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Cushion|Natural|GIA

1.51ct D SI1 Cushion Natural Diamond

EX • D/SI1 • GIA 2554124696

Certificate GIA 2554124696

Diamond specifications and retailer prices

From $4,084 SGD
As of November 6, 2026
Save $1,387 SGD (25%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $5,471 SGD at GemTrove · As of November 6, 2026
View at GemTrove

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 2554124696. Listed at 5 retailers as of November 6, 2026, with prices from $4,084 to $5,471, a $1,387 spread on the same certified stone. GemTrove lists it at $5,471. 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
OriginNatural
Grading LabGIA
CertificateGIA 2554124696
Dimensions6.27 × 6.24 × 4.32 mm
L/W Ratio1.00
Top View
6.27 mm6.24 mm1.51 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 2554124696
Side View
Table 61.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 69.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: $4,084 SGD|Low: $4,084 SGD|High: $5,123 SGD|Avg: $4,550 SGD|-1.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 1$4,084 SGD
Retailer 3$4,342 SGD
Retailer 5$4,492 SGD
Retailer 2$4,628 SGD
Retailer 4$4,682 SGD

45 data points across 5 retailers

5 retailers$4,084 SGD to $5,471 SGD

A
Cheapest Retailer
-
$4,084 SGD
Retailer 2
-
$4,342 SGD
View
Price last confirmed 21 days ago
Retailer 3
-
$4,628 SGD
View
Price last confirmed 20 days ago
Retailer 4
-
$4,682 SGD
View
Price last confirmed 21 days ago
Most Expensive
A
GemTrove
GT-N-00967759-98 · Nov 6
$5,471 SGD
A$6,568 AUD
View
4 more retailers have this diamond
Prices start from $4,084 SGDSave up to $1,387 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
$4,084 SGD