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Round|Lab Grown|IGI

1.00ct J VVS1 Round Lab Grown Diamond

ID • J/VVS1 • IGI LG821638240

Shape and cutting style on the report: Round brilliant

Certificate IGI LG821638240

Diamond specifications and retailer prices

From $191 AUD
As of November 5, 2026
Save $1,790 AUD (90%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,981 AUD at MOH London · As of November 5, 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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG821638240 or 821638240. Listed at 13 retailers as of November 5, 2026, with prices from $191 to $1,981, a $1,790 spread on the same certified stone. MOH London lists it at $1,981. 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
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821638240
Dimensions6.43 × 6.39 × 3.89 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II Light Blue
Top View
6.43 mm6.39 mm1.00 ctJ / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821638240
Side View
Table 60.0%Crown 34.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 60.7%

Caratlytics Score

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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: Nov 5
Current: $1,981 AUD|Low: $191 AUD|High: $2,010 AUD|Avg: $616 AUD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 6, 2026
Retailer 13$191 AUD
Retailer 3$214 AUD
Retailer 12$223 AUD
Retailer 9$239 AUD
Retailer 14$239 AUD
Retailer 8$286 AUD
Retailer 7$410 AUD
Retailer 2$447 AUD
Retailer 4$589 AUD
Retailer 5$681 AUD
Retailer 11$764 AUD
Retailer 10$809 AUD
Retailer 6$844 AUD
MOH London$1,981 AUD

21 data points across 14 retailers

13 retailers$191 AUD to $1,981 AUD

A
Cheapest Retailer
-
$191 AUD
A
Retailer 2
-
$214 AUD
View
Final sale: no returns
A
Retailer 3
-
$223 AUD
View
Retailer 4
-
$239 AUD
View
Price last confirmed 12 days ago
A
Retailer 5
-
$239 AUD
View
A
Retailer 6
-
$410 AUD
View
A
Retailer 7
-
$447 AUD
View
A
Retailer 8
-
$589 AUD
View
A
Retailer 9
-
$681 AUD
View
A
Retailer 10
-
$764 AUD
View
B+
Retailer 11
-
$809 AUD
View
B+
Retailer 12
-
$844 AUD
View
Most Expensive
B
MOH London
LG821638240 · Nov 5
$1,981 AUD
£1,092 GBP
View
12 more retailers have this diamond
Prices start from $191 AUDSave up to $1,790 AUD

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
$191 AUD