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Heart|Natural|GIA

0.31ct F SI2 Heart Natural Diamond

EX • F/SI2 • GIA 1568385456

Certificate GIA 1568385456

Diamond specifications and retailer prices

From $428 AUD
$300 USD
As of November 2, 2026
Save $234 AUD (35%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $662 AUD 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1568385456. Listed at 7 retailers as of October 27, 2026, with prices from $428 to $662, a $234 spread on the same certified stone. Wholesale Diamonds Direct lists it at $662. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
Crown angle35.02°
Pavilion angle39.15°
OriginNatural
Grading LabGIA
CertificateGIA 1568385456
Dimensions4.16 × 4.69 × 2.74 mm
L/W Ratio1.13
Culet sizeNone
Top View
4.16 mm4.69 mm0.31 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 1568385456
Side View
Table 58.0%Crown 35.02°Girdle: STK-THKPavilion 39.15°Culet: NoneDepth 58.4%

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: Nov 2
Current: $596 AUD|Low: $428 AUD|High: $674 AUD|Avg: $548 AUD|+3.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Wholesale Diamonds Direct
November 2, 2026
Retailer 6$428 AUD
Retailer 5$445 AUD
Retailer 4$515 AUD
Retailer 3$572 AUD
Retailer 2$579 AUD
Retailer 1$596 AUD
Wholesale Diamonds Direct$662 AUD

34 data points across 7 retailers

7 retailers$428 AUD to $662 AUD

A
Cheapest Retailer
-
$428 AUD
$300 USD
A
Retailer 2
-
$445 AUD
SGD 421 SGD
View
B+
Retailer 3
-
$515 AUD
SGD 488 SGD
View
B+
Retailer 4
-
$572 AUD
£316 GBP
View
B+
Retailer 5
-
$579 AUD
$405 USD
View
B+
Retailer 6
-
$596 AUD
£329 GBP
View
Most Expensive
B
Wholesale Diamonds Direct
415432124 · Oct 27
$662 AUD
$464 USD
View
6 more retailers have this diamond
Prices start from $428 AUDSave up to $234 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.

A
0.31ct Heart
$428 AUD