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Cushion|Natural|GIA

1.51ct I SI2 Cushion Natural Diamond

EX • I/SI2 • GIA 2567210753

Certificate GIA 2567210753

Diamond specifications and retailer prices

From $2,930 SGD
As of November 6, 2026
Save $8,760 SGD (75%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $11,689 SGD at William & Sons Jewelers · As of November 6, 2026
View at William & Sons Jewelers

About this 1.51ct natural cushion diamond

This 1.51ct natural cushion sits in the one-and-a-half to two carat band, graded I 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 2567210753. Listed at 17 retailers as of November 6, 2026, with prices from $2,930 to $11,689, a $8,760 spread on the same certified stone. William & Sons Jewelers lists it at $11,689. 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
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.5°
Pavilion angle34°
OriginNatural
Grading LabGIA
CertificateGIA 2567210753
Dimensions6.56 × 6.36 × 4.30 mm
L/W Ratio1.03
Girdle conditionFaceted
Culet sizeNone
Top View
6.56 mm6.36 mm1.51 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2567210753
Side View
Table 63.0%Crown 38.5°Girdle: THN-STKPavilion 34°Culet: NoneDepth 67.6%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: $4,509 SGD|Low: $2,930 SGD|High: $15,106 SGD|Avg: $4,813 SGD|+1.2%
Retailer 1
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
William & Sons Jewelers
November 6, 2026
Retailer 4$2,930 SGD
Retailer 2$3,117 SGD
Retailer 6$3,210 SGD
Retailer 10$3,230 SGD
Retailer 14$3,328 SGD
Retailer 15$3,441 SGD
Retailer 16$3,441 SGD
Retailer 5$4,020 SGD
Retailer 8$4,109 SGD
Retailer 3$4,242 SGD
Retailer 11$4,242 SGD
Retailer 12$4,383 SGD
Retailer 1$4,509 SGD
Retailer 9$4,797 SGD
Retailer 13$4,873 SGD
Retailer 7$6,935 SGD
William & Sons Jewelers$11,689 SGD

28 data points across 17 retailers

17 retailers$2,930 SGD to $11,689 SGD

A
Cheapest Retailer
-
$2,930 SGD
A
Retailer 2
-
$3,117 SGD
View
A
Retailer 3
-
$3,230 SGD
View
A
Retailer 4
-
$3,328 SGD
View
A
Retailer 5
-
$3,441 SGD
View
A
Retailer 6
-
$3,441 SGD
View
A
Retailer 7
-
$4,020 SGD
View
Retailer 8
-
$4,109 SGD
View
Price last confirmed 30 days ago
A
Retailer 9
-
$4,242 SGD
View
A
Retailer 10
-
$4,242 SGD
View
Retailer 11
-
$4,261 SGD
View
Price last confirmed 29 days ago
A
Retailer 12
-
$4,383 SGD
View
A
Retailer 13
-
$4,509 SGD
View
B+
Retailer 14
-
$4,797 SGD
View
A
Retailer 15
-
$4,873 SGD
View
Retailer 16
-
$6,935 SGD
View
Price last confirmed 30 days ago
Most Expensive
C
William & Sons Jewelers
cert_2567210753 · Nov 6
$11,689 SGD
$9,121 USD
View
Final sale: no returns
16 more retailers have this diamond
Prices start from $2,930 SGDSave up to $8,760 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
$2,930 SGD