CaratHunter
Plans
Cushion|Natural|GIA

1.51ct D SI1 Cushion Natural Diamond

EX • D/SI1 • GIA 7546199359

Certificate GIA 7546199359

Diamond specifications and retailer prices

From $2,935 USD
₹279,567 INR
As of November 1, 2026
Save $3,605 USD (55%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $6,541 USD 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 7546199359. Listed at 13 retailers as of November 1, 2026, with prices from $2,935 to $6,541, a $3,605 spread on the same certified stone. MOH London lists it at $6,541. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 7546199359
Dimensions7.05 × 5.94 × 4.03 mm
L/W Ratio1.19
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Needle, Indented Natural
Top View
7.05 mm5.94 mm1.51 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 7546199359
Side View
Table 66.0%CrownGirdle: STK-ETKPavilionCulet: NoneDepth 67.8%

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 1
Current: $6,541 USD|Low: $2,935 USD|High: $6,932 USD|Avg: $4,265 USD|-5.6%
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
November 1, 2026
Retailer 2$2,935 USD
Retailer 3$3,106 USD
Retailer 12$3,338 USD
Retailer 10$3,441 USD
Retailer 4$3,525 USD
Retailer 6$3,616 USD
Retailer 9$3,659 USD
Retailer 11$3,911 USD
Retailer 7$4,000 USD
Retailer 13$4,154 USD
Retailer 5$4,391 USD
Retailer 8$4,807 USD
MOH London$6,541 USD

32 data points across 13 retailers

13 retailers$2,935 USD to $6,541 USD

A
Cheapest Retailer
-
$2,935 USD
₹279,567 INR
A
Retailer 2
-
$3,106 USD
View
Final sale: no returns
A
Retailer 3
-
$3,338 USD
View
A
Retailer 4
-
$3,441 USD
View
A
Retailer 5
-
$3,525 USD
View
A
Retailer 6
-
$3,616 USD
£2,847 GBP
View
A
Retailer 7
-
$3,659 USD
View
A
Retailer 8
-
$3,911 USD
View
A
Retailer 9
-
$4,000 USD
£3,150 GBP
View
A
Retailer 10
-
$4,154 USD
View
Retailer 11
-
$4,391 USD
A$6,756 AUD
View
Price last confirmed 28 days ago
A
Retailer 12
-
$4,807 USD
ZAR 77,657 ZAR
View
Most Expensive
B+
MOH London
83D8456BE · Nov 1
$6,541 USD
£5,150 GBP
View
12 more retailers have this diamond
Prices start from $2,935 USDSave up to $3,605 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.

A
1.51ct Cushion
$2,935 USD