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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 $438 NZD
₹23,448 INR
As of November 2, 2026
Save $982 NZD (69%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,420 NZD 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 $438 to $1,420, a $982 spread on the same certified stone. MOH London lists it at $1,420. 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: $1,420 NZD|Low: $437 NZD|High: $2,357 NZD|Avg: $979 NZD|-1.3%
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 3, 2026
Retailer 5$438 NZD
Retailer 10$615 NZD
Retailer 9$663 NZD
Retailer 8$686 NZD
Retailer 2$796 NZD
Retailer 12$828 NZD
Retailer 7$843 NZD
Retailer 6$953 NZD
Retailer 3$985 NZD
Retailer 4$1,259 NZD
MOH London$1,420 NZD
Retailer 11$2,357 NZD

38 data points across 12 retailers

14 retailers$438 NZD to $1,420 NZD

A
Cheapest Retailer
-
$438 NZD
₹23,448 INR
B+
Retailer 2
-
$615 NZD
$346 USD
View
B+
Retailer 3
-
$663 NZD
$373 USD
View
B+
Retailer 4
-
$686 NZD
$386 USD
View
B+
Retailer 5
-
$709 NZD
$399 USD
View
B
Retailer 6
-
$796 NZD
£352 GBP
View
B
Retailer 7
-
$828 NZD
$466 USD
View
B+
Retailer 8
-
$843 NZD
£373 GBP
View
B
Retailer 9
-
$873 NZD
$491 USD
View
B
Retailer 10
-
$892 NZD
$502 USD
View
B
Retailer 11
-
$953 NZD
ZAR 8,663 ZAR
View
Retailer 12
-
$985 NZD
A$852 AUD
View
Price last confirmed 30 days ago
Most Expensive
B
MOH London
B9FEF39B6 · Nov 2
$1,420 NZD
£629 GBP
View
12 more retailers have this diamond
Prices start from $438 NZDSave up to $982 NZD

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
$438 NZD