Cushion|Natural|GIA

1.51ct D SI2 Cushion Natural Diamond

EX • D/SI2 • GIA 1545613508

Certificate GIA 1545613508

Diamond specifications and retailer prices

From $8,131 CAD
$5,821 USD
As of October 24, 2026
Save $6,231 CAD (43%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $14,363 CAD 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 24, 2026, with prices from $8,131 to $14,363, a $6,231 spread on the same certified stone. MOH London lists it at $14,363. 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 24
Current: $14,363 CAD|Low: $6,782 CAD|High: $14,498 CAD|Avg: $9,229 CAD|+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$6,852 CAD
Retailer 4$8,131 CAD
Retailer 8$8,138 CAD
Retailer 5$8,606 CAD
Retailer 6$9,242 CAD
Retailer 7$9,465 CAD
Retailer 3$9,687 CAD
Retailer 2$9,707 CAD
MOH London$14,363 CAD

33 data points across 9 retailers

9 retailers$8,131 CAD to $14,363 CAD

Retailer 1
-
$6,852 CAD
$4,905 USD
Price last confirmed 7 days ago
B+
Retailer 2
-
$8,131 CAD
$5,821 USD
View
Retailer 3
-
$8,138 CAD
$5,826 USD
View
Price last confirmed 9 days ago
B+
Retailer 4
-
$8,606 CAD
$6,161 USD
View
Retailer 5
-
$9,242 CAD
€6,301 EUR
View
Price last confirmed 8 days ago
Retailer 6
-
$9,465 CAD
$6,776 USD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$9,687 CAD
£5,460 GBP
View
B+
Retailer 8
-
$9,707 CAD
£5,472 GBP
View
Most Expensive
B
MOH London
29EB53965 · Oct 25
$14,363 CAD
£8,096 GBP
View
8 more retailers have this diamond
Prices start from $8,131 CADSave up to $6,231 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.

B+
1.51ct Cushion
$8,131 CAD