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Cushion|Natural|GIA

1.03ct K SI2 Cushion Natural Diamond

EX • K/SI2 • GIA 5566002551

Certificate GIA 5566002551

Diamond specifications and retailer prices

From £714 GBP
As of November 5, 2026
Save £178 GBP (20%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £893 GBP at GemTrove · As of November 6, 2026
View at GemTrove

About this 1.03ct natural cushion diamond

This 1.03ct natural cushion sits in the classic one-carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5566002551. Listed at 4 retailers as of November 5, 2026, with prices from £714 to £893, a £178 spread on the same certified stone. GemTrove lists it at £893. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.03
Carat
K
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5566002551
Dimensions5.67 × 5.65 × 3.82 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Crystal, Feather
Top View
5.67 mm5.65 mm1.03 ctK / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 5566002551
Side View
Table 63.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 67.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: £893 GBP|Low: £714 GBP|High: £893 GBP|Avg: £787 GBP
GemTrove
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 3£714 GBP
Retailer 2£758 GBP
Retailer 4£761 GBP
GemTrove£893 GBP

41 data points across 4 retailers

4 retailers£714 GBP to £893 GBP

A
Cheapest Retailer
-
£714 GBP
A
Retailer 2
-
£758 GBP
View
A
Retailer 3
-
£761 GBP
View
Most Expensive
B+
GemTrove
GT-N-00959453-98 · Nov 6
£893 GBP
A$1,838 AUD
View
3 more retailers have this diamond
Prices start from £714 GBPSave up to £178 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.03ct Cushion
£714 GBP