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Cushion|Natural|GIA

0.51ct E SI2 Cushion Natural Diamond

EX • E/SI2 • GIA 3395881631

Certificate GIA 3395881631

Diamond specifications and retailer prices

From $1,079 USD
As of October 28, 2026
Save $1,210 USD (53%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $2,289 USD at MOH London · As of October 29, 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 E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 3395881631. Listed at 6 retailers as of October 28, 2026, with prices from $1,079 to $2,289, a $1,210 spread on the same certified stone. MOH London lists it at $2,289. 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
E
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 3395881631
Dimensions4.54 × 4.34 × 3.00 mm
L/W Ratio1.05
Top View
4.54 mm4.34 mm0.51 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 3395881631
Side View
Table 63.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 69.1%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $2,289 USD|Low: $1,075 USD|High: $2,304 USD|Avg: $1,530 USD|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 4$1,075 USD
Retailer 5$1,126 USD
Retailer 6$1,197 USD
Retailer 2$1,419 USD
Retailer 3$1,735 USD
Retailer 7$1,871 USD
MOH London$2,289 USD

41 data points across 7 retailers

6 retailers$1,079 USD to $2,289 USD

Retailer 1
-
$1,075 USD
Price last confirmed 11 days ago
B
Retailer 2
-
$1,079 USD
View
B
Retailer 3
-
$1,126 USD
View
B
Retailer 4
-
$1,419 USD
£1,117 GBP
View
B
Retailer 5
-
$1,735 USD
€1,652 EUR
View
Most Expensive
B
MOH London
47776F153 · Oct 29
$2,289 USD
£1,802 GBP
View
5 more retailers have this diamond
Prices start from $1,079 USDSave up to $1,210 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.

B
0.51ct Cushion
$1,079 USD