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Radiant|Lab Grown|IGI

1.22ct G VS1 Radiant Lab Grown Diamond

VG • G/VS1 • IGI LG625480575

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG625480575

Diamond specifications and retailer prices

From $343 USD
As of October 30, 2026
Save $808 USD (70%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,151 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.22ct lab-grown radiant diamond

This 1.22ct lab-grown radiant sits in the classic one-carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG625480575 or 625480575. Listed at 9 retailers as of October 29, 2026, with prices from $343 to $1,151, a $808 spread on the same certified stone. MOH London lists it at $1,151. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.22
Carat
G
Color
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.3°
Pavilion angle35.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG625480575
Dimensions7.36 × 5.38 × 3.69 mm
L/W Ratio1.37
Culet sizePointed
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
7.36 mm5.38 mm1.22 ctG / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG625480575
Side View
Table 64.0%Crown 41.3°Girdle: MED-STKPavilion 35.2°Culet: NoneDepth 68.6%

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: Oct 30
Current: $1,151 USD|Low: $343 USD|High: $1,158 USD|Avg: $590 USD|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 7$343 USD
Retailer 5$393 USD
Retailer 3$420 USD
Retailer 2$448 USD
Retailer 6$470 USD
Retailer 4$610 USD
Retailer 8$960 USD
MOH London$1,151 USD

41 data points across 8 retailers

9 retailers$343 USD to $1,151 USD

A
Cheapest Retailer
-
$343 USD
A
Retailer 2
-
$393 USD
View
A
Retailer 3
-
$420 USD
ZAR 6,793 ZAR
View
A
Retailer 4
-
$448 USD
£353 GBP
View
B+
Retailer 5
-
$470 USD
View
Retailer 6
-
$610 USD
View
Price last confirmed 9 days ago
B
Retailer 7
-
$683 USD
£538 GBP
View
B
Retailer 8
-
$960 USD
View
Most Expensive
B
MOH London
LG625480575 · Oct 29
$1,151 USD
£906 GBP
View
8 more retailers have this diamond
Prices start from $343 USDSave up to $808 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 Radiant
$343 USD