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Cushion|Natural|GIA

1.51ct I SI2 Cushion Natural Diamond

EX • I/SI2 • GIA 2567210753

Certificate GIA 2567210753

Diamond specifications and retailer prices

From €2,046 EUR
$2,286 USD
As of October 30, 2026
Save €6,118 EUR (75%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €8,164 EUR at William & Sons Jewelers · As of October 31, 2026
View at William & Sons Jewelers

About this 1.51ct natural cushion diamond

This 1.51ct natural cushion sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2567210753. Listed at 17 retailers as of October 30, 2026, with prices from €2,046 to €8,164, a €6,118 spread on the same certified stone. William & Sons Jewelers lists it at €8,164. 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
I
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.5°
Pavilion angle34°
OriginNatural
Grading LabGIA
CertificateGIA 2567210753
Dimensions6.56 × 6.36 × 4.30 mm
L/W Ratio1.03
Girdle conditionFaceted
Culet sizeNone
Top View
6.56 mm6.36 mm1.51 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2567210753
Side View
Table 63.0%Crown 38.5°Girdle: THN-STKPavilion 34°Culet: NoneDepth 67.6%

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: Oct 30
Current: €3,403 EUR|Low: €2,046 EUR|High: €10,550 EUR|Avg: €3,358 EUR
Retailer 1
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
Retailer 15
Retailer 16
William & Sons Jewelers
November 1, 2026
Retailer 15€2,046 EUR
Retailer 12€2,177 EUR
Retailer 6€2,243 EUR
Retailer 4€2,265 EUR
Retailer 9€2,325 EUR
Retailer 11€2,403 EUR
Retailer 10€2,403 EUR
Retailer 5€2,808 EUR
Retailer 8€2,870 EUR
Retailer 14€2,963 EUR
Retailer 16€3,061 EUR
Retailer 13€3,148 EUR
Retailer 2€3,160 EUR
Retailer 3€3,381 EUR
Retailer 1€3,403 EUR
Retailer 7€4,844 EUR
William & Sons Jewelers€8,164 EUR

26 data points across 17 retailers

17 retailers€2,046 EUR to €8,164 EUR

A
Cheapest Retailer
-
€2,046 EUR
$2,286 USD
A
Retailer 2
-
€2,177 EUR
HK$19,000 HKD
View
A
Retailer 3
-
€2,265 EUR
$2,530 USD
View
A
Retailer 4
-
€2,325 EUR
$2,597 USD
View
A
Retailer 5
-
€2,403 EUR
$2,685 USD
View
A
Retailer 6
-
€2,403 EUR
A$4,131 AUD
View
A
Retailer 7
-
€2,808 EUR
$3,137 USD
View
Retailer 8
-
€2,870 EUR
$3,206 USD
View
Price last confirmed 24 days ago
A
Retailer 9
-
€2,963 EUR
$3,310 USD
View
Retailer 10
-
€2,977 EUR
SGD 4,494 SGD
View
Price last confirmed 23 days ago
A
Retailer 11
-
€3,061 EUR
$3,420 USD
View
A
Retailer 12
-
€3,148 EUR
View
A
Retailer 13
-
€3,160 EUR
$3,530 USD
View
B+
Retailer 14
-
€3,381 EUR
£2,975 GBP
View
A
Retailer 15
-
€3,403 EUR
$3,802 USD
View
Retailer 16
-
€4,844 EUR
£4,261 GBP
View
Price last confirmed 24 days ago
Most Expensive
C
William & Sons Jewelers
cert_2567210753 · Oct 31
€8,164 EUR
$9,121 USD
View
Final sale: no returns
16 more retailers have this diamond
Prices start from €2,046 EURSave up to €6,118 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
€2,046 EUR