Cushion|Natural|GIA

0.51ct G SI1 Cushion Natural Diamond

ID • G/SI1 • GIA 1563633023

Certificate GIA 1563633023

Diamond specifications and retailer prices

From $448 USD
As of November 6, 2026
Save $339 USD (43%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $787 USD 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 $448 to $787, a $339 spread on the same certified stone. Wholesale Diamonds Direct lists it at $787. 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
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $769 USD|Low: $404 USD|High: $787 USD|Avg: $615 USD
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 6, 2026
Retailer 4$448 USD
Retailer 11$518 USD
Retailer 8$553 USD
Retailer 5$556 USD
Retailer 3$558 USD
Retailer 9$677 USD
Retailer 6$686 USD
Retailer 10$755 USD
Retailer 2$765 USD
Retailer 7$765 USD
Retailer 1$769 USD
Wholesale Diamonds Direct$787 USD

5 data points across 12 retailers

13 retailers$448 USD to $787 USD

A
Cheapest Retailer
-
$448 USD
B+
Retailer 2
-
$518 USD
View
Final sale: no returns
A
Retailer 3
-
$537 USD
View
B+
Retailer 4
-
$553 USD
View
B+
Retailer 5
-
$556 USD
View
B+
Retailer 6
-
$558 USD
View
B+
Retailer 7
-
$677 USD
View
B+
Retailer 8
-
$686 USD
View
B+
Retailer 9
-
$755 USD
View
B+
Retailer 10
-
$765 USD
View
B+
Retailer 11
-
$765 USD
View
B+
Retailer 12
-
$769 USD
View
Most Expensive
B+
Wholesale Diamonds Direct
681960494 · Nov 6
$787 USD
View
12 more retailers have this diamond
Prices start from $448 USDSave up to $339 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.

A
0.51ct Cushion
$448 USD