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Cushion|Natural|GIA

1.51ct G SI1 Cushion Natural Diamond

EX • G/SI1 • GIA 2556337276

Certificate GIA 2556337276

Diamond specifications and retailer prices

From $5,160 SGD
$4,036 USD
As of October 31, 2026
Save $6,045 SGD (54%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $11,204 SGD at MOH London · As of October 29, 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 G 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 2556337276. Listed at 21 retailers as of October 29, 2026, with prices from $5,160 to $11,204, a $6,045 spread on the same certified stone. MOH London lists it at $11,204. 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
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2556337276
Dimensions6.70 × 6.64 × 4.37 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
6.70 mm6.64 mm1.51 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2556337276
Side View
Table 65.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 65.7%

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: Oct 31
Current: $11,204 SGD|Low: $5,155 SGD|High: $11,358 SGD|Avg: $7,056 SGD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 2, 2026
Retailer 3$5,160 SGD
Retailer 18$5,171 SGD
Retailer 17$5,527 SGD
Retailer 10$5,801 SGD
Retailer 7$5,854 SGD
Retailer 20$5,887 SGD
Retailer 15$5,892 SGD
Retailer 11$5,964 SGD
Retailer 6$6,185 SGD
Retailer 14$6,238 SGD
Retailer 19$6,546 SGD
Retailer 16$6,572 SGD
Retailer 5$6,709 SGD
Retailer 8$6,736 SGD
Retailer 12$7,057 SGD
Retailer 13$7,971 SGD
Retailer 4$8,601 SGD
Retailer 2$8,604 SGD
Retailer 9$10,884 SGD
MOH London$11,204 SGD

22 data points across 20 retailers

21 retailers$5,160 SGD to $11,204 SGD

A
Cheapest Retailer
-
$5,160 SGD
$4,036 USD
A
Retailer 2
-
$5,171 SGD
HK$31,600 HKD
View
A
Retailer 3
-
$5,527 SGD
$4,323 USD
View
A
Retailer 4
-
$5,801 SGD
$4,538 USD
View
A
Retailer 5
-
$5,854 SGD
$4,579 USD
View
A
Retailer 6
-
$5,887 SGD
€4,386 EUR
View
A
Retailer 7
-
$5,892 SGD
$4,609 USD
View
Final sale: no returns
A
Retailer 8
-
$5,964 SGD
$4,665 USD
View
A
Retailer 9
-
$6,185 SGD
$4,838 USD
View
A
Retailer 10
-
$6,238 SGD
$4,879 USD
View
A
Retailer 11
-
$6,546 SGD
£4,032 GBP
View
A
Retailer 12
-
$6,572 SGD
£4,048 GBP
View
A
Retailer 13
-
$6,709 SGD
$5,248 USD
View
A
Retailer 14
-
$6,736 SGD
$5,269 USD
View
B+
Retailer 15
-
$6,978 SGD
A$8,398 AUD
View
Retailer 16
-
$7,057 SGD
A$8,493 AUD
View
Price last confirmed 23 days ago
B+
Retailer 17
-
$7,971 SGD
€5,938 EUR
View
B+
Retailer 18
-
$8,601 SGD
ZAR 108,691 ZAR
View
B+
Retailer 19
-
$8,604 SGD
$6,730 USD
View
Retailer 20
-
$10,884 SGD
$8,513 USD
View
Price last confirmed 9 days ago
Most Expensive
B
MOH London
AD4A47712 · Oct 29
$11,204 SGD
£6,901 GBP
View
20 more retailers have this diamond
Prices start from $5,160 SGDSave up to $6,045 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
$5,160 SGD