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Round|Lab Grown|IGI

1.20ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG756549330

Shape and cutting style on the report: Round brilliant

Certificate IGI LG756549330

Diamond specifications and retailer prices

From €333 EUR
$372 USD
As of October 30, 2026
Save €612 EUR (65%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €945 EUR at MOH London · As of November 1, 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 LG756549330 or 756549330. Listed at 6 retailers as of October 30, 2026, with prices from €333 to €945, a €612 spread on the same certified stone. MOH London lists it at €945. 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 angle33.5°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG756549330
Dimensions6.91 × 6.87 × 4.10 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.91 mm6.87 mm1.20 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG756549330
Side View
Table 59.0%Crown 33.5°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 59.5%

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 30
Current: €945 EUR|Low: €331 EUR|High: €947 EUR|Avg: €451 EUR|+1.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 6€333 EUR
Retailer 5€341 EUR
Retailer 4€357 EUR
Retailer 2€364 EUR
Retailer 3€422 EUR
MOH London€945 EUR

39 data points across 6 retailers

6 retailers€333 EUR to €945 EUR

A
Cheapest Retailer
-
€333 EUR
$372 USD
A
Retailer 2
-
€341 EUR
View
A
Retailer 3
-
€357 EUR
$399 USD
View
B+
Retailer 4
-
€364 EUR
£320 GBP
View
B+
Retailer 5
-
€422 EUR
$472 USD
View
Most Expensive
B
MOH London
LG756549330 · Nov 1
€945 EUR
£831 GBP
View
5 more retailers have this diamond
Prices start from €333 EURSave up to €612 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
€333 EUR