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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 €209 EUR
£185 GBP
As of November 2, 2026
Save €192 EUR (48%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €798 EUR at MOH London · As of November 1, 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 October 31, 2026, with a 92% 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
Color
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 2
Current: €798 EUR|Low: €195 EUR|High: €807 EUR|Avg: €372 EUR|-1.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 2, 2026
Retailer 2€209 EUR
Retailer 4€224 EUR
Retailer 3€279 EUR
Retailer 5€374 EUR
MOH London€798 EUR

40 data points across 5 retailers

6 retailers€209 EUR to €402 EUR

B+
Cheapest Retailer
-
€209 EUR
£185 GBP
B
Retailer 2
-
€224 EUR
$251 USD
View
B
Retailer 3
-
€279 EUR
£246 GBP
View
B
Retailer 4
-
€374 EUR
$420 USD
View
B
Retailer 5
-
€402 EUR
$450 USD
View
Most Expensive
MOH London
LG799666142 · Nov 1
€798 EUR
£705 GBP
View
Price under review
5 more retailers have this diamond
Prices start from €209 EURSave up to €192 EUR

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
€209 EUR