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Cushion|Natural|GIA

1.51ct G SI1 Cushion Natural Diamond

EX • G/SI1 • GIA 6555086321

Certificate GIA 6555086321

Diamond specifications and retailer prices

From $4,169 SGD
As of November 4, 2026
Save $3,633 SGD (47%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $7,802 SGD at Wholesale Diamonds Direct · As of November 6, 2026
View at Wholesale Diamonds Direct

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 6555086321. Listed at 15 retailers as of November 4, 2026, with prices from $4,169 to $7,802, a $3,633 spread on the same certified stone. Wholesale Diamonds Direct lists it at $7,802. 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 6555086321
Dimensions6.90 × 6.15 × 4.22 mm
L/W Ratio1.12
Top View
6.90 mm6.15 mm1.51 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6555086321
Side View
Table 62.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 68.7%

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 4
Current: $6,508 SGD|Low: $4,169 SGD|High: $8,252 SGD|Avg: $5,522 SGD|-7.8%
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
Wholesale Diamonds Direct
November 6, 2026
Retailer 8$4,169 SGD
Retailer 10$4,238 SGD
Retailer 6$4,270 SGD
Retailer 13$4,379 SGD
Retailer 9$4,455 SGD
Retailer 5$4,552 SGD
Retailer 7$4,818 SGD
Retailer 11$5,229 SGD
Retailer 2$5,315 SGD
Retailer 3$5,387 SGD
Retailer 1$6,508 SGD
Retailer 12$7,031 SGD
Retailer 4$7,473 SGD
Wholesale Diamonds Direct$7,802 SGD

29 data points across 14 retailers

15 retailers$4,169 SGD to $7,802 SGD

A
Cheapest Retailer
-
$4,169 SGD
A
Retailer 2
-
$4,238 SGD
View
A
Retailer 3
-
$4,270 SGD
View
A
Retailer 4
-
$4,379 SGD
View
A
Retailer 5
-
$4,455 SGD
View
A
Retailer 6
-
$4,552 SGD
View
A
Retailer 7
-
$4,818 SGD
View
A
Retailer 8
-
$5,229 SGD
View
A
Retailer 9
-
$5,315 SGD
View
A
Retailer 10
-
$5,387 SGD
View
A
Retailer 11
-
$5,431 SGD
View
A
Retailer 12
-
$6,508 SGD
View
A
Retailer 13
-
$7,031 SGD
View
B+
Retailer 14
-
$7,473 SGD
View
Most Expensive
B+
Wholesale Diamonds Direct
444917161 · Nov 6
$7,802 SGD
$6,087 USD
View
14 more retailers have this diamond
Prices start from $4,169 SGDSave up to $3,633 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
$4,169 SGD