Heart|Natural|GIA

0.31ct I SI1 Heart Natural Diamond

EX • I/SI1 • GIA 6562745373

Certificate GIA 6562745373

Diamond specifications and retailer prices

From $385 USD
£303 GBP
As of November 2, 2026
Save $310 USD (45%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $695 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6562745373. Listed at 4 retailers as of November 2, 2026, with prices from $385 to $695, a $310 spread on the same certified stone. MOH London lists it at $695. 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
I
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6562745373
Dimensions3.99 × 4.63 × 2.79 mm
L/W Ratio1.16
Key to symbols
Feather
Top View
3.99 mm4.63 mm0.31 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6562745373
Side View
Table 63.0%CrownGirdle: THK-ETKPavilionCulet: NoneDepth 60.3%

Caratlytics Score

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

Price History

Last verified: Nov 2
Current: $695 USD|Low: $382 USD|High: $695 USD|Avg: $462 USD
MOH London
Retailer 2
Retailer 3
Retailer 4
November 2, 2026
Retailer 2$385 USD
Retailer 4$442 USD
Retailer 3$468 USD
MOH London$695 USD

5 data points across 4 retailers

4 retailers$385 USD to $695 USD

B+
Cheapest Retailer
-
$385 USD
£303 GBP
B
Retailer 2
-
$442 USD
View
B
Retailer 3
-
$468 USD
View
Most Expensive
B
MOH London
C89490FA3 · Nov 2
$695 USD
£547 GBP
View
3 more retailers have this diamond
Prices start from $385 USDSave up to $310 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.

B+
0.31ct Heart
$385 USD