Cushion|Natural|GIA

0.51ct G SI1 Cushion Natural Diamond

ID • G/SI1 • GIA 1563633023

Certificate GIA 1563633023

Diamond specifications and retailer prices

From €401 EUR
As of November 6, 2026
Save €303 EUR (43%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €705 EUR 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 €401 to €705, a €303 spread on the same certified stone. Wholesale Diamonds Direct lists it at €705. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: €610 EUR|Low: €362 EUR|High: €705 EUR|Avg: €563 EUR|+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€401 EUR
Retailer 11€464 EUR
Retailer 9€495 EUR
Retailer 6€498 EUR
Retailer 3€500 EUR
Retailer 1€610 EUR
Retailer 7€614 EUR
Retailer 10€676 EUR
Retailer 2€685 EUR
Retailer 8€685 EUR
Retailer 4€689 EUR
Wholesale Diamonds Direct€705 EUR

6 data points across 12 retailers

13 retailers€401 EUR to €705 EUR

A
Cheapest Retailer
-
€401 EUR
B+
Retailer 2
-
€464 EUR
View
Final sale: no returns
A
Retailer 3
-
€481 EUR
View
B+
Retailer 4
-
€495 EUR
View
B+
Retailer 5
-
€498 EUR
View
B+
Retailer 6
-
€500 EUR
View
B+
Retailer 7
-
€610 EUR
View
B+
Retailer 8
-
€614 EUR
View
B+
Retailer 9
-
€676 EUR
View
B+
Retailer 10
-
€685 EUR
View
B+
Retailer 11
-
€685 EUR
View
B+
Retailer 12
-
€689 EUR
View
Most Expensive
B+
Wholesale Diamonds Direct
681960494 · Nov 6
€705 EUR
$787 USD
View
12 more retailers have this diamond
Prices start from €401 EURSave up to €303 EUR

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
€401 EUR