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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 €132 EUR
$148 USD
As of October 29, 2026
Save €635 EUR (83%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €767 EUR at MOH London · As of October 26, 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 October 26, 2026, with prices from €132 to €767, a €635 spread on the same certified stone. MOH London lists it at €767. 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
Color
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

How it works →
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: €767 EUR|Low: €125 EUR|High: €770 EUR|Avg: €427 EUR|+2.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 7€132 EUR
Retailer 5€153 EUR
Retailer 12€270 EUR
Retailer 2€289 EUR
Retailer 9€321 EUR
Retailer 3€453 EUR
Retailer 10€456 EUR
Retailer 8€526 EUR
Retailer 6€556 EUR
Retailer 4€583 EUR
Retailer 11€656 EUR
MOH London€767 EUR

30 data points across 12 retailers

9 retailers€132 EUR to €767 EUR

A
Cheapest Retailer
-
€132 EUR
$148 USD
A
Retailer 2
-
€153 EUR
$171 USD
View
A
Retailer 3
-
€289 EUR
View
Retailer 4
-
€321 EUR
£282 GBP
View
Price last confirmed 15 days ago
B+
Retailer 5
-
€456 EUR
$510 USD
View
B+
Retailer 6
-
€526 EUR
$588 USD
View
B
Retailer 7
-
€556 EUR
$621 USD
View
Retailer 8
-
€656 EUR
SGD 990 SGD
View
Price last confirmed 20 days ago
Most Expensive
B
MOH London
LG786690205 · Oct 26
€767 EUR
£675 GBP
View
8 more retailers have this diamond
Prices start from €132 EURSave up to €635 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
€132 EUR