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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 $550 NZD
$310 USD
As of October 31, 2026
Save $292 NZD (35%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $842 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 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 $550 to $842, a $292 spread on the same certified stone. Wholesale Diamonds Direct lists it at $842. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $762 NZD|Low: $381 NZD|High: $920 NZD|Avg: $683 NZD|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Wholesale Diamonds Direct
November 2, 2026
Retailer 7$381 NZD
Retailer 6$550 NZD
Retailer 5$567 NZD
Retailer 4$654 NZD
Retailer 3$731 NZD
Retailer 2$739 NZD
Retailer 1$762 NZD
Wholesale Diamonds Direct$842 NZD

36 data points across 8 retailers

7 retailers$550 NZD to $842 NZD

A
Cheapest Retailer
-
$550 NZD
$310 USD
A
Retailer 2
-
$567 NZD
SGD 432 SGD
View
B+
Retailer 3
-
$654 NZD
SGD 498 SGD
View
B+
Retailer 4
-
$731 NZD
£324 GBP
View
B+
Retailer 5
-
$739 NZD
$417 USD
View
B+
Retailer 6
-
$762 NZD
£338 GBP
View
Most Expensive
B+
Wholesale Diamonds Direct
415436869 · Oct 27
$842 NZD
$475 USD
View
6 more retailers have this diamond
Prices start from $550 NZDSave up to $292 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
$550 NZD