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Heart|Natural|GIA

0.31ct F SI1 Heart Natural Diamond

EX • F/SI1 • GIA 2557423267

Certificate GIA 2557423267

Diamond specifications and retailer prices

From $362 SGD
₹26,961 INR
As of November 2, 2026
Save $420 SGD (54%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,166 SGD 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 2557423267. Listed at 14 retailers as of October 30, 2026, with a 116% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
PolishVery Good
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2557423267
Dimensions4.11 × 4.70 × 2.79 mm
L/W Ratio1.14
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Twinning Wisp
Top View
4.11 mm4.70 mm0.31 ctF / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2557423267
Side View
Table 61.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 59.3%

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: $1,166 SGD|Low: $361 SGD|High: $1,934 SGD|Avg: $800 SGD|-1.0%
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$362 SGD
Retailer 10$505 SGD
Retailer 8$544 SGD
Retailer 9$544 SGD
Retailer 12$582 SGD
Retailer 5$659 SGD
Retailer 7$692 SGD
Retailer 6$782 SGD
Retailer 3$808 SGD
Retailer 4$1,034 SGD
MOH London$1,166 SGD
Retailer 11$1,934 SGD

37 data points across 12 retailers

14 retailers$362 SGD to $782 SGD

A
Cheapest Retailer
-
$362 SGD
₹26,961 INR
B+
Retailer 2
-
$477 SGD
$373 USD
View
B+
Retailer 3
-
$505 SGD
$395 USD
View
B+
Retailer 4
-
$544 SGD
$425 USD
View
B+
Retailer 5
-
$544 SGD
$425 USD
View
B
Retailer 6
-
$582 SGD
$455 USD
View
B
Retailer 7
-
$659 SGD
£406 GBP
View
B
Retailer 8
-
$680 SGD
$532 USD
View
B
Retailer 9
-
$692 SGD
£426 GBP
View
B
Retailer 10
-
$782 SGD
ZAR 9,884 ZAR
View
Retailer 11
-
$808 SGD
A$972 AUD
View
Price last confirmed 29 days ago
Retailer 12
-
$1,034 SGD
£636 GBP
View
Price last confirmed 33 days ago
Most Expensive
MOH London
BDFA9C17F · Nov 2
$1,166 SGD
£718 GBP
View
Price under review
12 more retailers have this diamond
Prices start from $362 SGDSave up to $420 SGD

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
$362 SGD