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Heart|Natural|GIA

0.31ct G SI1 Heart Natural Diamond

EX • G/SI1 • GIA 6562557149

Certificate GIA 6562557149

Diamond specifications and retailer prices

From $576 NZD
SGD 438 SGD
As of November 2, 2026
Save $282 NZD (33%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $858 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 6562557149. Listed at 7 retailers as of October 27, 2026, with prices from $576 to $858, a $282 spread on the same certified stone. Wholesale Diamonds Direct lists it at $858. 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 angle35.6°
Pavilion angle39.84°
OriginNatural
Grading LabGIA
CertificateGIA 6562557149
Dimensions4.22 × 4.75 × 2.76 mm
L/W Ratio1.13
Culet sizeNone
Top View
4.22 mm4.75 mm0.31 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6562557149
Side View
Table 59.0%Crown 35.6°Girdle: THN-STKPavilion 39.84°Culet: NoneDepth 58.1%

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: $772 NZD|Low: $576 NZD|High: $858 NZD|Avg: $731 NZD|+5.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Wholesale Diamonds Direct
November 2, 2026
Retailer 5$576 NZD
Retailer 3$681 NZD
Retailer 2$741 NZD
Retailer 4$750 NZD
Retailer 1$772 NZD
Wholesale Diamonds Direct$858 NZD

25 data points across 6 retailers

7 retailers$576 NZD to $858 NZD

A
Cheapest Retailer
-
$576 NZD
SGD 438 SGD
A
Retailer 2
-
$594 NZD
SGD 452 SGD
View
B+
Retailer 3
-
$681 NZD
$383 USD
View
B+
Retailer 4
-
$741 NZD
£328 GBP
View
B
Retailer 5
-
$750 NZD
$422 USD
View
B
Retailer 6
-
$772 NZD
£342 GBP
View
Most Expensive
B
Wholesale Diamonds Direct
496923486 · Oct 27
$858 NZD
$483 USD
View
6 more retailers have this diamond
Prices start from $576 NZDSave up to $282 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
$576 NZD