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Round|Lab Grown|IGI

1.39ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • IGI LG786642414

Shape and cutting style on the report: Round brilliant

Certificate IGI LG786642414

Diamond specifications and retailer prices

From €168 EUR
$188 USD
As of October 29, 2026
Save €815 EUR (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €983 EUR at MOH London · As of October 29, 2026
View at MOH London

About this 1.39ct lab-grown round diamond

This 1.39ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG786642414 or 786642414. Listed at 14 retailers as of October 29, 2026, with prices from €168 to €983, a €815 spread on the same certified stone. MOH London lists it at €983. 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

1.39
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.5°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786642414
Dimensions7.21 × 7.17 × 4.40 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.21 mm7.17 mm1.39 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786642414
Side View
Table 58.0%Crown 31.5°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 61.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: €983 EUR|Low: €162 EUR|High: €1,007 EUR|Avg: €428 EUR|-2.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 11€168 EUR
Retailer 13€189 EUR
Retailer 5€209 EUR
Retailer 8€354 EUR
Retailer 3€368 EUR
Retailer 2€379 EUR
Retailer 7€409 EUR
Retailer 4€426 EUR
Retailer 12€436 EUR
Retailer 9€456 EUR
Retailer 10€550 EUR
Retailer 6€600 EUR
MOH London€983 EUR

34 data points across 13 retailers

14 retailers€168 EUR to €983 EUR

A
Cheapest Retailer
-
€168 EUR
$188 USD
A
Retailer 2
-
€189 EUR
$211 USD
View
Final sale: no returns
A
Retailer 3
-
€209 EUR
$234 USD
View
A
Retailer 4
-
€354 EUR
View
B+
Retailer 5
-
€368 EUR
$411 USD
View
A
Retailer 6
-
€379 EUR
£333 GBP
View
A
Retailer 7
-
€409 EUR
£359 GBP
View
B+
Retailer 8
-
€426 EUR
$476 USD
View
B+
Retailer 9
-
€436 EUR
$487 USD
View
B+
Retailer 10
-
€456 EUR
$510 USD
View
B
Retailer 11
-
€550 EUR
$615 USD
View
B+
Retailer 12
-
€600 EUR
$670 USD
View
Retailer 13
-
€618 EUR
$690 USD
View
Price last confirmed 46 days ago
Most Expensive
B
MOH London
LG786642414 · Oct 29
€983 EUR
£865 GBP
View
13 more retailers have this diamond
Prices start from €168 EURSave up to €815 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.

A
1.39ct Round
€168 EUR