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Cushion|Natural|GIA

1.51ct F SI2 Cushion Natural Diamond

EX • F/SI2 • GIA 5543528221

Certificate GIA 5543528221

Diamond specifications and retailer prices

From €3,412 EUR
HK$29,900 HKD
As of November 1, 2026
Save €4,497 EUR (57%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €7,909 EUR 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 5543528221. Listed at 13 retailers as of October 28, 2026, with prices from €3,412 to €7,909, a €4,497 spread on the same certified stone. Queensmith lists it at €7,909. 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
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5543528221
Dimensions7.60 × 5.85 × 4.07 mm
L/W Ratio1.30
Top View
7.60 mm5.85 mm1.51 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5543528221
Side View
Table 63.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 69.6%

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: €7,909 EUR|Low: €3,378 EUR|High: €7,966 EUR|Avg: €5,022 EUR|+1.7%
Queensmith
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 7€3,412 EUR
Retailer 2€3,650 EUR
Retailer 3€4,020 EUR
Retailer 9€4,161 EUR
Retailer 5€4,483 EUR
Retailer 8€4,509 EUR
Retailer 10€4,556 EUR
Retailer 11€4,644 EUR
Retailer 4€5,101 EUR
Retailer 6€7,181 EUR
Queensmith€7,909 EUR

32 data points across 11 retailers

13 retailers€3,412 EUR to €7,909 EUR

A
Cheapest Retailer
-
€3,412 EUR
HK$29,900 HKD
A
Retailer 2
-
€3,650 EUR
₹389,880 INR
View
A
Retailer 3
-
€4,020 EUR
SGD 6,093 SGD
View
A
Retailer 4
-
€4,161 EUR
$4,667 USD
View
Final sale: no returns
A
Retailer 5
-
€4,180 EUR
$4,688 USD
View
A
Retailer 6
-
€4,483 EUR
£3,959 GBP
View
A
Retailer 7
-
€4,509 EUR
$5,057 USD
View
A
Retailer 8
-
€4,556 EUR
$5,110 USD
View
A
Retailer 9
-
€4,644 EUR
$5,209 USD
View
B+
Retailer 10
-
€4,728 EUR
A$8,158 AUD
View
B+
Retailer 11
-
€5,101 EUR
View
B+
Retailer 12
-
€7,181 EUR
£6,342 GBP
View
Most Expensive
B
Queensmith
5543528221 · Oct 28
€7,909 EUR
£6,985 GBP
View
12 more retailers have this diamond
Prices start from €3,412 EURSave up to €4,497 EUR

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
€3,412 EUR