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Heart|Natural|GIA

0.31ct G SI1 Heart Natural Diamond

EX • G/SI1 • GIA 2528279907

Certificate GIA 2528279907

Diamond specifications and retailer prices

From $489 AUD
SGD 463 SGD
As of November 3, 2026
Save $239 AUD (33%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $728 AUD at Wholesale Diamonds Direct · As of November 3, 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2528279907. Listed at 7 retailers as of November 3, 2026, with prices from $489 to $728, a $239 spread on the same certified stone. Wholesale Diamonds Direct lists it at $728. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36.71°
Pavilion angle40.57°
OriginNatural
Grading LabGIA
CertificateGIA 2528279907
Dimensions4.07 × 4.74 × 2.82 mm
L/W Ratio1.16
Culet sizeNone
Top View
4.07 mm4.74 mm0.31 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2528279907
Side View
Table 59.0%Crown 36.71°Girdle: THN-THKPavilion 40.57°Culet: NoneDepth 59.4%

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: Nov 3
Current: $564 AUD|Low: $489 AUD|High: $794 AUD|Avg: $644 AUD|-5.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Wholesale Diamonds Direct
November 3, 2026
Retailer 2$489 AUD
Retailer 1$564 AUD
Retailer 6$581 AUD
Retailer 5$642 AUD
Retailer 4$649 AUD
Retailer 3$655 AUD
Wholesale Diamonds Direct$728 AUD

36 data points across 7 retailers

7 retailers$489 AUD to $728 AUD

A
Cheapest Retailer
-
$489 AUD
SGD 463 SGD
B+
Retailer 2
-
$564 AUD
SGD 534 SGD
View
B+
Retailer 3
-
$581 AUD
$407 USD
View
B
Retailer 4
-
$642 AUD
£354 GBP
View
B+
Retailer 5
-
$649 AUD
$455 USD
View
B
Retailer 6
-
$655 AUD
£361 GBP
View
Most Expensive
Wholesale Diamonds Direct
545794638 · Nov 3
$728 AUD
$510 USD
View
6 more retailers have this diamond
Prices start from $489 AUDSave up to $239 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
$489 AUD