CaratHunter
Plans
Cushion|Natural|GIA

1.51ct D SI1 Cushion Natural Diamond

EX • D/SI1 • GIA 2231926496

Certificate GIA 2231926496

Diamond specifications and retailer prices

From €5,045 EUR
$5,659 USD
As of November 2, 2026
Save €4,617 EUR (48%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €9,662 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2231926496. Listed at 14 retailers as of November 1, 2026, with prices from €5,045 to €9,662, a €4,617 spread on the same certified stone. MOH London lists it at €9,662. 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
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Pavilion angle35.83°
OriginNatural
Grading LabGIA
CertificateGIA 2231926496
Dimensions7.45 × 5.87 × 4.09 mm
L/W Ratio1.27
Key to symbols
Twinning Wisp, Crystal, Feather
Top View
7.45 mm5.87 mm1.51 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 2231926496
Side View
Table 62.0%CrownGirdle: THK-VTKPavilion 35.83°Culet: NoneDepth 69.8%

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: €9,662 EUR|Low: €5,029 EUR|High: €9,777 EUR|Avg: €6,791 EUR|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 9€5,045 EUR
Retailer 5€5,797 EUR
Retailer 8€5,797 EUR
Retailer 10€5,813 EUR
Retailer 3€6,536 EUR
Retailer 7€6,625 EUR
Retailer 6€6,684 EUR
Retailer 2€7,574 EUR
Retailer 4€8,518 EUR
MOH London€9,662 EUR

44 data points across 10 retailers

14 retailers€5,045 EUR to €9,662 EUR

A
Cheapest Retailer
-
€5,045 EUR
$5,659 USD
B+
Retailer 2
-
€5,477 EUR
$6,143 USD
View
B+
Retailer 3
-
€5,486 EUR
$6,153 USD
View
B+
Retailer 4
-
€5,553 EUR
$6,229 USD
View
B+
Retailer 5
-
€5,797 EUR
$6,502 USD
View
Final sale: no returns
B+
Retailer 6
-
€5,797 EUR
$6,502 USD
View
B+
Retailer 7
-
€5,813 EUR
$6,520 USD
View
B+
Retailer 8
-
€6,536 EUR
£5,772 GBP
View
B+
Retailer 9
-
€6,625 EUR
$7,431 USD
View
Retailer 10
-
€6,684 EUR
A$11,533 AUD
View
Price last confirmed 11 days ago
B+
Retailer 11
-
€7,574 EUR
View
Retailer 12
-
€7,638 EUR
$8,567 USD
View
Price last confirmed 10 days ago
B
Retailer 13
-
€8,518 EUR
ZAR 154,335 ZAR
View
Most Expensive
B
MOH London
75DE28E9A · Nov 1
€9,662 EUR
£8,533 GBP
View
13 more retailers have this diamond
Prices start from €5,045 EURSave up to €4,617 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
€5,045 EUR