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Round|Lab Grown|IGI

1.39ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG561275075

Shape and cutting style on the report: Round brilliant

Certificate IGI LG561275075

Diamond specifications and retailer prices

From €851 EUR
$951 USD
As of October 29, 2026
Save €729 EUR (46%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €2,129 EUR at Friendly Diamonds · As of October 30, 2026
View at Friendly Diamonds

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 LG561275075 or 561275075. Listed at 11 retailers as of October 28, 2026, with a 86% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG561275075
Dimensions7.20 × 7.17 × 4.35 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
7.20 mm7.17 mm1.39 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG561275075
Side View
Table 58.5%Crown 34.4°GirdlePavilion 40.6°Culet: NoneDepth 60.5%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 29
Current: €2,129 EUR|Low: €817 EUR|High: €3,394 EUR|Avg: €1,723 EUR|+3.1%
Friendly Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 6€851 EUR
Retailer 7€987 EUR
Retailer 4€1,146 EUR
Retailer 2€1,517 EUR
Retailer 8€1,581 EUR
Retailer 5€2,067 EUR
Friendly Diamonds€2,129 EUR
Retailer 3€3,367 EUR

40 data points across 8 retailers

11 retailers€851 EUR to €1,581 EUR

B
Cheapest Retailer
-
€851 EUR
$951 USD
B
Retailer 2
-
€926 EUR
$1,035 USD
View
Retailer 3
-
€987 EUR
$1,103 USD
View
Price last confirmed 18 days ago
B
Retailer 4
-
€987 EUR
$1,103 USD
View
B
Retailer 5
-
€1,146 EUR
$1,280 USD
View
B
Retailer 6
-
€1,517 EUR
£1,334 GBP
View
B
Retailer 7
-
€1,581 EUR
$1,766 USD
View
Retailer 8
-
€2,067 EUR
£1,818 GBP
View
Price under review
Most Expensive
Friendly Diamonds
6290385 · Oct 30
€2,129 EUR
$2,378 USD
View
Price under review
8 more retailers have this diamond
Prices start from €851 EURSave up to €729 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.

B
1.39ct Round
€851 EUR