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Heart|Natural|GIA

0.31ct D SI2 Heart Natural Diamond

EX • D/SI2 • GIA 7563198391

Certificate GIA 7563198391

Diamond specifications and retailer prices

From $704 AUD
£389 GBP
As of November 1, 2026
Save $554 AUD (44%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,258 AUD at MOH London · As of October 26, 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 D 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 7563198391. Listed at 5 retailers as of October 26, 2026, with prices from $704 to $1,258, a $554 spread on the same certified stone. MOH London lists it at $1,258. 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
D
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7563198391
Dimensions4.10 × 4.67 × 2.86 mm
L/W Ratio1.14
Key to symbols
Crystal, Feather
Top View
4.10 mm4.67 mm0.31 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7563198391
Side View
Table 58.0%CrownGirdle: THN-ETKPavilionCulet: NoneDepth 61.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $1,258 AUD|Low: $390 AUD|High: $1,273 AUD|Avg: $697 AUD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 5$390 AUD
Retailer 6$434 AUD
Retailer 2$704 AUD
Retailer 3$746 AUD
Retailer 4$766 AUD
MOH London$1,258 AUD

40 data points across 6 retailers

5 retailers$704 AUD to $1,258 AUD

Retailer 1
-
$390 AUD
₹26,118 INR
Price last confirmed 14 days ago
B+
Retailer 2
-
$704 AUD
£389 GBP
View
B
Retailer 3
-
$746 AUD
£413 GBP
View
B+
Retailer 4
-
$766 AUD
$538 USD
View
Most Expensive
B
MOH London
278AABED3 · Oct 26
$1,258 AUD
£696 GBP
View
4 more retailers have this diamond
Prices start from $704 AUDSave up to $554 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.

B+
0.31ct Heart
$704 AUD