CaratHunter
Plans
Cushion|Natural|GIA

0.51ct D SI1 Cushion Natural Diamond

EX • D/SI1 • GIA 6512554775

Certificate GIA 6512554775

Diamond specifications and retailer prices

From €359 EUR
As of November 6, 2026
Save €608 EUR (63%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €967 EUR at Do Amore Diamonds · As of November 6, 2026
View at Do Amore Diamonds

About this 0.51ct natural cushion diamond

This 0.51ct natural cushion sits in the half to three-quarter carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6512554775. Listed at 6 retailers as of November 6, 2026, with prices from €359 to €967, a €608 spread on the same certified stone. Do Amore Diamonds lists it at €967. 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
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6512554775
Dimensions4.62 × 4.36 × 2.94 mm
L/W Ratio1.06
Top View
4.62 mm4.36 mm0.51 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6512554775
Side View
Table 62.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 67.4%

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: €967 EUR|Low: €313 EUR|High: €1,066 EUR|Avg: €531 EUR|-9.2%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 3€359 EUR
Retailer 6€384 EUR
Retailer 5€423 EUR
Retailer 4€432 EUR
Retailer 2€492 EUR
Retailer 8€546 EUR
Retailer 9€546 EUR
Retailer 7€564 EUR
Do Amore Diamonds€967 EUR

41 data points across 9 retailers

6 retailers€359 EUR to €967 EUR

A
Cheapest Retailer
-
€359 EUR
Final sale: no returns
A
Retailer 2
-
€384 EUR
View
A
Retailer 3
-
€423 EUR
View
A
Retailer 4
-
€432 EUR
View
A
Retailer 5
-
€492 EUR
View
Most Expensive
B
Do Amore Diamonds
12-100761125698 · Nov 6
€967 EUR
$1,080 USD
View
5 more retailers have this diamond
Prices start from €359 EURSave up to €608 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
€359 EUR