CaratHunter
Plans
Round|Lab Grown|IGI

1.22ct F SI2 Round Lab Grown Diamond

ID • F/SI2 • IGI LG515227577

Shape and cutting style on the report: Round brilliant

Certificate IGI LG515227577

Diamond specifications and retailer prices

From €281 EUR
$314 USD
As of October 30, 2026
Save €1,048 EUR (79%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €1,329 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG515227577 or 515227577. Listed at 12 retailers as of October 30, 2026, with prices from €281 to €1,329, a €1,048 spread on the same certified stone. MOH London lists it at €1,329. 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
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG515227577
Dimensions6.91 × 6.94 × 4.19 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.91 mm6.94 mm1.22 ctF / SI2
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG515227577
Side View
Table 59.0%Crown 34°Girdle: MediumPavilion 41.1°Culet: NoneDepth 60.5%

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: Oct 30
Current: €1,329 EUR|Low: €281 EUR|High: €1,336 EUR|Avg: €655 EUR|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 9€281 EUR
Retailer 8€301 EUR
Retailer 7€303 EUR
Retailer 5€492 EUR
Retailer 3€514 EUR
Retailer 2€587 EUR
Retailer 10€592 EUR
Retailer 6€627 EUR
Retailer 4€641 EUR
Retailer 12€900 EUR
Retailer 11€923 EUR
MOH London€1,329 EUR

17 data points across 12 retailers

12 retailers€281 EUR to €1,329 EUR

A
Cheapest Retailer
-
€281 EUR
$314 USD
Retailer 2
-
€301 EUR
$336 USD
View
Price last confirmed 7 days ago
B+
Retailer 3
-
€303 EUR
$338 USD
View
B+
Retailer 4
-
€492 EUR
$550 USD
View
B+
Retailer 5
-
€514 EUR
$574 USD
View
B
Retailer 6
-
€587 EUR
£516 GBP
View
B
Retailer 7
-
€592 EUR
$661 USD
View
B
Retailer 8
-
€627 EUR
£552 GBP
View
B
Retailer 9
-
€641 EUR
$716 USD
View
B
Retailer 10
-
€900 EUR
$1,005 USD
View
B
Retailer 11
-
€923 EUR
$1,031 USD
View
Most Expensive
B
MOH London
LG515227577 · Nov 1
€1,329 EUR
£1,169 GBP
View
11 more retailers have this diamond
Prices start from €281 EURSave up to €1,048 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
€281 EUR