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Cushion|Natural|GIA

0.51ct D SI1 Cushion Natural Diamond

GD • D/SI1 • GIA 7511675994

Certificate GIA 7511675994

Diamond specifications and retailer prices

From $674 CAD
As of November 6, 2026
Save $1,388 CAD (67%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,061 CAD at MOH London · As of November 2, 2026
View at MOH London

About this 0.51ct natural cushion diamond

This 0.51ct natural cushion sits in the half to three-quarter carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 7511675994. Listed at 14 retailers as of November 2, 2026, with prices from $674 to $2,061, a $1,388 spread on the same certified stone. MOH London lists it at $2,061. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.51
Carat
D
Color
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7511675994
Dimensions5.73 × 4.07 × 2.93 mm
L/W Ratio1.41
Key to symbols
Crystal, Cloud
Top View
5.73 mm4.07 mm0.51 ctD / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7511675994
Side View
Table 62.0%CrownGirdle: ThickPavilionCulet: NoneDepth 71.9%

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 6
Current: $2,061 CAD|Low: $674 CAD|High: $2,145 CAD|Avg: $1,191 CAD|-3.6%
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 6, 2026
Retailer 2$674 CAD
Retailer 5$774 CAD
Retailer 13$955 CAD
Retailer 10$961 CAD
Retailer 9$1,077 CAD
Retailer 7$1,087 CAD
Retailer 12$1,118 CAD
Retailer 11$1,153 CAD
Retailer 3$1,277 CAD
Retailer 4$1,284 CAD
Retailer 6$1,305 CAD
Retailer 8$1,377 CAD
MOH London$2,061 CAD

31 data points across 13 retailers

14 retailers$674 CAD to $2,061 CAD

A
Cheapest Retailer
-
$674 CAD
B+
Retailer 2
-
$774 CAD
View
Retailer 3
-
$955 CAD
View
Price last confirmed 10 days ago
Retailer 4
-
$961 CAD
View
Price last confirmed 8 days ago
B
Retailer 5
-
$1,077 CAD
View
B
Retailer 6
-
$1,087 CAD
View
B
Retailer 7
-
$1,118 CAD
View
B+
Retailer 8
-
$1,153 CAD
View
B
Retailer 9
-
$1,277 CAD
View
Retailer 10
-
$1,284 CAD
View
Price last confirmed 16 days ago
B
Retailer 11
-
$1,305 CAD
View
B
Retailer 12
-
$1,377 CAD
View
Retailer 13
-
$1,380 CAD
View
Price last confirmed 32 days ago
Most Expensive
B
MOH London
DE2A94A13 · Nov 2
$2,061 CAD
£1,154 GBP
View
13 more retailers have this diamond
Prices start from $674 CADSave up to $1,388 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
0.51ct Cushion
$674 CAD