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Round|Natural|GIA

0.31ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 2566481298

Certificate GIA 2566481298

Diamond specifications and retailer prices

From $352 NZD
₹18,898 INR
As of November 1, 2026
Save $795 NZD (69%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $2,248 NZD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.31ct natural round diamond

This 0.31ct natural round sits in the sub-half-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2566481298. Listed at 17 retailers as of November 1, 2026, with a 226% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 2566481298
Dimensions4.36 × 4.39 × 2.69 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
4.36 mm4.39 mm0.31 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2566481298
Side View
Table 59.0%Crown 33.5°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 61.5%

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 1
Current: $2,248 NZD|Low: $352 NZD|High: $2,323 NZD|Avg: $762 NZD|-3.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 2, 2026
Retailer 11$352 NZD
Retailer 9$432 NZD
Retailer 8$447 NZD
Retailer 14$497 NZD
Retailer 6$528 NZD
Retailer 15$554 NZD
Retailer 5$557 NZD
Retailer 4$579 NZD
Retailer 10$629 NZD
Retailer 16$653 NZD
Retailer 13$669 NZD
Retailer 7$741 NZD
Retailer 2$840 NZD
Retailer 3$868 NZD
Retailer 12$1,004 NZD
Retailer 17$1,147 NZD
NZ Jewellers$2,248 NZD

22 data points across 17 retailers

17 retailers$352 NZD to $1,147 NZD

A
Cheapest Retailer
-
$352 NZD
₹18,898 INR
A
Retailer 2
-
$432 NZD
HK$1,900 HKD
View
A
Retailer 3
-
$447 NZD
$252 USD
View
A
Retailer 4
-
$497 NZD
$280 USD
View
A
Retailer 5
-
$528 NZD
SGD 402 SGD
View
A
Retailer 6
-
$554 NZD
$312 USD
View
A
Retailer 7
-
$557 NZD
SGD 424 SGD
View
A
Retailer 8
-
$579 NZD
A$502 AUD
View
A
Retailer 9
-
$629 NZD
£279 GBP
View
A
Retailer 10
-
$653 NZD
$368 USD
View
A
Retailer 11
-
$669 NZD
$377 USD
View
B+
Retailer 12
-
$741 NZD
$418 USD
View
B+
Retailer 13
-
$840 NZD
€451 EUR
View
B+
Retailer 14
-
$868 NZD
$489 USD
View
B+
Retailer 15
-
$1,004 NZD
£446 GBP
View
B
Retailer 16
-
$1,147 NZD
£509 GBP
View
Most Expensive
NZ Jewellers
f98440c1-a12f-4388-b13c-82faf4528c48 · Oct 30
$2,248 NZD
$1,267 USD
View
Price under review
16 more retailers have this diamond
Prices start from $352 NZDSave up to $795 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 Round
$352 NZD