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 $4,150 CAD
₹282,951 INR
As of October 31, 2026
Save $5,142 CAD (55%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $9,293 CAD at MOH London · As of October 29, 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 October 29, 2026, with prices from $4,150 to $9,293, a $5,142 spread on the same certified stone. MOH London lists it at $9,293. 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: Oct 31
Current: $9,293 CAD|Low: $4,150 CAD|High: $9,683 CAD|Avg: $5,966 CAD|-4.0%
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
October 31, 2026
Retailer 6$4,150 CAD
Retailer 3$4,339 CAD
Retailer 12$4,663 CAD
Retailer 9$4,807 CAD
Retailer 4$4,924 CAD
Retailer 8$5,111 CAD
Retailer 10$5,127 CAD
Retailer 11$5,463 CAD
Retailer 7$5,588 CAD
Retailer 13$5,803 CAD
Retailer 5$6,134 CAD
Retailer 2$6,715 CAD
MOH London$9,293 CAD

32 data points across 13 retailers

13 retailers$4,150 CAD to $9,293 CAD

A
Cheapest Retailer
-
$4,150 CAD
₹282,951 INR
A
Retailer 2
-
$4,339 CAD
$3,106 USD
View
Final sale: no returns
A
Retailer 3
-
$4,663 CAD
$3,338 USD
View
A
Retailer 4
-
$4,807 CAD
$3,441 USD
View
A
Retailer 5
-
$4,924 CAD
$3,525 USD
View
A
Retailer 6
-
$5,111 CAD
$3,659 USD
View
A
Retailer 7
-
$5,127 CAD
£2,890 GBP
View
A
Retailer 8
-
$5,463 CAD
$3,911 USD
View
A
Retailer 9
-
$5,588 CAD
£3,150 GBP
View
A
Retailer 10
-
$5,803 CAD
$4,154 USD
View
Retailer 11
-
$6,134 CAD
A$6,756 AUD
View
Price last confirmed 27 days ago
A
Retailer 12
-
$6,715 CAD
ZAR 77,657 ZAR
View
Most Expensive
B+
MOH London
83D8456BE · Oct 29
$9,293 CAD
£5,238 GBP
View
12 more retailers have this diamond
Prices start from $4,150 CADSave up to $5,142 CAD

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
$4,150 CAD