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Cushion|Natural|GIA

0.51ct G SI1 Cushion Natural Diamond

ID • G/SI1 • GIA 1563633023

Certificate GIA 1563633023

Diamond specifications and retailer prices

From $808 NZD
As of November 6, 2026
Save $611 NZD (43%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,419 NZD at Wholesale Diamonds Direct · As of November 6, 2026
View at Wholesale Diamonds Direct

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 1563633023. Listed at 13 retailers as of November 6, 2026, with prices from $808 to $1,419, a $611 spread on the same certified stone. Wholesale Diamonds Direct lists it at $1,419. 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
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1563633023
Dimensions5.71 × 4.22 × 2.82 mm
L/W Ratio1.35
Top View
5.71 mm4.22 mm0.51 ctG / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1563633023
Side View
Table 66.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 66.8%

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: $1,228 NZD|Low: $729 NZD|High: $1,419 NZD|Avg: $1,134 NZD|+0.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Wholesale Diamonds Direct
November 7, 2026
Retailer 5$808 NZD
Retailer 11$934 NZD
Retailer 9$998 NZD
Retailer 6$1,003 NZD
Retailer 3$1,007 NZD
Retailer 1$1,228 NZD
Retailer 7$1,237 NZD
Retailer 10$1,362 NZD
Retailer 2$1,380 NZD
Retailer 8$1,380 NZD
Retailer 4$1,387 NZD
Wholesale Diamonds Direct$1,419 NZD

6 data points across 12 retailers

13 retailers$808 NZD to $1,419 NZD

A
Cheapest Retailer
-
$808 NZD
B+
Retailer 2
-
$934 NZD
View
Final sale: no returns
A
Retailer 3
-
$969 NZD
View
B+
Retailer 4
-
$998 NZD
View
B+
Retailer 5
-
$1,003 NZD
View
B+
Retailer 6
-
$1,007 NZD
View
B+
Retailer 7
-
$1,228 NZD
View
B+
Retailer 8
-
$1,237 NZD
View
B+
Retailer 9
-
$1,362 NZD
View
B+
Retailer 10
-
$1,380 NZD
View
B+
Retailer 11
-
$1,380 NZD
View
B+
Retailer 12
-
$1,387 NZD
View
Most Expensive
B+
Wholesale Diamonds Direct
681960494 · Nov 6
$1,419 NZD
$787 USD
View
12 more retailers have this diamond
Prices start from $808 NZDSave up to $611 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.

A
0.51ct Cushion
$808 NZD