Cushion|Natural|GIA

0.31ct D SI1 Cushion Natural Diamond

EX • D/SI1 • GIA 5556389494

Certificate GIA 5556389494

Diamond specifications and retailer prices

From $470 USD
As of October 29, 2026
Save $522 USD (53%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $992 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 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 5556389494. Listed at 11 retailers as of October 29, 2026, with prices from $470 to $992, a $522 spread on the same certified stone. MOH London lists it at $992. 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
D
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5556389494
Dimensions3.93 × 3.92 × 2.68 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Etch Channel, Crystal, Twinning Wisp, Feather
Top View
3.93 mm3.92 mm0.31 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5556389494
Side View
Table 64.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 68.4%

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: Oct 29
Current: $992 USD|Low: $445 USD|High: $997 USD|Avg: $639 USD|+16.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 9$445 USD
Retailer 3$470 USD
Retailer 8$501 USD
Retailer 4$524 USD
Retailer 11$568 USD
Retailer 7$599 USD
Retailer 10$614 USD
Retailer 5$665 USD
Retailer 6$677 USD
Retailer 2$864 USD
MOH London$992 USD

30 data points across 11 retailers

11 retailers$470 USD to $992 USD

Retailer 1
-
$445 USD
Price last confirmed 10 days ago
A
Retailer 2
-
$470 USD
View
A
Retailer 3
-
$501 USD
View
B+
Retailer 4
-
$524 USD
£413 GBP
View
B+
Retailer 5
-
$568 USD
View
B+
Retailer 6
-
$599 USD
£471 GBP
View
B+
Retailer 7
-
$614 USD
View
B+
Retailer 8
-
$665 USD
€633 EUR
View
B+
Retailer 9
-
$677 USD
ZAR 10,940 ZAR
View
B
Retailer 10
-
$864 USD
£680 GBP
View
Most Expensive
B
MOH London
0AB137A9B · Oct 29
$992 USD
£781 GBP
View
10 more retailers have this diamond
Prices start from $470 USDSave up to $522 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
0.31ct Cushion
$470 USD