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Heart|Natural|GIA

0.31ct F SI1 Heart Natural Diamond

EX • F/SI1 • GIA 3565584441

Certificate GIA 3565584441

Diamond specifications and retailer prices

From $528 AUD
$370 USD
As of November 2, 2026
Save $193 AUD (27%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $721 AUD at DreamStone · As of October 31, 2026
View at DreamStone

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 3565584441. Listed at 6 retailers as of October 31, 2026, with prices from $528 to $721, a $193 spread on the same certified stone. DreamStone lists it at $721. 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
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36.29°
Pavilion angle38.88°
OriginNatural
Grading LabGIA
CertificateGIA 3565584441
Dimensions4.10 × 4.71 × 2.78 mm
L/W Ratio1.15
Culet sizeNone
Top View
4.10 mm4.71 mm0.31 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 3565584441
Side View
Table 58.0%Crown 36.29°Girdle: MED-VTKPavilion 38.88°Culet: NoneDepth 59.0%

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: $721 AUD|Low: $528 AUD|High: $721 AUD|Avg: $630 AUD
DreamStone
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 3, 2026
Retailer 4$528 AUD
Retailer 6$553 AUD
Retailer 5$634 AUD
Retailer 2$676 AUD
Retailer 3$712 AUD
DreamStone$721 AUD

4 data points across 6 retailers

6 retailers$528 AUD to $721 AUD

B+
Cheapest Retailer
-
$528 AUD
$370 USD
B+
Retailer 2
-
$553 AUD
SGD 524 SGD
View
B
Retailer 3
-
$634 AUD
$444 USD
View
B+
Retailer 4
-
$676 AUD
£373 GBP
View
B
Retailer 5
-
$712 AUD
£393 GBP
View
Most Expensive
B
DreamStone
2712003 · Oct 31
$721 AUD
$505 USD
View
5 more retailers have this diamond
Prices start from $528 AUDSave up to $193 AUD

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
$528 AUD