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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 $3,776 USD
HK$29,500 HKD
As of November 1, 2026
Save $5,044 USD (57%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $8,820 USD 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 $3,776 to $8,820, a $5,044 spread on the same certified stone. Queensmith lists it at $8,820. 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
Color
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $8,820 USD|Low: $3,750 USD|High: $8,877 USD|Avg: $5,305 USD|+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$3,776 USD
Retailer 6$4,042 USD
Retailer 5$4,450 USD
Retailer 3$4,607 USD
Retailer 7$4,703 USD
Retailer 12$4,806 USD
Retailer 2$4,963 USD
Retailer 11$4,991 USD
Retailer 4$5,143 USD
Retailer 13$5,270 USD
Retailer 8$5,647 USD
Retailer 9$7,949 USD
Queensmith$8,820 USD

26 data points across 13 retailers

15 retailers$3,776 USD to $8,820 USD

A
Cheapest Retailer
-
$3,776 USD
HK$29,500 HKD
A
Retailer 2
-
$4,042 USD
₹384,944 INR
View
A
Retailer 3
-
$4,450 USD
SGD 6,014 SGD
View
A
Retailer 4
-
$4,607 USD
View
Final sale: no returns
A
Retailer 5
-
$4,627 USD
View
A
Retailer 6
-
$4,703 USD
£3,703 GBP
View
A
Retailer 7
-
$4,806 USD
SGD 6,494 SGD
View
A
Retailer 8
-
$4,963 USD
£3,908 GBP
View
A
Retailer 9
-
$4,991 USD
View
A
Retailer 10
-
$5,143 USD
View
A
Retailer 11
-
$5,179 USD
A$7,968 AUD
View
B+
Retailer 12
-
$5,270 USD
View
B+
Retailer 13
-
$5,647 USD
€5,378 EUR
View
B+
Retailer 14
-
$7,949 USD
£6,259 GBP
View
Most Expensive
B
Queensmith
7548774120 · Oct 28
$8,820 USD
£6,945 GBP
View
14 more retailers have this diamond
Prices start from $3,776 USDSave up to $5,044 USD

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
$3,776 USD