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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 $238 NZD
As of November 5, 2026
Save $2,229 NZD (90%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,467 NZD 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 $238 to $2,467, a $2,229 spread on the same certified stone. MOH London lists it at $2,467. 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

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: Nov 5
Current: $2,467 NZD|Low: $238 NZD|High: $2,503 NZD|Avg: $767 NZD|-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$238 NZD
Retailer 3$267 NZD
Retailer 12$278 NZD
Retailer 9$297 NZD
Retailer 14$297 NZD
Retailer 8$356 NZD
Retailer 7$511 NZD
Retailer 2$557 NZD
Retailer 4$733 NZD
Retailer 5$849 NZD
Retailer 11$952 NZD
Retailer 10$1,007 NZD
Retailer 6$1,051 NZD
MOH London$2,467 NZD

21 data points across 14 retailers

13 retailers$238 NZD to $2,467 NZD

A
Cheapest Retailer
-
$238 NZD
A
Retailer 2
-
$267 NZD
View
Final sale: no returns
A
Retailer 3
-
$278 NZD
View
Retailer 4
-
$297 NZD
View
Price last confirmed 12 days ago
A
Retailer 5
-
$297 NZD
View
A
Retailer 6
-
$511 NZD
View
A
Retailer 7
-
$557 NZD
View
A
Retailer 8
-
$733 NZD
View
A
Retailer 9
-
$849 NZD
View
A
Retailer 10
-
$952 NZD
View
B+
Retailer 11
-
$1,007 NZD
View
B+
Retailer 12
-
$1,051 NZD
View
Most Expensive
B
MOH London
LG821638240 · Nov 5
$2,467 NZD
£1,092 GBP
View
12 more retailers have this diamond
Prices start from $238 NZDSave up to $2,229 NZD

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
$238 NZD