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Cushion|Natural|GIA

1.51ct G SI1 Cushion Natural Diamond

EX • G/SI1 • GIA 1425256232

Certificate GIA 1425256232

Diamond specifications and retailer prices

From €4,144 EUR
$4,630 USD
As of November 2, 2026
Save €3,959 EUR (49%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €8,103 EUR at MOH London · As of November 1, 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 G 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 1425256232. Listed at 20 retailers as of November 1, 2026, with prices from €4,144 to €8,103, a €3,959 spread on the same certified stone. MOH London lists it at €8,103. 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
G
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1425256232
Dimensions6.16 × 6.04 × 4.61 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Needle, Indented Natural
Top View
6.16 mm6.04 mm1.51 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1425256232
Side View
Table 59.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 76.4%

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: €8,103 EUR|Low: €3,985 EUR|High: €8,201 EUR|Avg: €5,658 EUR|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 10€4,144 EUR
Retailer 6€4,381 EUR
Retailer 8€4,383 EUR
Retailer 11€4,663 EUR
Retailer 7€4,983 EUR
Retailer 4€5,277 EUR
Retailer 9€5,466 EUR
Retailer 2€6,008 EUR
Retailer 5€6,758 EUR
Retailer 3€7,969 EUR
MOH London€8,103 EUR

45 data points across 11 retailers

20 retailers€4,144 EUR to €8,103 EUR

A
Cheapest Retailer
-
€4,144 EUR
$4,630 USD
A
Retailer 2
-
€4,296 EUR
$4,800 USD
View
A
Retailer 3
-
€4,346 EUR
$4,855 USD
View
A
Retailer 4
-
€4,381 EUR
$4,895 USD
View
A
Retailer 5
-
€4,383 EUR
$4,897 USD
View
Final sale: no returns
A
Retailer 6
-
€4,401 EUR
$4,917 USD
View
A
Retailer 7
-
€4,637 EUR
CA$7,195 CAD
View
A
Retailer 8
-
€4,663 EUR
$5,210 USD
View
B+
Retailer 9
-
€4,680 EUR
$5,228 USD
View
B+
Retailer 10
-
€4,923 EUR
$5,500 USD
View
B+
Retailer 11
-
€4,983 EUR
$5,567 USD
View
B+
Retailer 12
-
€5,252 EUR
$5,868 USD
View
B+
Retailer 13
-
€5,277 EUR
£4,642 GBP
View
Retailer 14
-
€5,466 EUR
A$9,394 AUD
View
Price last confirmed 29 days ago
B+
Retailer 15
-
€6,008 EUR
View
Retailer 16
-
€6,065 EUR
$6,776 USD
View
Price last confirmed 10 days ago
B
Retailer 17
-
€6,230 EUR
$6,960 USD
View
B+
Retailer 18
-
€6,758 EUR
ZAR 121,964 ZAR
View
B
Retailer 19
-
€7,969 EUR
$8,903 USD
View
Most Expensive
B
MOH London
C97E3DB6C · Nov 1
€8,103 EUR
£7,128 GBP
View
19 more retailers have this diamond
Prices start from €4,144 EURSave up to €3,959 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
€4,144 EUR