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Cushion|Natural|GIA

1.51ct D SI1 Cushion Natural Diamond

EX • D/SI1 • GIA 2231926496

Certificate GIA 2231926496

Diamond specifications and retailer prices

From $7,234 SGD
$5,659 USD
As of November 2, 2026
Save $6,619 SGD (48%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $13,854 SGD at MOH London · As of November 1, 2026
View at MOH London

About this 1.51ct natural cushion diamond

This 1.51ct natural cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2231926496. Listed at 14 retailers as of November 1, 2026, with prices from $7,234 to $13,854, a $6,619 spread on the same certified stone. MOH London lists it at $13,854. 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

1.51
Carat
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Pavilion angle35.83°
OriginNatural
Grading LabGIA
CertificateGIA 2231926496
Dimensions7.45 × 5.87 × 4.09 mm
L/W Ratio1.27
Key to symbols
Twinning Wisp, Crystal, Feather
Top View
7.45 mm5.87 mm1.51 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 2231926496
Side View
Table 62.0%CrownGirdle: THK-VTKPavilion 35.83°Culet: NoneDepth 69.8%

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 2
Current: $13,854 SGD|Low: $7,210 SGD|High: $14,020 SGD|Avg: $9,738 SGD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 9$7,234 SGD
Retailer 5$8,312 SGD
Retailer 8$8,312 SGD
Retailer 10$8,335 SGD
Retailer 3$9,372 SGD
Retailer 7$9,500 SGD
Retailer 6$9,584 SGD
Retailer 2$10,859 SGD
Retailer 4$12,213 SGD
MOH London$13,854 SGD

44 data points across 10 retailers

14 retailers$7,234 SGD to $13,854 SGD

A
Cheapest Retailer
-
$7,234 SGD
$5,659 USD
B+
Retailer 2
-
$7,853 SGD
$6,143 USD
View
B+
Retailer 3
-
$7,866 SGD
$6,153 USD
View
B+
Retailer 4
-
$7,963 SGD
$6,229 USD
View
B+
Retailer 5
-
$8,312 SGD
$6,502 USD
View
Final sale: no returns
B+
Retailer 6
-
$8,312 SGD
$6,502 USD
View
B+
Retailer 7
-
$8,335 SGD
$6,520 USD
View
B+
Retailer 8
-
$9,372 SGD
£5,772 GBP
View
B+
Retailer 9
-
$9,500 SGD
$7,431 USD
View
Retailer 10
-
$9,584 SGD
A$11,533 AUD
View
Price last confirmed 11 days ago
B+
Retailer 11
-
$10,859 SGD
€8,090 EUR
View
Retailer 12
-
$10,952 SGD
$8,567 USD
View
Price last confirmed 10 days ago
B
Retailer 13
-
$12,213 SGD
ZAR 154,335 ZAR
View
Most Expensive
B
MOH London
75DE28E9A · Nov 1
$13,854 SGD
£8,533 GBP
View
13 more retailers have this diamond
Prices start from $7,234 SGDSave up to $6,619 SGD

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
1.51ct Cushion
$7,234 SGD