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 $213 NZD
$120 USD
As of October 30, 2026
Save $927 NZD (81%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,140 NZD 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 26, 2026, with prices from $213 to $1,140, a $927 spread on the same certified stone. MOH London lists it at $1,140. 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
Colour
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

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: Oct 30
Current: $1,140 NZD|Low: $144 NZD|High: $1,375 NZD|Avg: $514 NZD|-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$149 NZD
Retailer 8$197 NZD
Retailer 6$213 NZD
Retailer 3$277 NZD
Retailer 2$398 NZD
Retailer 9$532 NZD
Retailer 5$606 NZD
Retailer 4$697 NZD
MOH London$1,140 NZD

39 data points across 9 retailers

13 retailers$213 NZD to $1,140 NZD

Retailer 1
-
$124 NZD
$70 USD
Price last confirmed 7 days ago
Retailer 2
-
$149 NZD
$84 USD
View
Price last confirmed 22 days ago
Retailer 3
-
$172 NZD
$97 USD
View
Price last confirmed 32 days ago
Retailer 4
-
$197 NZD
$111 USD
View
Price last confirmed 27 days ago
B+
Retailer 5
-
$213 NZD
$120 USD
View
B+
Retailer 6
-
$277 NZD
£123 GBP
View
Retailer 7
-
$318 NZD
£141 GBP
View
Price last confirmed 18 days ago
B+
Retailer 8
-
$398 NZD
£177 GBP
View
Retailer 9
-
$532 NZD
$300 USD
View
Price last confirmed 42 days ago
Retailer 10
-
$594 NZD
$335 USD
View
Price last confirmed 30 days ago
B
Retailer 11
-
$606 NZD
$342 USD
View
B
Retailer 12
-
$697 NZD
$393 USD
View
Most Expensive
B
MOH London
LG816670731 · Oct 26
$1,140 NZD
£506 GBP
View
12 more retailers have this diamond
Prices start from $213 NZDSave up to $927 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+
0.39ct Heart
$213 NZD