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Cushion|Natural|GIA

1.51ct G SI1 Cushion Natural Diamond

EX • G/SI1 • GIA 1533872051

Certificate GIA 1533872051

Diamond specifications and retailer prices

From $4,273 CAD
$3,059 USD
As of October 31, 2026
Save $4,725 CAD (53%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $8,998 CAD 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1533872051. Listed at 12 retailers as of October 31, 2026, with prices from $4,273 to $8,998, a $4,725 spread on the same certified stone. MOH London lists it at $8,998. 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
G
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1533872051
Dimensions6.63 × 6.22 × 4.15 mm
L/W Ratio1.07
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Needle
Top View
6.63 mm6.22 mm1.51 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1533872051
Side View
Table 62.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 66.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $8,998 CAD|Low: $3,730 CAD|High: $8,998 CAD|Avg: $5,378 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
Retailer 14
November 1, 2026
Retailer 11$3,998 CAD
Retailer 8$4,177 CAD
Retailer 2$4,273 CAD
Retailer 5$4,586 CAD
Retailer 7$4,673 CAD
Retailer 14$5,166 CAD
Retailer 13$5,234 CAD
Retailer 9$5,361 CAD
Retailer 4$5,370 CAD
Retailer 12$5,534 CAD
Retailer 6$5,825 CAD
Retailer 10$6,025 CAD
Retailer 3$6,230 CAD
MOH London$8,998 CAD

36 data points across 14 retailers

12 retailers$4,273 CAD to $8,998 CAD

Retailer 1
-
$4,177 CAD
$2,990 USD
Price last confirmed 10 days ago
A
Retailer 2
-
$4,273 CAD
$3,059 USD
View
Final sale: no returns
Retailer 3
-
$4,586 CAD
$3,283 USD
View
Price last confirmed 27 days ago
A
Retailer 4
-
$4,673 CAD
$3,345 USD
View
A
Retailer 5
-
$5,083 CAD
A$5,598 AUD
View
Retailer 6
-
$5,166 CAD
$3,698 USD
View
Price last confirmed 24 days ago
Retailer 7
-
$5,234 CAD
$3,747 USD
View
Price last confirmed 25 days ago
Retailer 8
-
$5,370 CAD
$3,844 USD
View
Price last confirmed 23 days ago
Retailer 9
-
$5,534 CAD
A$6,095 AUD
View
Price last confirmed 24 days ago
Retailer 10
-
$5,825 CAD
$4,170 USD
View
Price last confirmed 23 days ago
Retailer 11
-
$6,230 CAD
ZAR 72,044 ZAR
View
Price last confirmed 32 days ago
Most Expensive
B+
MOH London
28EA0EA95 · Nov 1
$8,998 CAD
£5,072 GBP
View
11 more retailers have this diamond
Prices start from $4,273 CADSave up to $4,725 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
$4,273 CAD