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Heart|Natural|GIA

0.31ct G SI1 Heart Natural Diamond

EX • G/SI1 • GIA 7566130672

Certificate GIA 7566130672

Diamond specifications and retailer prices

From $422 SGD
$330 USD
As of October 31, 2026
Save $248 SGD (37%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $670 SGD 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7566130672. Listed at 8 retailers as of October 27, 2026, with prices from $422 to $670, a $248 spread on the same certified stone. Wholesale Diamonds Direct lists it at $670. 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 angle36.16°
Pavilion angle40.62°
OriginNatural
Grading LabGIA
CertificateGIA 7566130672
Dimensions4.05 × 4.72 × 2.81 mm
L/W Ratio1.17
Culet sizeNone
Top View
4.05 mm4.72 mm0.31 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7566130672
Side View
Table 59.0%Crown 36.16°Girdle: MED-THKPavilion 40.62°Culet: NoneDepth 59.6%

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: $603 SGD|Low: $298 SGD|High: $722 SGD|Avg: $535 SGD|-0.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Wholesale Diamonds Direct
November 2, 2026
Retailer 8$298 SGD
Retailer 4$422 SGD
Retailer 7$450 SGD
Retailer 6$505 SGD
Retailer 5$524 SGD
Retailer 3$579 SGD
Retailer 2$586 SGD
Retailer 1$603 SGD
Wholesale Diamonds Direct$670 SGD

37 data points across 9 retailers

8 retailers$422 SGD to $670 SGD

A
Cheapest Retailer
-
$422 SGD
$330 USD
A
Retailer 2
-
$450 SGD
View
B+
Retailer 3
-
$505 SGD
View
B+
Retailer 4
-
$524 SGD
$410 USD
View
B
Retailer 5
-
$579 SGD
£357 GBP
View
B
Retailer 6
-
$586 SGD
$459 USD
View
B+
Retailer 7
-
$603 SGD
£371 GBP
View
Most Expensive
B
Wholesale Diamonds Direct
545794715 · Oct 27
$670 SGD
$524 USD
View
7 more retailers have this diamond
Prices start from $422 SGDSave up to $248 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
$422 SGD