Heart|Lab Grown|IGI

0.39ct E SI1 Heart Lab Grown Diamond

ID • E/SI1 • IGI LG816670731

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG816670731

Diamond specifications and retailer prices

From $70 USD
As of October 23, 2026
Save $573 USD (89%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $643 USD at MOH London · As of October 26, 2026
View at MOH London

About this 0.39ct lab-grown heart diamond

This 0.39ct lab-grown heart sits in the sub-half-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG816670731 or 816670731. Listed at 13 retailers as of October 23, 2026, with prices from $70 to $643, a $573 spread on the same certified stone. MOH London lists it at $643. 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

0.39
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle33.1°
Pavilion angle35.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816670731
Dimensions5.61 × 4.50 × 2.71 mm
L/W Ratio1.25
Girdle conditionFaceted
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.61 mm4.50 mm0.39 ctE / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG816670731
Side View
Table 67.0%Crown 33.1°Girdle: THN-STKPavilion 35.8°Culet: NoneDepth 48.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 23
Current: $643 USD|Low: $81 USD|High: $775 USD|Avg: $290 USD|-16.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 28, 2026
Retailer 7$84 USD
Retailer 8$111 USD
Retailer 6$120 USD
Retailer 3$156 USD
Retailer 2$224 USD
Retailer 9$300 USD
Retailer 5$342 USD
Retailer 4$393 USD
MOH London$643 USD

39 data points across 9 retailers

13 retailers$70 USD to $643 USD

A
Cheapest Retailer
-
$70 USD
Retailer 2
-
$84 USD
View
Price last confirmed 22 days ago
Retailer 3
-
$97 USD
View
Price last confirmed 31 days ago
Retailer 4
-
$111 USD
View
Price last confirmed 27 days ago
B+
Retailer 5
-
$120 USD
View
B+
Retailer 6
-
$156 USD
£123 GBP
View
Retailer 7
-
$179 USD
£141 GBP
View
Price last confirmed 18 days ago
B+
Retailer 8
-
$224 USD
£177 GBP
View
Retailer 9
-
$300 USD
View
Price last confirmed 41 days ago
Retailer 10
-
$335 USD
View
Price last confirmed 29 days ago
B
Retailer 11
-
$342 USD
View
B
Retailer 12
-
$393 USD
View
Most Expensive
B
MOH London
LG816670731 · Oct 26
$643 USD
£506 GBP
View
12 more retailers have this diamond
Prices start from $70 USDSave up to $573 USD

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
0.39ct Heart
$70 USD