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Cushion|Natural|GIA

0.90ct H SI2 Cushion Natural Diamond

EX • H/SI2 • GIA 2151971168

Certificate GIA 2151971168

Diamond specifications and retailer prices

From £1,432 GBP
$1,919 USD
As of October 30, 2026
Save £1,649 GBP (54%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £3,081 GBP at MOH London · As of October 29, 2026
View at MOH London

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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2151971168. Listed at 15 retailers as of October 29, 2026, with prices from £1,432 to £3,081, a £1,649 spread on the same certified stone. MOH London lists it at £3,081. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2151971168
Dimensions5.57 × 5.22 × 3.55 mm
L/W Ratio1.07
Culet sizeNone
Top View
5.57 mm5.22 mm0.90 ctH / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 2151971168
Side View
Table 66.0%CrownGirdle: THN-ETKPavilionCulet: NoneDepth 67.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £3,081 GBP|Low: £1,341 GBP|High: £3,102 GBP|Avg: £1,924 GBP|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 6£1,384 GBP
Retailer 9£1,432 GBP
Retailer 8£1,463 GBP
Retailer 11£1,552 GBP
Retailer 7£1,585 GBP
Retailer 10£1,737 GBP
Retailer 12£1,876 GBP
Retailer 4£1,896 GBP
Retailer 2£1,920 GBP
Retailer 5£2,181 GBP
Retailer 3£2,516 GBP
MOH London£3,081 GBP

34 data points across 12 retailers

15 retailers£1,432 GBP to £3,081 GBP

B+
Cheapest Retailer
-
£1,432 GBP
$1,919 USD
B
Retailer 2
-
£1,463 GBP
$1,960 USD
View
Final sale: no returns
B+
Retailer 3
-
£1,529 GBP
$2,049 USD
View
B+
Retailer 4
-
£1,552 GBP
$2,080 USD
View
Retailer 5
-
£1,585 GBP
$2,124 USD
View
Price last confirmed 16 days ago
B
Retailer 6
-
£1,729 GBP
CA$3,217 CAD
View
B
Retailer 7
-
£1,737 GBP
$2,327 USD
View
B
Retailer 8
-
£1,836 GBP
$2,460 USD
View
B
Retailer 9
-
£1,836 GBP
$2,460 USD
View
B
Retailer 10
-
£1,876 GBP
A$3,868 AUD
View
B
Retailer 11
-
£1,896 GBP
$2,540 USD
View
B
Retailer 12
-
£1,920 GBP
View
B
Retailer 13
-
£2,001 GBP
$2,681 USD
View
B
Retailer 14
-
£2,181 GBP
€2,783 EUR
View
Most Expensive
B
MOH London
E49B5FF22 · Oct 29
£3,081 GBP
View
14 more retailers have this diamond
Prices start from £1,432 GBPSave up to £1,649 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.

B+
0.90ct Cushion
£1,432 GBP