Blue Sapphire 1.35 ct | Cushion | Cornflower Blue | Sri Lanka

SKU: SBS013

Elegant Cornflower Blue Sapphire (1.35 ct) from Sri Lanka, cut in a classic cushion with a refined, lively cornflower-style blue. A timeless centerpiece stone—ideal for an engagement ring, halo setting, or an elegant pendant.

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$1,114.00

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1 in stock

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Description

This 1.35 ct Cornflower Blue Sapphire from Sri Lanka combines a highly desirable color style with one of the most elegant and versatile shapes in fine jewelry: the cushion cut. Sri Lankan sapphires are famed for their bright, attractive blues, and this stone offers a beautifully balanced cornflower look with excellent wearability.

Cornflower-inspired blue with balanced elegance

The sapphire shows a refined blue that remains vivid and lively without appearing overly dark. This harmonious “cornflower” character is prized because it looks open and bright, yet still rich and luxurious in both daylight and indoor lighting.

Cushion cut — timeless charm, modern presence

With its softly rounded corners and elegant outline, the cushion shape blends classic romance with a clean, contemporary feel. It’s a perfect choice for:

  • solitaire rings

  • halo designs

  • vintage-inspired settings

  • pendants and signature everyday jewelry

Strong, wearable center stone

At 1.35 ct, this sapphire has excellent presence while staying practical for daily wear. It pairs beautifully with white gold or platinum for crisp contrast and an elevated look, and also looks stunning in yellow gold for a warmer, traditional style.

A timeless Sri Lankan cushion sapphire with refined cornflower-blue color—ready to become the centerpiece of an elegant jewelry design.

Specification

Overview

Stone(s)
Total weight1.35 ct / 1 pcs
Country of OriginSri Lanka
TreatmentTraditional Heat
Stone TypeType II
TransperencyTransparent
ClaritySI
Saturation / ToneIntense
ShadeCornflower
ColorBlue
Shape(s)Cushion
Cutting StyleFaceted
Cut CrownBrilliant Cut
Cut PavilionStep Cut
Dimensions 1 (L/W/H)6.05 x 5.95 x 4.20 mm
Gemstone Seletion
HTS-Code7103.91.0000
Refractive Indexnω = 1.768–1.772 & nε = 1.760–1.763
Birefringence0.008
Hardness (Mohs)9
Gravity3.98 – 4.06
Crystal SystemTrigonal
Chemical FormularAl2O3, Aluminium oxide
CertificateOn Request
Region / MineRatnapura

Processor

Stone(s)
Total weight1.35 ct / 1 pcs
Country of OriginSri Lanka
TreatmentTraditional Heat
Stone TypeType II
TransperencyTransparent
ClaritySI
Saturation / ToneIntense
ShadeCornflower
ColorBlue
Shape(s)Cushion
Cutting StyleFaceted
Cut CrownBrilliant Cut
Cut PavilionStep Cut
Dimensions 1 (L/W/H)6.05 x 5.95 x 4.20 mm
Gemstone Seletion
HTS-Code7103.91.0000
Refractive Indexnω = 1.768–1.772 & nε = 1.760–1.763
Birefringence0.008
Hardness (Mohs)9
Gravity3.98 – 4.06
Crystal SystemTrigonal
Chemical FormularAl2O3, Aluminium oxide
CertificateOn Request
Region / MineRatnapura

Display

Stone(s)
Total weight1.35 ct / 1 pcs
Country of OriginSri Lanka
TreatmentTraditional Heat
Stone TypeType II
TransperencyTransparent
ClaritySI
Saturation / ToneIntense
ShadeCornflower
ColorBlue
Shape(s)Cushion
Cutting StyleFaceted
Cut CrownBrilliant Cut
Cut PavilionStep Cut
Dimensions 1 (L/W/H)6.05 x 5.95 x 4.20 mm
Gemstone Seletion
HTS-Code7103.91.0000
Refractive Indexnω = 1.768–1.772 & nε = 1.760–1.763
Birefringence0.008
Hardness (Mohs)9
Gravity3.98 – 4.06
Crystal SystemTrigonal
Chemical FormularAl2O3, Aluminium oxide
CertificateOn Request
Region / MineRatnapura

RAM

Stone(s)
Total weight1.35 ct / 1 pcs
Country of OriginSri Lanka
TreatmentTraditional Heat
Stone TypeType II
TransperencyTransparent
ClaritySI
Saturation / ToneIntense
ShadeCornflower
ColorBlue
Shape(s)Cushion
Cutting StyleFaceted
Cut CrownBrilliant Cut
Cut PavilionStep Cut
Dimensions 1 (L/W/H)6.05 x 5.95 x 4.20 mm
Gemstone Seletion
HTS-Code7103.91.0000
Refractive Indexnω = 1.768–1.772 & nε = 1.760–1.763
Birefringence0.008
Hardness (Mohs)9
Gravity3.98 – 4.06
Crystal SystemTrigonal
Chemical FormularAl2O3, Aluminium oxide
CertificateOn Request
Region / MineRatnapura

