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 $314 USD
As of October 30, 2026
Save $1,171 USD (79%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,485 USD 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 $314 to $1,485, a $1,171 spread on the same certified stone. MOH London lists it at $1,485. 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: $1,485 USD|Low: $314 USD|High: $1,492 USD|Avg: $732 USD|-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$314 USD
Retailer 8$336 USD
Retailer 7$338 USD
Retailer 5$550 USD
Retailer 3$574 USD
Retailer 2$655 USD
Retailer 10$661 USD
Retailer 6$701 USD
Retailer 4$716 USD
Retailer 12$1,005 USD
Retailer 11$1,031 USD
MOH London$1,485 USD

17 data points across 12 retailers

12 retailers$314 USD to $1,485 USD

A
Cheapest Retailer
-
$314 USD
Retailer 2
-
$336 USD
View
Price last confirmed 7 days ago
B+
Retailer 3
-
$338 USD
View
B+
Retailer 4
-
$550 USD
View
B+
Retailer 5
-
$574 USD
View
B
Retailer 6
-
$655 USD
£516 GBP
View
B
Retailer 7
-
$661 USD
View
B
Retailer 8
-
$701 USD
£552 GBP
View
B
Retailer 9
-
$716 USD
View
B
Retailer 10
-
$1,005 USD
View
B
Retailer 11
-
$1,031 USD
View
Most Expensive
B
MOH London
LG515227577 · Nov 1
$1,485 USD
£1,169 GBP
View
11 more retailers have this diamond
Prices start from $314 USDSave up to $1,171 USD

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
$314 USD