Heart|Natural|GIA

0.31ct F SI1 Heart Natural Diamond

EX • F/SI1 • GIA 2556180939

Certificate GIA 2556180939

Diamond specifications and retailer prices

From $246 USD
₹23,448 INR
As of November 2, 2026
Save $553 USD (69%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $799 USD 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 $246 to $799, a $553 spread on the same certified stone. MOH London lists it at $799. 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
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $799 USD|Low: $246 USD|High: $1,326 USD|Avg: $554 USD|-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$246 USD
Retailer 10$346 USD
Retailer 9$373 USD
Retailer 8$386 USD
Retailer 5$448 USD
Retailer 12$466 USD
Retailer 7$474 USD
Retailer 6$536 USD
Retailer 3$554 USD
Retailer 4$709 USD
MOH London$799 USD
Retailer 11$1,326 USD

37 data points across 12 retailers

14 retailers$246 USD to $799 USD

A
Cheapest Retailer
-
$246 USD
₹23,448 INR
B+
Retailer 2
-
$346 USD
View
B+
Retailer 3
-
$373 USD
View
B+
Retailer 4
-
$386 USD
View
B+
Retailer 5
-
$399 USD
View
B
Retailer 6
-
$448 USD
£352 GBP
View
B
Retailer 7
-
$466 USD
View
B+
Retailer 8
-
$474 USD
£373 GBP
View
B
Retailer 9
-
$491 USD
View
B
Retailer 10
-
$502 USD
View
B
Retailer 11
-
$536 USD
ZAR 8,663 ZAR
View
Retailer 12
-
$554 USD
A$852 AUD
View
Price last confirmed 29 days ago
Most Expensive
B
MOH London
B9FEF39B6 · Nov 2
$799 USD
£629 GBP
View
12 more retailers have this diamond
Prices start from $246 USDSave up to $553 USD

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
$246 USD