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Round|Lab Grown|IGI

1.20ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG786690205

Shape and cutting style on the report: Round brilliant

Certificate IGI LG786690205

Diamond specifications and retailer prices

From €133 EUR
As of November 5, 2026
Save €637 EUR (83%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €769 EUR at MOH London · As of November 4, 2026
View at MOH London

About this 1.2ct lab-grown round diamond

This 1.2ct lab-grown round sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG786690205 or 786690205. Listed at 9 retailers as of November 4, 2026, with prices from €133 to €769, a €637 spread on the same certified stone. MOH London lists it at €769. 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

1.20
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786690205
Dimensions6.83 × 6.78 × 4.19 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.83 mm6.78 mm1.20 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786690205
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.5%

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: Nov 5
Current: €769 EUR|Low: €125 EUR|High: €769 EUR|Avg: €425 EUR|+3.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 5, 2026
Retailer 6€133 EUR
Retailer 7€154 EUR
Retailer 12€269 EUR
Retailer 9€288 EUR
Retailer 2€319 EUR
Retailer 3€451 EUR
Retailer 10€454 EUR
Retailer 5€531 EUR
Retailer 8€560 EUR
Retailer 4€579 EUR
Retailer 11€652 EUR
MOH London€769 EUR

30 data points across 12 retailers

9 retailers€133 EUR to €769 EUR

A
Cheapest Retailer
-
€133 EUR
A
Retailer 2
-
€154 EUR
View
Retailer 3
-
€288 EUR
View
Price last confirmed 8 days ago
A
Retailer 4
-
€319 EUR
View
B+
Retailer 5
-
€454 EUR
View
B+
Retailer 6
-
€531 EUR
View
B
Retailer 7
-
€560 EUR
View
Retailer 8
-
€652 EUR
View
Price last confirmed 25 days ago
Most Expensive
B
MOH London
LG786690205 · Nov 4
€769 EUR
£680 GBP
View
8 more retailers have this diamond
Prices start from €133 EURSave up to €637 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
1.20ct Round
€133 EUR