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Heart|Lab Grown|IGI

0.31ct F VS1 Heart Lab Grown Diamond

ID • F/VS1 • IGI LG799666142

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG799666142

Diamond specifications and retailer prices

From $417 NZD
As of November 6, 2026
Save $395 NZD (49%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,611 NZD at MOH London · As of November 4, 2026
View at MOH London

About this 0.31ct lab-grown heart diamond

This 0.31ct lab-grown heart sits in the sub-half-carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG799666142 or 799666142. Listed at 6 retailers as of November 6, 2026, with a 95% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.31
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.3°
Pavilion angle37.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799666142
Dimensions4.88 × 4.58 × 2.50 mm
L/W Ratio1.07
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
4.88 mm4.58 mm0.31 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG799666142
Side View
Table 62.0%Crown 34.3°Girdle: MED-STKPavilion 37.1°CuletDepth 51.2%

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 6
Current: $1,611 NZD|Low: $397 NZD|High: $1,633 NZD|Avg: $755 NZD|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 2$417 NZD
Retailer 4$453 NZD
Retailer 3$563 NZD
Retailer 5$758 NZD
MOH London$1,611 NZD

42 data points across 5 retailers

6 retailers$417 NZD to $812 NZD

B+
Cheapest Retailer
-
$417 NZD
B
Retailer 2
-
$453 NZD
View
B
Retailer 3
-
$563 NZD
View
B
Retailer 4
-
$758 NZD
View
B
Retailer 5
-
$812 NZD
View
Most Expensive
MOH London
LG799666142 · Nov 4
$1,611 NZD
£703 GBP
View
Price under review
5 more retailers have this diamond
Prices start from $417 NZDSave up to $395 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
$417 NZD