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Cushion|Natural|GIA

1.51ct F SI2 Cushion Natural Diamond

EX • F/SI2 • GIA 7548774120

Certificate GIA 7548774120

Diamond specifications and retailer prices

From $4,829 SGD
HK$29,500 HKD
As of November 1, 2026
Save $6,451 SGD (57%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $11,280 SGD at Queensmith · As of October 28, 2026
View at Queensmith

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 7548774120. Listed at 15 retailers as of October 28, 2026, with prices from $4,829 to $11,280, a $6,451 spread on the same certified stone. Queensmith lists it at $11,280. 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
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7548774120
Dimensions7.90 × 5.89 × 3.99 mm
L/W Ratio1.34
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cavity, Needle
Top View
7.90 mm5.89 mm1.51 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7548774120
Side View
Table 62.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 67.8%

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 1
Current: $11,280 SGD|Low: $4,796 SGD|High: $11,353 SGD|Avg: $6,785 SGD|+2.2%
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
November 3, 2026
Retailer 10$4,829 SGD
Retailer 6$5,169 SGD
Retailer 5$5,692 SGD
Retailer 3$5,892 SGD
Retailer 7$6,014 SGD
Retailer 12$6,146 SGD
Retailer 2$6,347 SGD
Retailer 11$6,383 SGD
Retailer 4$6,577 SGD
Retailer 13$6,740 SGD
Retailer 8$7,222 SGD
Retailer 9$10,166 SGD
Queensmith$11,280 SGD

26 data points across 13 retailers

15 retailers$4,829 SGD to $11,280 SGD

A
Cheapest Retailer
-
$4,829 SGD
HK$29,500 HKD
A
Retailer 2
-
$5,169 SGD
₹384,944 INR
View
A
Retailer 3
-
$5,692 SGD
View
A
Retailer 4
-
$5,892 SGD
$4,607 USD
View
Final sale: no returns
A
Retailer 5
-
$5,917 SGD
$4,627 USD
View
A
Retailer 6
-
$6,014 SGD
£3,703 GBP
View
A
Retailer 7
-
$6,146 SGD
View
A
Retailer 8
-
$6,347 SGD
£3,908 GBP
View
A
Retailer 9
-
$6,383 SGD
$4,991 USD
View
A
Retailer 10
-
$6,577 SGD
$5,143 USD
View
A
Retailer 11
-
$6,624 SGD
A$7,968 AUD
View
B+
Retailer 12
-
$6,740 SGD
$5,270 USD
View
B+
Retailer 13
-
$7,222 SGD
€5,378 EUR
View
B+
Retailer 14
-
$10,166 SGD
£6,259 GBP
View
Most Expensive
B
Queensmith
7548774120 · Oct 28
$11,280 SGD
£6,945 GBP
View
14 more retailers have this diamond
Prices start from $4,829 SGDSave up to $6,451 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
$4,829 SGD