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Cushion|Natural|GIA

0.90ct H SI1 Cushion Natural Diamond

EX • H/SI1 • GIA 6555931943

Certificate GIA 6555931943

Diamond specifications and retailer prices

From £977 GBP
A$1,998 AUD
As of October 29, 2026
4 retailers carry this diamond
Most expensive: £977 GBP at GemTrove
View at GemTrove

About this 0.9ct natural cushion diamond

This 0.9ct natural cushion sits in the just-under-one-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6555931943. Listed at 4 retailers as of October 29, 2026. 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

0.90
Carat
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6555931943
Dimensions5.48 × 5.44 × 3.58 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal
Top View
5.48 mm5.44 mm0.90 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6555931943
Side View
Table 65.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 65.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: £977 GBP|Low: £723 GBP|High: £977 GBP|Avg: £804 GBP
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 13, 2026
Retailer 5£723 GBP
Retailer 2£730 GBP
Retailer 4£759 GBP
Retailer 3£824 GBP
GemTrove£977 GBP

22 data points across 5 retailers

4 retailers

A
Retailer 1
-
£723 GBP
$961 USD
Price last confirmed 23 days ago
A
Retailer 2
-
£730 GBP
View
Price last confirmed 16 days ago
A
Retailer 3
-
£759 GBP
SGD 1,362 SGD
View
Price last confirmed 17 days ago
Most Expensive
B+
GemTrove
GT-N-00963266-98 · Oct 29
£977 GBP
A$1,998 AUD
View
3 more retailers have this diamond

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
0.90ct Cushion
£977 GBP