Cushion|Natural|GIA

0.51ct G SI1 Cushion Natural Diamond

GD • G/SI1 • GIA 7496080636

Certificate GIA 7496080636

Diamond specifications and retailer prices

From $631 USD
As of November 6, 2026
Save $948 USD (60%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,579 USD at MOH London · As of November 4, 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 7496080636. Listed at 12 retailers as of November 4, 2026, with prices from $631 to $1,579, a $948 spread on the same certified stone. MOH London lists it at $1,579. 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
G
Color
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7496080636
Dimensions4.85 × 4.59 × 2.98 mm
L/W Ratio1.06
Key to symbols
Feather, Crystal
Top View
4.85 mm4.59 mm0.51 ctG / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryGood
FluorescenceNone
CertificateGIA 7496080636
Side View
Table 63.0%CrownGirdle: Sli. ThickPavilionCulet: NoneDepth 65.0%

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: Nov 6
Current: $1,579 USD|Low: $631 USD|High: $1,599 USD|Avg: $915 USD|-0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 8$631 USD
Retailer 10$652 USD
Retailer 7$684 USD
Retailer 3$745 USD
Retailer 4$831 USD
Retailer 6$857 USD
Retailer 11$865 USD
Retailer 2$968 USD
Retailer 9$1,029 USD
Retailer 5$1,056 USD
MOH London$1,579 USD

42 data points across 11 retailers

12 retailers$631 USD to $1,579 USD

B+
Cheapest Retailer
-
$631 USD
Final sale: no returns
B
Retailer 2
-
$652 USD
View
Retailer 3
-
$684 USD
View
Price last confirmed 9 days ago
B
Retailer 4
-
$750 USD
View
B
Retailer 5
-
$816 USD
View
B
Retailer 6
-
$831 USD
View
B
Retailer 7
-
$857 USD
View
B
Retailer 8
-
$865 USD
View
B
Retailer 9
-
$968 USD
View
Retailer 10
-
$1,029 USD
View
Price last confirmed 33 days ago
B
Retailer 11
-
$1,056 USD
View
Most Expensive
C
MOH London
519549403 · Nov 4
$1,579 USD
£1,243 GBP
View
11 more retailers have this diamond
Prices start from $631 USDSave up to $948 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.

B+
0.51ct Cushion
$631 USD