CaratHunter
Plans
Round|Lab Grown|IGI

1.22ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG788620075

Shape and cutting style on the report: Round brilliant

Certificate IGI LG788620075

Diamond specifications and retailer prices

From €146 EUR
$164 USD
As of November 1, 2026
Save €703 EUR (83%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €849 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 LG788620075 or 788620075. Listed at 17 retailers as of November 1, 2026, with prices from €146 to €849, a €703 spread on the same certified stone. MOH London lists it at €849. 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 angle35.7°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788620075
Dimensions6.85 × 6.81 × 4.26 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
6.85 mm6.81 mm1.22 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788620075
Side View
Table 59.0%Crown 35.7°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €849 EUR|Low: €141 EUR|High: €859 EUR|Avg: €367 EUR|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 1, 2026
Retailer 12€146 EUR
Retailer 4€170 EUR
Retailer 6€182 EUR
Retailer 13€182 EUR
Retailer 9€311 EUR
Retailer 7€318 EUR
Retailer 8€321 EUR
Retailer 14€326 EUR
Retailer 3€405 EUR
Retailer 11€437 EUR
Retailer 10€477 EUR
Retailer 2€490 EUR
Retailer 5€584 EUR
MOH London€849 EUR

45 data points across 14 retailers

17 retailers€146 EUR to €849 EUR

A
Cheapest Retailer
-
€146 EUR
$164 USD
A
Retailer 2
-
€170 EUR
$191 USD
View
A
Retailer 3
-
€182 EUR
$204 USD
View
Retailer 4
-
€182 EUR
$204 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
€311 EUR
View
A
Retailer 6
-
€318 EUR
£281 GBP
View
A
Retailer 7
-
€321 EUR
£283 GBP
View
A
Retailer 8
-
€326 EUR
$366 USD
View
A
Retailer 9
-
€335 EUR
$376 USD
View
B+
Retailer 10
-
€405 EUR
$454 USD
View
B+
Retailer 11
-
€437 EUR
$490 USD
View
B+
Retailer 12
-
€477 EUR
$535 USD
View
B+
Retailer 13
-
€490 EUR
$550 USD
View
B
Retailer 14
-
€584 EUR
$655 USD
View
Retailer 15
-
€617 EUR
$692 USD
View
Price last confirmed 17 days ago
B
Retailer 16
-
€633 EUR
$710 USD
View
Most Expensive
B
MOH London
LG788620075 · Nov 1
€849 EUR
£750 GBP
View
16 more retailers have this diamond
Prices start from €146 EURSave up to €703 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
€146 EUR