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Round|Lab Grown|IGI

1.20ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • IGI LG787674471

Shape and cutting style on the report: Round brilliant

Certificate IGI LG787674471

Diamond specifications and retailer prices

From €246 EUR
$275 USD
As of November 1, 2026
Save €609 EUR (71%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €855 EUR at MOH London · As of October 29, 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 LG787674471 or 787674471. Listed at 10 retailers as of October 29, 2026, with prices from €246 to €855, a €609 spread on the same certified stone. MOH London lists it at €855. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.3°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787674471
Dimensions6.93 × 6.91 × 4.08 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.93 mm6.91 mm1.20 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787674471
Side View
Table 60.0%Crown 32.3°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 58.9%

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: Nov 1
Current: €855 EUR|Low: €246 EUR|High: €861 EUR|Avg: €442 EUR|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 2€246 EUR
Retailer 4€311 EUR
Retailer 3€321 EUR
Retailer 6€328 EUR
Retailer 5€429 EUR
Retailer 8€473 EUR
Retailer 7€501 EUR
MOH London€855 EUR

39 data points across 8 retailers

10 retailers€246 EUR to €855 EUR

B+
Cheapest Retailer
-
€246 EUR
$275 USD
A
Retailer 2
-
€311 EUR
View
A
Retailer 3
-
€321 EUR
£283 GBP
View
A
Retailer 4
-
€328 EUR
$367 USD
View
Retailer 5
-
€414 EUR
$462 USD
View
Price last confirmed 90 days ago
B+
Retailer 6
-
€429 EUR
A$738 AUD
View
B+
Retailer 7
-
€473 EUR
$528 USD
View
B+
Retailer 8
-
€501 EUR
$560 USD
View
B
Retailer 9
-
€634 EUR
$708 USD
View
Most Expensive
B
MOH London
LG787674471 · Oct 29
€855 EUR
£752 GBP
View
9 more retailers have this diamond
Prices start from €246 EURSave up to €609 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
€246 EUR