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Cushion|Natural|GIA

1.37ct J SI1 Cushion Natural Diamond

EX • J/SI1 • GIA 5171411513

Certificate GIA 5171411513

Diamond specifications and retailer prices

From $8,365 SGD
$6,541 USD
As of October 31, 2026
2 retailers carry this diamond
Most expensive: $10,477 SGD at 77 Diamonds · As of November 2, 2026
View at 77 Diamonds

About this 1.37ct natural cushion diamond

This 1.37ct natural cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded J 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 5171411513. Listed at 2 retailers as of October 31, 2026. 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

1.37
Carat
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishGood
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5171411513
Dimensions6.67 × 6.22 × 4.25 mm
L/W Ratio1.07
Top View
6.67 mm6.22 mm1.37 ctJ / SI1
OriginNatural
CutExcellent
PolishGood
SymmetryGood
FluorescenceNone
CertificateGIA 5171411513
Side View
Table 57.0%CrownGirdlePavilionCuletDepth 68.3%

Caratlytics Score

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C
Average
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Price History

Last verified: Oct 31
Current: $10,477 SGD|Low: $10,289 SGD|High: $10,545 SGD|Avg: $10,456 SGD|+1.8%
November 2, 2026
77 Diamonds$10,477 SGD

32 data points across 1 retailer

2 retailers

C
Cheapest Retailer
-
$8,365 SGD
$6,541 USD
Most Expensive
77 Diamonds
CUSZSTTEWWNY · Nov 2
$10,477 SGD
£6,451 GBP
View
Price under review
1 more retailer has this diamond
Prices start from $8,365 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.

C
1.37ct Cushion
$8,365 SGD