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Heart|Natural|GIA

0.31ct G SI2 Heart Natural Diamond

EX • G/SI2 • GIA 6561198401

Certificate GIA 6561198401

Diamond specifications and retailer prices

From $442 AUD
$310 USD
As of October 31, 2026
Save $235 AUD (35%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $677 AUD at Wholesale Diamonds Direct · As of October 27, 2026
View at Wholesale Diamonds Direct

About this 0.31ct natural heart diamond

This 0.31ct natural heart sits in the sub-half-carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6561198401. Listed at 7 retailers as of October 27, 2026, with prices from $442 to $677, a $235 spread on the same certified stone. Wholesale Diamonds Direct lists it at $677. 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
G
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle34.61°
Pavilion angle40.34°
OriginNatural
Grading LabGIA
CertificateGIA 6561198401
Dimensions4.14 × 4.65 × 2.71 mm
L/W Ratio1.12
Culet sizeNone
Top View
4.14 mm4.65 mm0.31 ctG / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 6561198401
Side View
Table 59.0%Crown 34.61°Girdle: THN-THKPavilion 40.34°Culet: NoneDepth 58.3%

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: Oct 31
Current: $612 AUD|Low: $306 AUD|High: $740 AUD|Avg: $549 AUD|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Wholesale Diamonds Direct
November 2, 2026
Retailer 7$306 AUD
Retailer 6$442 AUD
Retailer 5$456 AUD
Retailer 4$526 AUD
Retailer 3$588 AUD
Retailer 2$595 AUD
Retailer 1$612 AUD
Wholesale Diamonds Direct$677 AUD

36 data points across 8 retailers

7 retailers$442 AUD to $677 AUD

A
Cheapest Retailer
-
$442 AUD
$310 USD
A
Retailer 2
-
$456 AUD
SGD 432 SGD
View
B+
Retailer 3
-
$526 AUD
SGD 498 SGD
View
B+
Retailer 4
-
$588 AUD
£324 GBP
View
B+
Retailer 5
-
$595 AUD
$417 USD
View
B+
Retailer 6
-
$612 AUD
£338 GBP
View
Most Expensive
B+
Wholesale Diamonds Direct
415436869 · Oct 27
$677 AUD
$475 USD
View
6 more retailers have this diamond
Prices start from $442 AUDSave up to $235 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.

A
0.31ct Heart
$442 AUD