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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 €618 EUR
$690 USD
As of October 30, 2026
Save €3,677 EUR (86%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €4,295 EUR 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 €618 to €4,295, a €3,677 spread on the same certified stone. MOH London lists it at €4,295. 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
Colour
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: €4,295 EUR|Low: €618 EUR|High: €4,323 EUR|Avg: €1,983 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
October 30, 2026
Retailer 2€618 EUR
Retailer 6€1,146 EUR
Retailer 10€1,284 EUR
Retailer 7€1,329 EUR
Retailer 9€1,329 EUR
Retailer 11€1,486 EUR
Retailer 12€1,826 EUR
Retailer 8€2,104 EUR
Retailer 5€2,444 EUR
Retailer 3€2,478 EUR
Retailer 4€2,975 EUR
MOH London€4,295 EUR

17 data points across 12 retailers

12 retailers€618 EUR to €4,295 EUR

A
Cheapest Retailer
-
€618 EUR
$690 USD
B+
Retailer 2
-
€1,146 EUR
$1,280 USD
View
B+
Retailer 3
-
€1,247 EUR
$1,393 USD
View
B+
Retailer 4
-
€1,284 EUR
$1,434 USD
View
Final sale: no returns
Retailer 5
-
€1,329 EUR
$1,485 USD
View
Price last confirmed 18 days ago
B+
Retailer 6
-
€1,329 EUR
$1,485 USD
View
B+
Retailer 7
-
€1,486 EUR
$1,660 USD
View
B
Retailer 8
-
€2,104 EUR
$2,351 USD
View
B
Retailer 9
-
€2,444 EUR
ZAR 44,108 ZAR
View
B
Retailer 10
-
€2,478 EUR
$2,768 USD
View
B
Retailer 11
-
€2,492 EUR
$2,784 USD
View
Most Expensive
B
MOH London
LG451055514 · Oct 29
€4,295 EUR
£3,778 GBP
View
11 more retailers have this diamond
Prices start from €618 EURSave up to €3,677 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
€618 EUR