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Heart|Natural|GIA

0.31ct F SI1 Heart Natural Diamond

EX • F/SI1 • GIA 2566525326

Certificate GIA 2566525326

Diamond specifications and retailer prices

From $545 CAD
$390 USD
As of November 2, 2026
Save $310 CAD (36%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $855 CAD at Wholesale Diamonds Direct · As of October 27, 2026
View at Wholesale Diamonds Direct

About this 0.31ct natural heart diamond

This 0.31ct natural heart sits in the sub-half-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2566525326. Listed at 8 retailers as of October 27, 2026, with prices from $545 to $855, a $310 spread on the same certified stone. Wholesale Diamonds Direct lists it at $855. 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
F
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36.08°
Pavilion angle39.86°
OriginNatural
Grading LabGIA
CertificateGIA 2566525326
Dimensions4.13 × 4.65 × 2.73 mm
L/W Ratio1.13
Culet sizeNone
Top View
4.13 mm4.65 mm0.31 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2566525326
Side View
Table 59.0%Crown 36.08°Girdle: STK-THKPavilion 39.86°Culet: NoneDepth 58.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $704 CAD|Low: $545 CAD|High: $855 CAD|Avg: $690 CAD|+5.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Wholesale Diamonds Direct
November 2, 2026
Retailer 5$545 CAD
Retailer 6$577 CAD
Retailer 4$653 CAD
Retailer 1$704 CAD
Retailer 2$742 CAD
Retailer 3$750 CAD
Wholesale Diamonds Direct$855 CAD

26 data points across 7 retailers

8 retailers$545 CAD to $855 CAD

B+
Cheapest Retailer
-
$545 CAD
$390 USD
B+
Retailer 2
-
$577 CAD
SGD 558 SGD
View
B+
Retailer 3
-
$624 CAD
SGD 603 SGD
View
B+
Retailer 4
-
$653 CAD
$467 USD
View
B
Retailer 5
-
$704 CAD
£397 GBP
View
B
Retailer 6
-
$742 CAD
£418 GBP
View
B
Retailer 7
-
$750 CAD
$537 USD
View
Most Expensive
B
Wholesale Diamonds Direct
482426092 · Oct 27
$855 CAD
$612 USD
View
7 more retailers have this diamond
Prices start from $545 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.

B+
0.31ct Heart
$545 CAD