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Round|Lab Grown|IGI

1.39ct F SI2 Round Lab Grown Diamond

ID • F/SI2 • IGI LG583318205

Shape and cutting style on the report: Round brilliant

Certificate IGI LG583318205

Diamond specifications and retailer prices

From €154 EUR
$172 USD
As of October 29, 2026
Save €835 EUR (84%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €989 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 F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG583318205 or 583318205. Listed at 8 retailers as of October 29, 2026, with prices from €154 to €989, a €835 spread on the same certified stone. MOH London lists it at €989. 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
F
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG583318205
Dimensions7.19 × 7.16 × 4.41 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.19 mm7.16 mm1.39 ctF / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG583318205
Side View
Table 58.0%Crown 33.9°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.4%

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: €989 EUR|Low: €148 EUR|High: €996 EUR|Avg: €477 EUR|+3.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 4€154 EUR
Retailer 8€178 EUR
Retailer 6€339 EUR
Retailer 9€363 EUR
Retailer 2€401 EUR
Retailer 5€456 EUR
Retailer 10€613 EUR
Retailer 3€647 EUR
Retailer 7€677 EUR
MOH London€989 EUR

40 data points across 10 retailers

8 retailers€154 EUR to €989 EUR

A
Cheapest Retailer
-
€154 EUR
$172 USD
A
Retailer 2
-
€178 EUR
$199 USD
View
B+
Retailer 3
-
€339 EUR
$379 USD
View
A
Retailer 4
-
€401 EUR
£352 GBP
View
Retailer 5
-
€456 EUR
$510 USD
View
Price last confirmed 8 days ago
Retailer 6
-
€647 EUR
$723 USD
View
Price last confirmed 7 days ago
B
Retailer 7
-
€677 EUR
$756 USD
View
Most Expensive
B
MOH London
LG583318205 · Oct 29
€989 EUR
£870 GBP
View
7 more retailers have this diamond
Prices start from €154 EURSave up to €835 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
€154 EUR