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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 $254 SGD
₹18,902 INR
As of October 31, 2026
Save $573 SGD (69%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,620 SGD 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 October 31, 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

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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 31
Current: $1,620 SGD|Low: $254 SGD|High: $1,673 SGD|Avg: $550 SGD|-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 1, 2026
Retailer 10$254 SGD
Retailer 9$311 SGD
Retailer 8$322 SGD
Retailer 14$358 SGD
Retailer 6$380 SGD
Retailer 15$399 SGD
Retailer 5$401 SGD
Retailer 4$417 SGD
Retailer 2$453 SGD
Retailer 16$471 SGD
Retailer 12$482 SGD
Retailer 7$534 SGD
Retailer 11$608 SGD
Retailer 3$625 SGD
Retailer 13$726 SGD
Retailer 17$826 SGD
NZ Jewellers$1,620 SGD

22 data points across 17 retailers

17 retailers$254 SGD to $826 SGD

A
Cheapest Retailer
-
$254 SGD
₹18,902 INR
A
Retailer 2
-
$311 SGD
HK$1,900 HKD
View
A
Retailer 3
-
$322 SGD
$252 USD
View
A
Retailer 4
-
$358 SGD
$280 USD
View
A
Retailer 5
-
$380 SGD
View
A
Retailer 6
-
$399 SGD
$312 USD
View
A
Retailer 7
-
$401 SGD
View
A
Retailer 8
-
$417 SGD
A$502 AUD
View
A
Retailer 9
-
$453 SGD
£279 GBP
View
A
Retailer 10
-
$471 SGD
$368 USD
View
A
Retailer 11
-
$482 SGD
$377 USD
View
B+
Retailer 12
-
$534 SGD
$418 USD
View
B+
Retailer 13
-
$608 SGD
€453 EUR
View
B+
Retailer 14
-
$625 SGD
$489 USD
View
B+
Retailer 15
-
$726 SGD
£447 GBP
View
B
Retailer 16
-
$826 SGD
£509 GBP
View
Most Expensive
NZ Jewellers
f98440c1-a12f-4388-b13c-82faf4528c48 · Oct 30
$1,620 SGD
$1,267 USD
View
Price under review
16 more retailers have this diamond
Prices start from $254 SGDSave up to $573 SGD

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
$254 SGD