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Cushion|Natural|GIA

1.51ct F SI2 Cushion Natural Diamond

EX • F/SI2 • GIA 1565218699

Certificate GIA 1565218699

Diamond specifications and retailer prices

From $6,824 SGD
₹508,164 INR
As of November 2, 2026
Save $2,525 SGD (27%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $9,349 SGD at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1565218699. Listed at 11 retailers as of October 30, 2026, with prices from $6,824 to $9,349, a $2,525 spread on the same certified stone. Reve Diamonds lists it at $9,349. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1565218699
Dimensions8.17 × 5.85 × 3.83 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Needle
Top View
8.17 mm5.85 mm1.51 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1565218699
Side View
Table 66.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 65.4%

Caratlytics Score

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

Price History

Last verified: Nov 2
Current: $8,657 SGD|Low: $6,824 SGD|High: $9,349 SGD|Avg: $8,111 SGD|-1.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Reve Diamonds
November 3, 2026
Retailer 4$6,824 SGD
Retailer 2$7,288 SGD
Retailer 7$7,407 SGD
Retailer 3$7,638 SGD
Retailer 8$7,873 SGD
Retailer 6$8,086 SGD
Retailer 10$8,439 SGD
Retailer 9$8,641 SGD
Retailer 1$8,657 SGD
Retailer 5$9,315 SGD
Reve Diamonds$9,349 SGD

5 data points across 11 retailers

11 retailers$6,824 SGD to $9,349 SGD

A
Cheapest Retailer
-
$6,824 SGD
₹508,164 INR
B+
Retailer 2
-
$7,288 SGD
$5,699 USD
View
Final sale: no returns
B+
Retailer 3
-
$7,407 SGD
A$8,910 AUD
View
B+
Retailer 4
-
$7,638 SGD
$5,972 USD
View
B+
Retailer 5
-
$7,873 SGD
$6,156 USD
View
B+
Retailer 6
-
$8,086 SGD
$6,323 USD
View
B+
Retailer 7
-
$8,439 SGD
$6,599 USD
View
B+
Retailer 8
-
$8,641 SGD
£5,320 GBP
View
B+
Retailer 9
-
$8,657 SGD
£5,330 GBP
View
B
Retailer 10
-
$9,315 SGD
€6,937 EUR
View
Most Expensive
B
Reve Diamonds
382114F27 · Oct 30
$9,349 SGD
$7,310 USD
View
10 more retailers have this diamond
Prices start from $6,824 SGDSave up to $2,525 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
$6,824 SGD