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Cushion|Natural|GIA

1.51ct F SI1 Cushion Natural Diamond

EX • F/SI1 • GIA 2245046175

Certificate GIA 2245046175

Diamond specifications and retailer prices

From $6,422 SGD
As of November 6, 2026
Save $6,989 SGD (52%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $13,411 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 F 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 2245046175. Listed at 18 retailers as of November 6, 2026, with prices from $6,422 to $13,411, a $6,989 spread on the same certified stone. Wholesale Diamonds Direct lists it at $13,411. 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
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2245046175
Dimensions7.78 × 5.98 × 4.10 mm
L/W Ratio1.30
Girdle conditionFaceted
Top View
7.78 mm5.98 mm1.51 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2245046175
Side View
Table 67.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 68.6%

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: $7,970 SGD|Low: $6,346 SGD|High: $13,564 SGD|Avg: $8,749 SGD|-3.3%
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
Wholesale Diamonds Direct
November 7, 2026
Retailer 8$6,422 SGD
Retailer 4$6,463 SGD
Retailer 14$6,896 SGD
Retailer 9$7,233 SGD
Retailer 13$7,237 SGD
Retailer 7$7,277 SGD
Retailer 15$7,344 SGD
Retailer 16$7,590 SGD
Retailer 2$7,600 SGD
Retailer 6$7,623 SGD
Retailer 1$7,970 SGD
Retailer 3$8,346 SGD
Retailer 10$9,457 SGD
Retailer 5$9,996 SGD
Retailer 11$10,619 SGD
Retailer 12$12,789 SGD
Wholesale Diamonds Direct$13,411 SGD

25 data points across 17 retailers

18 retailers$6,422 SGD to $13,411 SGD

A
Cheapest Retailer
-
$6,422 SGD
A
Retailer 2
-
$6,463 SGD
View
A
Retailer 3
-
$6,896 SGD
View
A
Retailer 4
-
$7,233 SGD
View
A
Retailer 5
-
$7,237 SGD
View
B+
Retailer 6
-
$7,277 SGD
View
Final sale: no returns
A
Retailer 7
-
$7,344 SGD
View
B+
Retailer 8
-
$7,590 SGD
View
B+
Retailer 9
-
$7,600 SGD
View
B+
Retailer 10
-
$7,623 SGD
View
B+
Retailer 11
-
$7,970 SGD
View
B+
Retailer 12
-
$8,346 SGD
View
Retailer 13
-
$8,901 SGD
View
Price last confirmed 34 days ago
B+
Retailer 14
-
$9,457 SGD
View
B+
Retailer 15
-
$9,996 SGD
View
B+
Retailer 16
-
$10,619 SGD
View
B
Retailer 17
-
$12,789 SGD
View
Most Expensive
B
Wholesale Diamonds Direct
625970456 · Nov 6
$13,411 SGD
$10,464 USD
View
17 more retailers have this diamond
Prices start from $6,422 SGDSave up to $6,989 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
$6,422 SGD