Cushion|Natural|GIA

1.51ct D SI2 Cushion Natural Diamond

EX • D/SI2 • GIA 1545613508

Certificate GIA 1545613508

Diamond specifications and retailer prices

From $6,161 USD
As of October 25, 2026
Save $4,121 USD (40%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $10,282 USD at MOH London · As of October 25, 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1545613508. Listed at 9 retailers as of October 25, 2026, with prices from $6,161 to $10,282, a $4,121 spread on the same certified stone. MOH London lists it at $10,282. 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
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 1545613508
Dimensions7.74 × 5.93 × 4.12 mm
L/W Ratio1.31
Key to symbols
Crystal, Cloud, Feather, Indented Natural, Needle
Top View
7.74 mm5.93 mm1.51 ctD / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceStrong
CertificateGIA 1545613508
Side View
Table 63.0%CrownGirdle: THK-XTKPavilionCulet: NoneDepth 69.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 25
Current: $10,282 USD|Low: $4,855 USD|High: $10,378 USD|Avg: $6,607 USD|+10.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 25, 2026
Retailer 9$4,905 USD
Retailer 4$5,821 USD
Retailer 8$5,826 USD
Retailer 5$6,161 USD
Retailer 6$6,616 USD
Retailer 7$6,776 USD
Retailer 3$6,935 USD
Retailer 2$6,949 USD
MOH London$10,282 USD

33 data points across 9 retailers

9 retailers$6,161 USD to $10,282 USD

Retailer 1
-
$4,905 USD
Price last confirmed 8 days ago
Retailer 2
-
$5,821 USD
View
Price last confirmed 7 days ago
Retailer 3
-
$5,826 USD
View
Price last confirmed 10 days ago
B+
Retailer 4
-
$6,161 USD
View
Retailer 5
-
$6,616 USD
€6,301 EUR
View
Price last confirmed 9 days ago
Retailer 6
-
$6,776 USD
View
Price last confirmed 9 days ago
B+
Retailer 7
-
$6,935 USD
£5,460 GBP
View
B+
Retailer 8
-
$6,949 USD
£5,472 GBP
View
Most Expensive
B
MOH London
29EB53965 · Oct 25
$10,282 USD
£8,096 GBP
View
8 more retailers have this diamond
Prices start from $6,161 USDSave up to $4,121 USD

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.

B+
1.51ct Cushion
$6,161 USD