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Round|Lab Grown|IGI

1.00ct J VS1 Round Lab Grown Diamond

ID • J/VS1 • IGI LG492122413

Shape and cutting style on the report: Round brilliant

Certificate IGI LG492122413

Diamond specifications and retailer prices

From €444 EUR
$496 USD
As of October 29, 2026
Save €1,866 EUR (81%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €2,310 EUR at MOH London · As of October 29, 2026
View at MOH London

About this 1ct lab-grown round diamond

This 1ct 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 LG492122413 or 492122413. Listed at 13 retailers as of October 29, 2026, with prices from €444 to €2,310, a €1,866 spread on the same certified stone. MOH London lists it at €2,310. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
J
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG492122413
Dimensions6.50 × 6.49 × 3.89 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
6.50 mm6.49 mm1.00 ctJ / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG492122413
Side View
Table 58.0%Crown 34.3°Girdle: THN-MEDPavilion 40.4°CuletDepth 59.9%

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 29
Current: €2,310 EUR|Low: €426 EUR|High: €2,326 EUR|Avg: €908 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
October 30, 2026
Retailer 7€444 EUR
Retailer 8€496 EUR
Retailer 3€497 EUR
Retailer 10€550 EUR
Retailer 9€653 EUR
Retailer 5€676 EUR
Retailer 11€857 EUR
Retailer 4€946 EUR
Retailer 2€1,137 EUR
Retailer 6€1,480 EUR
MOH London€2,310 EUR

28 data points across 11 retailers

13 retailers€444 EUR to €2,310 EUR

A
Cheapest Retailer
-
€444 EUR
$496 USD
A
Retailer 2
-
€496 EUR
$554 USD
View
Final sale: no returns
A
Retailer 3
-
€497 EUR
$555 USD
View
A
Retailer 4
-
€550 EUR
$615 USD
View
Retailer 5
-
€550 EUR
$615 USD
View
Price last confirmed 14 days ago
B+
Retailer 6
-
€653 EUR
$730 USD
View
A
Retailer 7
-
€676 EUR
$755 USD
View
B+
Retailer 8
-
€857 EUR
$957 USD
View
B+
Retailer 9
-
€946 EUR
ZAR 17,074 ZAR
View
B+
Retailer 10
-
€1,137 EUR
£1,000 GBP
View
B
Retailer 11
-
€1,447 EUR
$1,617 USD
View
B
Retailer 12
-
€1,480 EUR
$1,653 USD
View
Most Expensive
B
MOH London
LG492122413 · Oct 29
€2,310 EUR
£2,032 GBP
View
12 more retailers have this diamond
Prices start from €444 EURSave up to €1,866 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
1.00ct Round
€444 EUR