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Round|Lab Grown|IGI

1.21ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG763656334

Shape and cutting style on the report: Round brilliant

Certificate IGI LG763656334

Diamond specifications and retailer prices

From €309 EUR
$345 USD
As of November 1, 2026
Save €765 EUR (71%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €1,074 EUR at MOH London · As of October 29, 2026
View at MOH London

About this 1.21ct lab-grown round diamond

This 1.21ct lab-grown round sits in the classic one-carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG763656334 or 763656334. Listed at 10 retailers as of October 29, 2026, with prices from €309 to €1,074, a €765 spread on the same certified stone. MOH London lists it at €1,074. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
F
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG763656334
Dimensions6.77 × 6.82 × 4.23 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
6.77 mm6.82 mm1.21 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG763656334
Side View
Table 59.0%Crown 35.9°Girdle: MediumPavilion 41.1°Culet: NoneDepth 62.4%

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: €1,074 EUR|Low: €309 EUR|High: €1,081 EUR|Avg: €628 EUR|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 6€309 EUR
Retailer 2€382 EUR
Retailer 3€416 EUR
Retailer 7€447 EUR
Retailer 4€755 EUR
Retailer 5€1,034 EUR
MOH London€1,074 EUR

40 data points across 7 retailers

10 retailers€309 EUR to €1,074 EUR

Retailer 1
-
€252 EUR
HK$2,200 HKD
Price last confirmed 59 days ago
B+
Retailer 2
-
€309 EUR
$345 USD
View
A
Retailer 3
-
€382 EUR
View
A
Retailer 4
-
€416 EUR
£366 GBP
View
A
Retailer 5
-
€447 EUR
$499 USD
View
B+
Retailer 6
-
€560 EUR
$626 USD
View
B+
Retailer 7
-
€755 EUR
A$1,298 AUD
View
B
Retailer 8
-
€782 EUR
$874 USD
View
B
Retailer 9
-
€1,034 EUR
$1,155 USD
View
Most Expensive
B
MOH London
LG763656334 · Oct 29
€1,074 EUR
£945 GBP
View
9 more retailers have this diamond
Prices start from €309 EURSave up to €765 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
1.21ct Round
€309 EUR