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 $496 USD
As of October 29, 2026
Save $2,085 USD (81%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,581 USD 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 $496 to $2,581, a $2,085 spread on the same certified stone. MOH London lists it at $2,581. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $2,581 USD|Low: $476 USD|High: $2,598 USD|Avg: $1,014 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
October 29, 2026
Retailer 7$496 USD
Retailer 8$554 USD
Retailer 3$555 USD
Retailer 10$615 USD
Retailer 9$730 USD
Retailer 5$755 USD
Retailer 11$957 USD
Retailer 4$1,057 USD
Retailer 2$1,274 USD
Retailer 6$1,653 USD
MOH London$2,581 USD

27 data points across 11 retailers

13 retailers$496 USD to $2,581 USD

A
Cheapest Retailer
-
$496 USD
A
Retailer 2
-
$554 USD
View
Final sale: no returns
A
Retailer 3
-
$555 USD
View
A
Retailer 4
-
$615 USD
View
Retailer 5
-
$615 USD
View
Price last confirmed 13 days ago
B+
Retailer 6
-
$730 USD
View
A
Retailer 7
-
$755 USD
View
B+
Retailer 8
-
$957 USD
View
B+
Retailer 9
-
$1,057 USD
ZAR 17,074 ZAR
View
B+
Retailer 10
-
$1,274 USD
£1,003 GBP
View
B
Retailer 11
-
$1,617 USD
View
B
Retailer 12
-
$1,653 USD
View
Most Expensive
B
MOH London
LG492122413 · Oct 29
$2,581 USD
£2,032 GBP
View
12 more retailers have this diamond
Prices start from $496 USDSave up to $2,085 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
1.00ct Round
$496 USD