Storage

Stone(s)
Total weight1.35 ct / 1 pcs
Country of OriginSri Lanka
TreatmentTraditional Heat
Stone TypeType II
TransperencyTransparent
ClaritySI
Saturation / ToneIntense
ShadeCornflower
ColorBlue
Shape(s)Cushion
Cutting StyleFaceted
Cut CrownBrilliant Cut
Cut PavilionStep Cut
Dimensions 1 (L/W/H)6.05 x 5.95 x 4.20 mm
Gemstone Seletion
HTS-Code7103.91.0000
Refractive Indexnω = 1.768–1.772 & nε = 1.760–1.763
Birefringence0.008
Hardness (Mohs)9
Gravity3.98 – 4.06
Crystal SystemTrigonal
Chemical FormularAl2O3, Aluminium oxide
CertificateOn Request
Region / MineRatnapura

Video Card

Stone(s)
Total weight1.35 ct / 1 pcs
Country of OriginSri Lanka
TreatmentTraditional Heat
Stone TypeType II
TransperencyTransparent
ClaritySI
Saturation / ToneIntense
ShadeCornflower
ColorBlue
Shape(s)Cushion
Cutting StyleFaceted
Cut CrownBrilliant Cut
Cut PavilionStep Cut
Dimensions 1 (L/W/H)6.05 x 5.95 x 4.20 mm
Gemstone Seletion
HTS-Code7103.91.0000
Refractive Indexnω = 1.768–1.772 & nε = 1.760–1.763
Birefringence0.008
Hardness (Mohs)9
Gravity3.98 – 4.06
Crystal SystemTrigonal
Chemical FormularAl2O3, Aluminium oxide
CertificateOn Request
Region / MineRatnapura

Connectivity

Stone(s)
Total weight1.35 ct / 1 pcs
Country of OriginSri Lanka
TreatmentTraditional Heat
Stone TypeType II
TransperencyTransparent
ClaritySI
Saturation / ToneIntense
ShadeCornflower
ColorBlue
Shape(s)Cushion
Cutting StyleFaceted
Cut CrownBrilliant Cut
Cut PavilionStep Cut
Dimensions 1 (L/W/H)6.05 x 5.95 x 4.20 mm
Gemstone Seletion
HTS-Code7103.91.0000
Refractive Indexnω = 1.768–1.772 & nε = 1.760–1.763
Birefringence0.008
Hardness (Mohs)9
Gravity3.98 – 4.06
Crystal SystemTrigonal
Chemical FormularAl2O3, Aluminium oxide
CertificateOn Request
Region / MineRatnapura

Features

Stone(s)
Total weight1.35 ct / 1 pcs
Country of OriginSri Lanka
TreatmentTraditional Heat
Stone TypeType II
TransperencyTransparent
ClaritySI
Saturation / ToneIntense
ShadeCornflower
ColorBlue
Shape(s)Cushion
Cutting StyleFaceted
Cut CrownBrilliant Cut
Cut PavilionStep Cut
Dimensions 1 (L/W/H)6.05 x 5.95 x 4.20 mm
Gemstone Seletion
HTS-Code7103.91.0000
Refractive Indexnω = 1.768–1.772 & nε = 1.760–1.763
Birefringence0.008
Hardness (Mohs)9
Gravity3.98 – 4.06
Crystal SystemTrigonal
Chemical FormularAl2O3, Aluminium oxide
CertificateOn Request
Region / MineRatnapura

Battery

Stone(s)
Total weight1.35 ct / 1 pcs
Country of OriginSri Lanka
TreatmentTraditional Heat
Stone TypeType II
TransperencyTransparent
ClaritySI
Saturation / ToneIntense
ShadeCornflower
ColorBlue
Shape(s)Cushion
Cutting StyleFaceted
Cut CrownBrilliant Cut
Cut PavilionStep Cut
Dimensions 1 (L/W/H)6.05 x 5.95 x 4.20 mm
Gemstone Seletion
HTS-Code7103.91.0000
Refractive Indexnω = 1.768–1.772 & nε = 1.760–1.763
Birefringence0.008
Hardness (Mohs)9
Gravity3.98 – 4.06
Crystal SystemTrigonal
Chemical FormularAl2O3, Aluminium oxide
CertificateOn Request
Region / MineRatnapura

General

Stone(s)
Total weight1.35 ct / 1 pcs
Country of OriginSri Lanka
TreatmentTraditional Heat
Stone TypeType II
TransperencyTransparent
ClaritySI
Saturation / ToneIntense
ShadeCornflower
ColorBlue
Shape(s)Cushion
Cutting StyleFaceted
Cut CrownBrilliant Cut
Cut PavilionStep Cut
Dimensions 1 (L/W/H)6.05 x 5.95 x 4.20 mm
Gemstone Seletion
HTS-Code7103.91.0000
Refractive Indexnω = 1.768–1.772 & nε = 1.760–1.763
Birefringence0.008
Hardness (Mohs)9
Gravity3.98 – 4.06
Crystal SystemTrigonal
Chemical FormularAl2O3, Aluminium oxide
CertificateOn Request
Region / MineRatnapura

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