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Cushion|Natural|GIA

1.31ct F SI2 Cushion Natural Diamond

EX • F/SI2 • GIA 2544580359

Certificate GIA 2544580359

Diamond specifications and retailer prices

From $3,731 SGD
HK$22,800 HKD
As of November 1, 2026
Save $5,215 SGD (58%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $8,946 SGD at Queensmith · As of October 28, 2026
View at Queensmith

About this 1.31ct natural cushion diamond

This 1.31ct natural cushion sits in the one-and-a-quarter to one-and-a-half 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 2544580359. Listed at 16 retailers as of October 28, 2026, with prices from $3,731 to $8,946, a $5,215 spread on the same certified stone. Queensmith lists it at $8,946. 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

1.31
Carat
F
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2544580359
Dimensions7.48 × 5.56 × 3.76 mm
L/W Ratio1.35
Top View
7.48 mm5.56 mm1.31 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2544580359
Side View
Table 66.0%CrownGirdle: THN-VTKPavilionCulet: NoneDepth 67.7%

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 1
Current: $8,946 SGD|Low: $3,698 SGD|High: $9,116 SGD|Avg: $5,342 SGD|+0.6%
Queensmith
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
November 2, 2026
Retailer 11$3,731 SGD
Retailer 2$3,890 SGD
Retailer 13$4,410 SGD
Retailer 5$4,508 SGD
Retailer 3$4,693 SGD
Retailer 6$4,698 SGD
Retailer 7$4,829 SGD
Retailer 4$4,885 SGD
Retailer 9$4,996 SGD
Retailer 12$5,071 SGD
Retailer 14$5,218 SGD
Retailer 8$5,717 SGD
Retailer 10$8,168 SGD
Queensmith$8,946 SGD

23 data points across 14 retailers

16 retailers$3,731 SGD to $8,946 SGD

A
Cheapest Retailer
-
$3,731 SGD
HK$22,800 HKD
A
Retailer 2
-
$3,890 SGD
₹289,824 INR
View
A
Retailer 3
-
$4,410 SGD
$3,450 USD
View
A
Retailer 4
-
$4,508 SGD
$3,526 USD
View
Final sale: no returns
Retailer 5
-
$4,693 SGD
View
Price last confirmed 7 days ago
A
Retailer 6
-
$4,698 SGD
View
A
Retailer 7
-
$4,829 SGD
£2,974 GBP
View
B+
Retailer 8
-
$4,885 SGD
$3,821 USD
View
B+
Retailer 9
-
$4,927 SGD
$3,854 USD
View
B+
Retailer 10
-
$4,996 SGD
£3,077 GBP
View
B+
Retailer 11
-
$5,071 SGD
$3,967 USD
View
B+
Retailer 12
-
$5,218 SGD
$4,082 USD
View
B+
Retailer 13
-
$5,400 SGD
A$6,498 AUD
View
B+
Retailer 14
-
$5,717 SGD
€4,259 EUR
View
B
Retailer 15
-
$8,168 SGD
£5,031 GBP
View
Most Expensive
B
Queensmith
2544580359 · Oct 28
$8,946 SGD
£5,510 GBP
View
15 more retailers have this diamond
Prices start from $3,731 SGDSave up to $5,215 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
1.31ct Cushion
$3,731 SGD