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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 $1,234 NZD
As of November 6, 2026
Save $1,300 NZD (51%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,534 NZD 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 $1,234 to $2,534, a $1,300 spread on the same certified stone. MOH London lists it at $2,534. 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: $2,534 NZD|Low: $1,234 NZD|High: $2,548 NZD|Avg: $1,676 NZD|-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 7, 2026
Retailer 13$1,234 NZD
Retailer 3$1,275 NZD
Retailer 8$1,384 NZD
Retailer 4$1,403 NZD
Retailer 12$1,591 NZD
Retailer 11$1,622 NZD
Retailer 2$1,645 NZD
Retailer 6$1,688 NZD
Retailer 10$1,696 NZD
Retailer 9$1,732 NZD
Retailer 5$1,854 NZD
Retailer 7$2,134 NZD
MOH London$2,534 NZD

16 data points across 13 retailers

13 retailers$1,234 NZD to $2,534 NZD

B+
Cheapest Retailer
-
$1,234 NZD
B+
Retailer 2
-
$1,275 NZD
View
Final sale: no returns
Retailer 3
-
$1,384 NZD
View
Price last confirmed 9 days ago
B+
Retailer 4
-
$1,403 NZD
View
B
Retailer 5
-
$1,591 NZD
View
B
Retailer 6
-
$1,622 NZD
View
B
Retailer 7
-
$1,645 NZD
View
B
Retailer 8
-
$1,688 NZD
View
B
Retailer 9
-
$1,696 NZD
View
B
Retailer 10
-
$1,732 NZD
View
B
Retailer 11
-
$1,854 NZD
View
B
Retailer 12
-
$2,134 NZD
View
Most Expensive
B
MOH London
0B3CBAB6E · Nov 2
$2,534 NZD
£1,106 GBP
View
12 more retailers have this diamond
Prices start from $1,234 NZDSave up to $1,300 NZD

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
$1,234 NZD