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Round|Lab Grown|IGI

1.22ct J VS1 Round Lab Grown Diamond

EX • J/VS1 • IGI LG451055514

Shape and cutting style on the report: Round brilliant

Certificate IGI LG451055514

Diamond specifications and retailer prices

From $690 USD
As of October 30, 2026
Save $4,108 USD (86%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $4,798 USD at MOH London · As of October 29, 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 J colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG451055514 or 451055514. Listed at 12 retailers as of October 29, 2026, with prices from $690 to $4,798, a $4,108 spread on the same certified stone. MOH London lists it at $4,798. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.22
Carat
J
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451055514
Dimensions6.79 × 6.81 × 4.29 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
6.79 mm6.81 mm1.22 ctJ / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG451055514
Side View
Table 56.5%Crown 36.2°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 63.2%

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: $4,798 USD|Low: $690 USD|High: $4,830 USD|Avg: $2,216 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
October 30, 2026
Retailer 2$690 USD
Retailer 6$1,280 USD
Retailer 10$1,434 USD
Retailer 7$1,485 USD
Retailer 9$1,485 USD
Retailer 11$1,660 USD
Retailer 12$2,040 USD
Retailer 8$2,351 USD
Retailer 5$2,730 USD
Retailer 3$2,768 USD
Retailer 4$3,324 USD
MOH London$4,798 USD

17 data points across 12 retailers

12 retailers$690 USD to $4,798 USD

A
Cheapest Retailer
-
$690 USD
B+
Retailer 2
-
$1,280 USD
View
B+
Retailer 3
-
$1,393 USD
View
B+
Retailer 4
-
$1,434 USD
View
Final sale: no returns
Retailer 5
-
$1,485 USD
View
Price last confirmed 17 days ago
B+
Retailer 6
-
$1,485 USD
View
B+
Retailer 7
-
$1,660 USD
View
B
Retailer 8
-
$2,351 USD
View
B
Retailer 9
-
$2,730 USD
ZAR 44,108 ZAR
View
B
Retailer 10
-
$2,768 USD
View
B
Retailer 11
-
$2,784 USD
View
Most Expensive
B
MOH London
LG451055514 · Oct 29
$4,798 USD
£3,778 GBP
View
11 more retailers have this diamond
Prices start from $690 USDSave up to $4,108 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
$690 USD