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Cushion|Natural|GIA

0.91ct H SI2 Cushion Natural Diamond

EX • H/SI2 • GIA 7318248670

Certificate GIA 7318248670

Diamond specifications and retailer prices

From £525 GBP
HK$5,500 HKD
As of November 1, 2026
Save £1,303 GBP (71%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £1,828 GBP at Moon Ocean · As of November 1, 2026
View at Moon Ocean

About this 0.91ct natural cushion diamond

This 0.91ct natural cushion sits in the just-under-one-carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7318248670. Listed at 10 retailers as of November 1, 2026, with prices from £525 to £1,828, a £1,303 spread on the same certified stone. Moon Ocean lists it at £1,828. 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

0.91
Carat
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 7318248670
Dimensions5.41 × 4.88 × 3.69 mm
L/W Ratio1.11
Top View
5.41 mm4.88 mm0.91 ctH / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
CertificateGIA 7318248670
Side View
Table 64.0%CrownGirdle: ThickPavilionCulet: NoneDepth 75.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £1,828 GBP|Low: £525 GBP|High: £1,853 GBP|Avg: £992 GBP|-1.0%
Moon Ocean
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 5£525 GBP
Retailer 7£706 GBP
Retailer 8£713 GBP
Retailer 6£732 GBP
Retailer 2£827 GBP
Retailer 9£866 GBP
Retailer 3£994 GBP
Retailer 4£1,300 GBP
Moon Ocean£1,828 GBP

43 data points across 9 retailers

10 retailers£525 GBP to £1,828 GBP

A
Cheapest Retailer
-
£525 GBP
HK$5,500 HKD
Retailer 2
-
£670 GBP
$898 USD
View
Price last confirmed 53 days ago
B+
Retailer 3
-
£706 GBP
$946 USD
View
B+
Retailer 4
-
£713 GBP
$956 USD
View
B+
Retailer 5
-
£732 GBP
SGD 1,325 SGD
View
B+
Retailer 6
-
£827 GBP
View
B+
Retailer 7
-
£921 GBP
A$1,898 AUD
View
B+
Retailer 8
-
£994 GBP
€1,269 EUR
View
B+
Retailer 9
-
£1,300 GBP
View
Most Expensive
B
Moon Ocean
NVN-DFCF656F4-670 · Nov 1
£1,828 GBP
View
9 more retailers have this diamond
Prices start from £525 GBPSave up to £1,303 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
0.91ct Cushion
£525 GBP