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Cushion|Natural|GIA

1.51ct I SI1 Cushion Natural Diamond

EX • I/SI1 • GIA 6542714039

Certificate GIA 6542714039

Diamond specifications and retailer prices

From €3,024 EUR
HK$26,500 HKD
As of November 2, 2026
Save €3,524 EUR (54%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €6,548 EUR at MOH London · As of November 2, 2026
View at MOH London

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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6542714039. Listed at 19 retailers as of November 2, 2026, with prices from €3,024 to €6,548, a €3,524 spread on the same certified stone. MOH London lists it at €6,548. 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
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle30.8°
OriginNatural
Grading LabGIA
CertificateGIA 6542714039
Dimensions7.36 × 5.88 × 4.04 mm
L/W Ratio1.25
Top View
7.36 mm5.88 mm1.51 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6542714039
Side View
Table 64.0%CrownGirdle: STK-THKPavilion 30.8°Culet: NoneDepth 68.8%

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 2
Current: €6,548 EUR|Low: €2,979 EUR|High: €6,849 EUR|Avg: €4,167 EUR|-4.4%
MOH London
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
Retailer 17
Retailer 18
November 2, 2026
Retailer 13€3,024 EUR
Retailer 12€3,337 EUR
Retailer 2€3,385 EUR
Retailer 7€3,504 EUR
Retailer 3€3,632 EUR
Retailer 11€3,648 EUR
Retailer 17€3,795 EUR
Retailer 10€3,798 EUR
Retailer 18€3,859 EUR
Retailer 14€3,901 EUR
Retailer 4€3,963 EUR
Retailer 16€4,021 EUR
Retailer 6€4,025 EUR
Retailer 8€4,070 EUR
Retailer 15€4,652 EUR
Retailer 5€5,160 EUR
Retailer 9€6,510 EUR
MOH London€6,548 EUR

19 data points across 18 retailers

19 retailers€3,024 EUR to €6,548 EUR

A
Cheapest Retailer
-
€3,024 EUR
HK$26,500 HKD
A
Retailer 2
-
€3,337 EUR
$3,743 USD
View
A
Retailer 3
-
€3,385 EUR
View
A
Retailer 4
-
€3,504 EUR
$3,930 USD
View
A
Retailer 5
-
€3,632 EUR
$4,074 USD
View
A
Retailer 6
-
€3,648 EUR
A$6,295 AUD
View
B+
Retailer 7
-
€3,795 EUR
$4,256 USD
View
Final sale: no returns
A
Retailer 8
-
€3,798 EUR
$4,260 USD
View
A
Retailer 9
-
€3,859 EUR
£3,408 GBP
View
A
Retailer 10
-
€3,901 EUR
£3,445 GBP
View
B+
Retailer 11
-
€3,963 EUR
$4,445 USD
View
B+
Retailer 12
-
€4,021 EUR
$4,510 USD
View
A
Retailer 13
-
€4,025 EUR
$4,515 USD
View
Retailer 14
-
€4,070 EUR
$4,565 USD
View
Price last confirmed 13 days ago
Retailer 15
-
€4,406 EUR
A$7,602 AUD
View
Price last confirmed 24 days ago
B+
Retailer 16
-
€4,652 EUR
View
B+
Retailer 17
-
€5,160 EUR
ZAR 93,504 ZAR
View
Retailer 18
-
€6,510 EUR
$7,302 USD
View
Price last confirmed 10 days ago
Most Expensive
B
MOH London
87E195438 · Nov 2
€6,548 EUR
£5,783 GBP
View
18 more retailers have this diamond
Prices start from €3,024 EURSave up to €3,524 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
€3,024 EUR