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Heart|Natural|GIA

0.31ct F SI1 Heart Natural Diamond

EX • F/SI1 • GIA 2556180939

Certificate GIA 2556180939

Diamond specifications and retailer prices

From $351 AUD
₹23,448 INR
As of November 2, 2026
Save $789 AUD (69%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,140 AUD at MOH London · As of November 2, 2026
View at MOH London

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 2556180939. Listed at 14 retailers as of November 2, 2026, with prices from $351 to $1,140, a $789 spread on the same certified stone. MOH London lists it at $1,140. 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
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 2556180939
Dimensions4.19 × 4.69 × 2.69 mm
L/W Ratio1.12
Top View
4.19 mm4.69 mm0.31 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 2556180939
Side View
Table 61.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 57.5%

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: $1,140 AUD|Low: $351 AUD|High: $1,892 AUD|Avg: $790 AUD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 2$351 AUD
Retailer 10$494 AUD
Retailer 9$532 AUD
Retailer 8$551 AUD
Retailer 5$639 AUD
Retailer 12$665 AUD
Retailer 7$676 AUD
Retailer 6$765 AUD
Retailer 3$791 AUD
Retailer 4$1,011 AUD
MOH London$1,140 AUD
Retailer 11$1,892 AUD

37 data points across 12 retailers

14 retailers$351 AUD to $1,140 AUD

A
Cheapest Retailer
-
$351 AUD
₹23,448 INR
B+
Retailer 2
-
$494 AUD
$346 USD
View
B+
Retailer 3
-
$532 AUD
$373 USD
View
B+
Retailer 4
-
$551 AUD
$386 USD
View
B+
Retailer 5
-
$569 AUD
$399 USD
View
B
Retailer 6
-
$639 AUD
£352 GBP
View
B
Retailer 7
-
$665 AUD
$466 USD
View
B+
Retailer 8
-
$676 AUD
£373 GBP
View
B
Retailer 9
-
$701 AUD
$491 USD
View
B
Retailer 10
-
$716 AUD
$502 USD
View
B
Retailer 11
-
$765 AUD
ZAR 8,663 ZAR
View
Retailer 12
-
$791 AUD
View
Price last confirmed 30 days ago
Most Expensive
B
MOH London
B9FEF39B6 · Nov 2
$1,140 AUD
£629 GBP
View
12 more retailers have this diamond
Prices start from $351 AUDSave up to $789 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
$351 AUD