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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 $587 NZD
$330 USD
As of November 2, 2026
Save $344 NZD (37%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $931 NZD 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 $587 to $931, a $344 spread on the same certified stone. Wholesale Diamonds Direct lists it at $931. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $838 NZD|Low: $415 NZD|High: $1,004 NZD|Avg: $744 NZD|-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$415 NZD
Retailer 4$587 NZD
Retailer 7$626 NZD
Retailer 6$702 NZD
Retailer 5$729 NZD
Retailer 3$805 NZD
Retailer 2$815 NZD
Retailer 1$838 NZD
Wholesale Diamonds Direct$931 NZD

37 data points across 9 retailers

8 retailers$587 NZD to $931 NZD

A
Cheapest Retailer
-
$587 NZD
$330 USD
A
Retailer 2
-
$626 NZD
SGD 476 SGD
View
B+
Retailer 3
-
$702 NZD
SGD 534 SGD
View
B+
Retailer 4
-
$729 NZD
$410 USD
View
B
Retailer 5
-
$805 NZD
£357 GBP
View
B
Retailer 6
-
$815 NZD
$459 USD
View
B+
Retailer 7
-
$838 NZD
£371 GBP
View
Most Expensive
B
Wholesale Diamonds Direct
545794715 · Oct 27
$931 NZD
$524 USD
View
7 more retailers have this diamond
Prices start from $587 NZDSave up to $344 NZD

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
$587 NZD