Round|Natural|GIA

0.31ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 2554743066

Certificate GIA 2554743066

Diamond specifications and retailer prices

From $322 CAD
HK$1,800 HKD
As of October 24, 2026
Save $310 CAD (49%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,830 CAD at NZ Jewellers · As of September 28, 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 2554743066. Listed at 18 retailers as of October 24, 2026, with a 96% 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
FluorescenceFaint
Crown angle33°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2554743066
Dimensions4.36 × 4.37 × 2.67 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Crystal
Top View
4.36 mm4.37 mm0.31 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2554743066
Side View
Table 57.0%Crown 33°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.1%

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 24
Current: $632 CAD|Low: $261 CAD|High: $937 CAD|Avg: $524 CAD|-6.5%
Retailer 1
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
October 24, 2026
Retailer 10$261 CAD
Retailer 3$322 CAD
Retailer 13$348 CAD
Retailer 12$397 CAD
Retailer 6$432 CAD
Retailer 8$434 CAD
Retailer 9$436 CAD
Retailer 11$545 CAD
Retailer 4$557 CAD
Retailer 14$569 CAD
Retailer 1$632 CAD
Retailer 5$642 CAD
Retailer 7$647 CAD
Retailer 2$860 CAD

25 data points across 14 retailers

18 retailers$322 CAD to $632 CAD

Retailer 1
-
$261 CAD
₹17,816 INR
Price last confirmed 8 days ago
A
Retailer 2
-
$322 CAD
HK$1,800 HKD
View
Retailer 3
-
$348 CAD
$249 USD
View
Price last confirmed 8 days ago
Retailer 4
-
$397 CAD
SGD 384 SGD
View
Price last confirmed 7 days ago
Retailer 5
-
$401 CAD
$287 USD
View
Price last confirmed 29 days ago
Retailer 6
-
$434 CAD
£244 GBP
View
Price last confirmed 7 days ago
Retailer 7
-
$436 CAD
$312 USD
View
Price last confirmed 7 days ago
Retailer 8
-
$440 CAD
A$484 AUD
View
Price last confirmed 7 days ago
Retailer 9
-
$451 CAD
$323 USD
View
Price last confirmed 31 days ago
Retailer 10
-
$543 CAD
$389 USD
View
Price last confirmed 31 days ago
Retailer 11
-
$545 CAD
$390 USD
View
Price last confirmed 7 days ago
Retailer 12
-
$557 CAD
$399 USD
View
Price last confirmed 11 days ago
Retailer 13
-
$569 CAD
ZAR 6,585 ZAR
View
Price last confirmed 9 days ago
B+
Retailer 14
-
$632 CAD
€431 EUR
View
Retailer 15
-
$642 CAD
A$707 AUD
View
Price last confirmed 26 days ago
Retailer 16
-
$647 CAD
$463 USD
View
Price last confirmed 7 days ago
Retailer 17
-
$860 CAD
£485 GBP
View
Price last confirmed 9 days ago
Most Expensive
NZ Jewellers
35785c8d-be8e-4bb3-aeb3-d9872576647c · Sep 28
$1,830 CAD
$1,310 USD
View
Price under review
17 more retailers have this diamond
Prices start from $322 CADSave up to $310 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
$322 CAD