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Heart|Natural|GIA

0.31ct G SI1 Heart Natural Diamond

EX • G/SI1 • GIA 5563390004

Certificate GIA 5563390004

Diamond specifications and retailer prices

From $640 NZD
$360 USD
As of November 2, 2026
Save $254 NZD (28%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,018 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 5563390004. Listed at 8 retailers as of October 31, 2026, with a 40% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle37.32°
Pavilion angle39.3°
OriginNatural
Grading LabGIA
CertificateGIA 5563390004
Dimensions4.13 × 4.66 × 2.67 mm
L/W Ratio1.13
Culet sizeNone
Top View
4.13 mm4.66 mm0.31 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5563390004
Side View
Table 58.0%Crown 37.32°Girdle: MED-VTKPavilion 39.3°Culet: NoneDepth 57.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $839 NZD|Low: $640 NZD|High: $1,018 NZD|Avg: $815 NZD|+4.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Wholesale Diamonds Direct
November 2, 2026
Retailer 6$640 NZD
Retailer 7$687 NZD
Retailer 3$755 NZD
Retailer 5$786 NZD
Retailer 1$839 NZD
Retailer 2$884 NZD
Retailer 4$894 NZD
Wholesale Diamonds Direct$1,018 NZD

29 data points across 8 retailers

8 retailers$640 NZD to $894 NZD

B+
Cheapest Retailer
-
$640 NZD
$360 USD
B+
Retailer 2
-
$687 NZD
SGD 522 SGD
View
B+
Retailer 3
-
$755 NZD
SGD 574 SGD
View
B
Retailer 4
-
$786 NZD
$442 USD
View
B+
Retailer 5
-
$839 NZD
£372 GBP
View
B
Retailer 6
-
$884 NZD
£392 GBP
View
B
Retailer 7
-
$894 NZD
$503 USD
View
Most Expensive
B
Wholesale Diamonds Direct
465935600 · Oct 27
$1,018 NZD
$573 USD
View
Price last confirmed 7 days ago
7 more retailers have this diamond
Prices start from $640 NZDSave up to $254 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.

B+
0.31ct Heart
$640 NZD