Cushion|Natural|GIA

0.31ct H SI1 Cushion Natural Diamond

EX • H/SI1 • GIA 2556254498

Certificate GIA 2556254498

Diamond specifications and retailer prices

From $411 USD
As of October 28, 2026
Save $416 USD (50%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $827 USD at MOH London · As of October 29, 2026
View at MOH London

About this 0.31ct natural cushion diamond

This 0.31ct natural cushion sits in the sub-half-carat band, graded H 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 2556254498. Listed at 8 retailers as of October 28, 2026, with prices from $411 to $827, a $416 spread on the same certified stone. MOH London lists it at $827. 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

0.31
Carat
H
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2556254498
Dimensions3.84 × 3.78 × 2.58 mm
L/W Ratio1.02
Top View
3.84 mm3.78 mm0.31 ctH / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 2556254498
Side View
Table 60.0%CrownGirdle: STK-VTKPavilionCulet: NDepth 68.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $827 USD|Low: $411 USD|High: $827 USD|Avg: $566 USD|+1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 29, 2026
Retailer 4$411 USD
Retailer 2$460 USD
Retailer 5$484 USD
Retailer 8$486 USD
Retailer 6$547 USD
Retailer 7$566 USD
Retailer 3$655 USD
MOH London$827 USD

43 data points across 8 retailers

8 retailers$411 USD to $827 USD

B+
Cheapest Retailer
-
$411 USD
B
Retailer 2
-
$460 USD
£362 GBP
View
B+
Retailer 3
-
$484 USD
£381 GBP
View
B+
Retailer 4
-
$486 USD
View
B
Retailer 5
-
$547 USD
ZAR 8,833 ZAR
View
B
Retailer 6
-
$566 USD
A$871 AUD
View
Price last confirmed 24 days ago
B
Retailer 7
-
$655 USD
€624 EUR
View
Most Expensive
B
MOH London
E4051D7B2 · Oct 29
$827 USD
£651 GBP
View
7 more retailers have this diamond
Prices start from $411 USDSave up to $416 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+
0.31ct Cushion
$411 USD