Cushion|Natural|GIA

0.51ct G SI1 Cushion Natural Diamond

ID • G/SI1 • GIA 1568707110

Certificate GIA 1568707110

Diamond specifications and retailer prices

From $684 USD
As of November 6, 2026
Save $721 USD (51%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,405 USD 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 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 1568707110. Listed at 13 retailers as of November 2, 2026, with prices from $684 to $1,405, a $721 spread on the same certified stone. MOH London lists it at $1,405. 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

0.51
Carat
G
Color
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle32.3°
Pavilion angle38.2°
OriginNatural
Grading LabGIA
CertificateGIA 1568707110
Dimensions5.60 × 4.23 × 2.85 mm
L/W Ratio1.32
Culet sizeNone
Key to symbols
Crystal, Cloud
Top View
5.60 mm4.23 mm0.51 ctG / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1568707110
Side View
Table 64.0%Crown 32.3°Girdle: STK-VTKPavilion 38.2°Culet: NoneDepth 67.5%

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: $1,405 USD|Low: $684 USD|High: $1,412 USD|Avg: $929 USD|-0.1%
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 13$684 USD
Retailer 3$707 USD
Retailer 8$767 USD
Retailer 4$778 USD
Retailer 12$882 USD
Retailer 11$899 USD
Retailer 6$906 USD
Retailer 2$936 USD
Retailer 10$940 USD
Retailer 9$960 USD
Retailer 5$1,028 USD
Retailer 7$1,183 USD
MOH London$1,405 USD

15 data points across 13 retailers

13 retailers$684 USD to $1,405 USD

B+
Cheapest Retailer
-
$684 USD
B+
Retailer 2
-
$707 USD
View
Final sale: no returns
Retailer 3
-
$767 USD
View
Price last confirmed 9 days ago
B+
Retailer 4
-
$778 USD
View
B
Retailer 5
-
$882 USD
View
B
Retailer 6
-
$899 USD
View
B
Retailer 7
-
$906 USD
View
B
Retailer 8
-
$936 USD
View
B
Retailer 9
-
$940 USD
View
B
Retailer 10
-
$960 USD
View
B
Retailer 11
-
$1,028 USD
View
B
Retailer 12
-
$1,183 USD
View
Most Expensive
B
MOH London
0B3CBAB6E · Nov 2
$1,405 USD
£1,106 GBP
View
12 more retailers have this diamond
Prices start from $684 USDSave up to $721 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
$684 USD