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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 $278 CAD
₹18,968 INR
As of October 30, 2026
Save $625 CAD (69%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,770 CAD 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 26, 2026, with a 225% 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
Color
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: Oct 30
Current: $1,770 CAD|Low: $277 CAD|High: $1,829 CAD|Avg: $610 CAD|-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
October 30, 2026
Retailer 10$278 CAD
Retailer 9$340 CAD
Retailer 8$352 CAD
Retailer 14$391 CAD
Retailer 6$416 CAD
Retailer 15$436 CAD
Retailer 5$438 CAD
Retailer 4$455 CAD
Retailer 12$499 CAD
Retailer 16$514 CAD
Retailer 2$527 CAD
Retailer 7$583 CAD
Retailer 13$663 CAD
Retailer 3$683 CAD
Retailer 11$793 CAD
Retailer 17$903 CAD
NZ Jewellers$1,770 CAD

21 data points across 17 retailers

17 retailers$278 CAD to $903 CAD

A
Cheapest Retailer
-
$278 CAD
₹18,968 INR
A
Retailer 2
-
$340 CAD
HK$1,900 HKD
View
A
Retailer 3
-
$352 CAD
$252 USD
View
A
Retailer 4
-
$391 CAD
$280 USD
View
A
Retailer 5
-
$416 CAD
SGD 402 SGD
View
A
Retailer 6
-
$436 CAD
$312 USD
View
A
Retailer 7
-
$438 CAD
SGD 424 SGD
View
A
Retailer 8
-
$455 CAD
A$502 AUD
View
A
Retailer 9
-
$499 CAD
£281 GBP
View
A
Retailer 10
-
$514 CAD
$368 USD
View
A
Retailer 11
-
$527 CAD
$377 USD
View
B+
Retailer 12
-
$583 CAD
$418 USD
View
B+
Retailer 13
-
$663 CAD
€452 EUR
View
B+
Retailer 14
-
$683 CAD
$489 USD
View
B+
Retailer 15
-
$793 CAD
£447 GBP
View
B
Retailer 16
-
$903 CAD
£509 GBP
View
Most Expensive
NZ Jewellers
f98440c1-a12f-4388-b13c-82faf4528c48 · Oct 30
$1,770 CAD
$1,267 USD
View
Price under review
16 more retailers have this diamond
Prices start from $278 CADSave up to $625 CAD

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
$278 CAD