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Round|Natural|GIA

0.31ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 6561316825

Certificate GIA 6561316825

Diamond specifications and retailer prices

From $308 CAD
₹20,969 INR
As of October 30, 2026
Save $665 CAD (68%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,904 CAD at NZ Jewellers · As of October 23, 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 6561316825. Listed at 16 retailers as of October 25, 2026, with a 216% 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 angle35.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6561316825
Dimensions4.34 × 4.32 × 2.70 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Top View
4.34 mm4.32 mm0.31 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6561316825
Side View
Table 56.0%Crown 35.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.4%

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: $1,904 CAD|Low: $306 CAD|High: $1,904 CAD|Avg: $635 CAD|+12.9%
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
October 30, 2026
Retailer 2$308 CAD
Retailer 5$353 CAD
Retailer 14$375 CAD
Retailer 15$388 CAD
Retailer 7$446 CAD
Retailer 3$457 CAD
Retailer 13$487 CAD
Retailer 6$496 CAD
Retailer 10$535 CAD
Retailer 4$566 CAD
Retailer 11$605 CAD
Retailer 16$618 CAD
Retailer 9$652 CAD
Retailer 8$729 CAD
Retailer 12$972 CAD
NZ Jewellers$1,904 CAD

27 data points across 16 retailers

16 retailers$308 CAD to $972 CAD

A
Cheapest Retailer
-
$308 CAD
₹20,969 INR
A
Retailer 2
-
$353 CAD
$253 USD
View
A
Retailer 3
-
$375 CAD
HK$2,100 HKD
View
A
Retailer 4
-
$388 CAD
$278 USD
View
Final sale: no returns
Retailer 5
-
$446 CAD
$319 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$457 CAD
SGD 442 SGD
View
A
Retailer 7
-
$487 CAD
A$537 AUD
View
Retailer 8
-
$496 CAD
$355 USD
View
Price last confirmed 8 days ago
A
Retailer 9
-
$535 CAD
£302 GBP
View
Retailer 10
-
$566 CAD
$405 USD
View
Price last confirmed 7 days ago
B+
Retailer 11
-
$605 CAD
$433 USD
View
B+
Retailer 12
-
$618 CAD
$442 USD
View
B+
Retailer 13
-
$652 CAD
ZAR 7,537 ZAR
View
Retailer 14
-
$705 CAD
A$776 AUD
View
Price last confirmed 26 days ago
B
Retailer 15
-
$972 CAD
£548 GBP
View
Most Expensive
NZ Jewellers
42869dcb-cb0e-4621-99dc-c76e31ff19b6 · Oct 23
$1,904 CAD
$1,363 USD
View
Price under review
15 more retailers have this diamond
Prices start from $308 CADSave up to $665 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
$308 CAD