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Cushion|Natural|GIA

0.51ct G SI1 Cushion Natural Diamond

ID • G/SI1 • GIA 1568707110

Certificate GIA 1568707110

Diamond specifications and retailer prices

From $995 AUD
As of November 6, 2026
Save $1,038 AUD (51%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,033 AUD at MOH London · As of November 7, 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 6, 2026, with prices from $995 to $2,033, a $1,038 spread on the same certified stone. MOH London lists it at $2,033. 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
Colour
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: $2,033 AUD|Low: $995 AUD|High: $2,055 AUD|Avg: $1,352 AUD|-0.6%
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 7, 2026
Retailer 13$995 AUD
Retailer 3$1,029 AUD
Retailer 8$1,116 AUD
Retailer 4$1,132 AUD
Retailer 12$1,284 AUD
Retailer 11$1,308 AUD
Retailer 2$1,327 AUD
Retailer 6$1,362 AUD
Retailer 10$1,368 AUD
Retailer 9$1,397 AUD
Retailer 5$1,496 AUD
Retailer 7$1,722 AUD
MOH London$2,033 AUD

16 data points across 13 retailers

13 retailers$995 AUD to $2,033 AUD

B+
Cheapest Retailer
-
$995 AUD
B+
Retailer 2
-
$1,029 AUD
View
Final sale: no returns
Retailer 3
-
$1,116 AUD
View
Price last confirmed 9 days ago
B+
Retailer 4
-
$1,132 AUD
View
B
Retailer 5
-
$1,284 AUD
View
B
Retailer 6
-
$1,308 AUD
View
B
Retailer 7
-
$1,327 AUD
View
B
Retailer 8
-
$1,362 AUD
View
B
Retailer 9
-
$1,368 AUD
View
B
Retailer 10
-
$1,397 AUD
View
B
Retailer 11
-
$1,496 AUD
View
B
Retailer 12
-
$1,722 AUD
View
Most Expensive
B
MOH London
0B3CBAB6E · Nov 7
$2,033 AUD
£1,100 GBP
View
12 more retailers have this diamond
Prices start from $995 AUDSave up to $1,038 AUD

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
$995 AUD