CaratHunter
Plans
Cushion|Natural|GIA

0.31ct D SI1 Cushion Natural Diamond

EX • D/SI1 • GIA 2557183012

Certificate GIA 2557183012

Diamond specifications and retailer prices

From $599 NZD
₹32,087 INR
As of November 2, 2026
Save $1,309 NZD (69%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,907 NZD at MOH London · As of November 1, 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 2557183012. Listed at 10 retailers as of November 1, 2026, with prices from $599 to $1,907, a $1,309 spread on the same certified stone. MOH London lists it at $1,907. 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
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 2557183012
Dimensions3.85 × 3.82 × 2.55 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Feather
Top View
3.85 mm3.82 mm0.31 ctD / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
CertificateGIA 2557183012
Side View
Table 63.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 66.8%

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 2
Current: $1,907 NZD|Low: $598 NZD|High: $1,932 NZD|Avg: $1,183 NZD|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 2$599 NZD
Retailer 8$890 NZD
Retailer 3$1,030 NZD
Retailer 6$1,132 NZD
Retailer 4$1,248 NZD
Retailer 5$1,281 NZD
Retailer 7$1,323 NZD
MOH London$1,907 NZD

37 data points across 8 retailers

10 retailers$599 NZD to $1,907 NZD

A
Cheapest Retailer
-
$599 NZD
₹32,087 INR
B+
Retailer 2
-
$953 NZD
$536 USD
View
B+
Retailer 3
-
$1,030 NZD
£456 GBP
View
B+
Retailer 4
-
$1,054 NZD
$593 USD
View
B+
Retailer 5
-
$1,132 NZD
£502 GBP
View
B
Retailer 6
-
$1,169 NZD
$658 USD
View
B+
Retailer 7
-
$1,248 NZD
€669 EUR
View
B+
Retailer 8
-
$1,281 NZD
ZAR 11,645 ZAR
View
Retailer 9
-
$1,323 NZD
A$1,146 AUD
View
Price last confirmed 30 days ago
Most Expensive
B
MOH London
7E8B7E201 · Nov 1
$1,907 NZD
£845 GBP
View
9 more retailers have this diamond
Prices start from $599 NZDSave up to $1,309 NZD

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
$599 NZD