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Round|Lab Grown|IGI

1.22ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG691511756

Shape and cutting style on the report: Round brilliant

Certificate IGI LG691511756

Diamond specifications and retailer prices

From €349 EUR
$390 USD
As of November 1, 2026
Save €714 EUR (67%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: €1,063 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 1.22ct lab-grown round diamond

This 1.22ct lab-grown round sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG691511756 or 691511756. Listed at 5 retailers as of November 1, 2026, with prices from €349 to €1,063, a €714 spread on the same certified stone. MOH London lists it at €1,063. 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

1.22
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG691511756
Dimensions6.96 × 6.95 × 4.11 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
6.96 mm6.95 mm1.22 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG691511756
Side View
Table 60.0%Crown 32.8°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 59.1%

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: €1,063 EUR|Low: €306 EUR|High: €1,075 EUR|Avg: €537 EUR
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 5€349 EUR
Retailer 4€393 EUR
Retailer 2€414 EUR
Retailer 3€465 EUR
Retailer 6€579 EUR
MOH London€1,063 EUR

41 data points across 6 retailers

5 retailers€349 EUR to €1,063 EUR

A
Cheapest Retailer
-
€349 EUR
$390 USD
B+
Retailer 2
-
€393 EUR
$439 USD
View
B+
Retailer 3
-
€414 EUR
£364 GBP
View
B+
Retailer 4
-
€465 EUR
$520 USD
View
Most Expensive
B
MOH London
LG691511756 · Nov 1
€1,063 EUR
£935 GBP
View
4 more retailers have this diamond
Prices start from €349 EURSave up to €714 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
1.22ct Round
€349 EUR