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Heart|Natural|GIA

0.31ct G SI1 Heart Natural Diamond

EX • G/SI1 • GIA 6565302291

Certificate GIA 6565302291

Diamond specifications and retailer prices

From $712 NZD
SGD 541 SGD
As of November 2, 2026
Save $350 NZD (33%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,062 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 6565302291. Listed at 7 retailers as of October 27, 2026, with prices from $712 to $1,062, a $350 spread on the same certified stone. Wholesale Diamonds Direct lists it at $1,062. 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 angle35.96°
Pavilion angle39.63°
OriginNatural
Grading LabGIA
CertificateGIA 6565302291
Dimensions4.05 × 4.70 × 2.79 mm
L/W Ratio1.16
Culet sizeNone
Top View
4.05 mm4.70 mm0.31 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6565302291
Side View
Table 59.0%Crown 35.96°Girdle: THN-THKPavilion 39.63°Culet: NoneDepth 59.4%

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: $868 NZD|Low: $712 NZD|High: $1,062 NZD|Avg: $871 NZD|+4.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Wholesale Diamonds Direct
November 2, 2026
Retailer 4$712 NZD
Retailer 6$777 NZD
Retailer 3$809 NZD
Retailer 1$868 NZD
Retailer 5$914 NZD
Retailer 2$925 NZD
Wholesale Diamonds Direct$1,062 NZD

35 data points across 7 retailers

7 retailers$712 NZD to $1,062 NZD

B+
Cheapest Retailer
-
$712 NZD
SGD 541 SGD
B+
Retailer 2
-
$777 NZD
SGD 591 SGD
View
B
Retailer 3
-
$809 NZD
$455 USD
View
B
Retailer 4
-
$868 NZD
£384 GBP
View
B
Retailer 5
-
$914 NZD
£405 GBP
View
B
Retailer 6
-
$925 NZD
$520 USD
View
Most Expensive
B
Wholesale Diamonds Direct
404324832 · Oct 27
$1,062 NZD
$597 USD
View
6 more retailers have this diamond
Prices start from $712 NZDSave up to $350 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
$712 NZD