Round|Lab Grown|IGI

1.39ct I SI2 Round Lab Grown Diamond

ID • I/SI2 • IGI LG425066377

Shape and cutting style on the report: Round brilliant

Certificate IGI LG425066377

Diamond specifications and retailer prices

From €626 EUR
$699 USD
As of October 29, 2026
Save €2,241 EUR (78%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €2,867 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG425066377 or 425066377. Listed at 10 retailers as of October 29, 2026, with prices from €626 to €2,867, a €2,241 spread on the same certified stone. MOH London lists it at €2,867. 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
I
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG425066377
Dimensions7.24 × 7.17 × 4.38 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.24 mm7.17 mm1.39 ctI / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG425066377
Side View
Table 55.0%Crown 33°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 61.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: €2,867 EUR|Low: €602 EUR|High: €2,886 EUR|Avg: €1,187 EUR|+0.5%
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 30, 2026
Retailer 7€626 EUR
Retailer 10€681 EUR
Retailer 12€701 EUR
Retailer 2€725 EUR
Retailer 8€726 EUR
Retailer 13€726 EUR
Retailer 4€737 EUR
Retailer 3€1,162 EUR
Retailer 9€1,181 EUR
Retailer 5€1,626 EUR
Retailer 6€1,789 EUR
Retailer 11€2,042 EUR
MOH London€2,867 EUR

16 data points across 13 retailers

10 retailers€626 EUR to €2,867 EUR

A
Cheapest Retailer
-
€626 EUR
$699 USD
A
Retailer 2
-
€681 EUR
$761 USD
View
A
Retailer 3
-
€701 EUR
$783 USD
View
Final sale: no returns
A
Retailer 4
-
€725 EUR
$810 USD
View
A
Retailer 5
-
€726 EUR
$811 USD
View
Retailer 6
-
€726 EUR
$811 USD
View
Price last confirmed 19 days ago
B+
Retailer 7
-
€1,181 EUR
$1,319 USD
View
B
Retailer 8
-
€1,789 EUR
$1,999 USD
View
B
Retailer 9
-
€2,042 EUR
$2,281 USD
View
Most Expensive
B
MOH London
LG425066377 · Oct 29
€2,867 EUR
£2,522 GBP
View
9 more retailers have this diamond
Prices start from €626 EURSave up to €2,241 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
€626 EUR