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Round|Lab Grown|IGI

1.00ct G VVS1 Round Lab Grown Diamond

ID • G/VVS1 • IGI LG840645920

Shape and cutting style on the report: Round brilliant

Certificate IGI LG840645920

Diamond specifications and retailer prices

From $307 NZD
$173 USD
As of October 30, 2026
Save $1,223 NZD (80%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,530 NZD at MOH London · As of November 1, 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 G colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG840645920 or 840645920. Listed at 13 retailers as of October 30, 2026, with prices from $307 to $1,530, a $1,223 spread on the same certified stone. MOH London lists it at $1,530. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
G
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840645920
Dimensions6.46 × 6.49 × 3.91 mm
L/W Ratio1.00
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 Faint Blue
Top View
6.46 mm6.49 mm1.00 ctG / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840645920
Side View
Table 59.0%Crown 33.7°Girdle: MediumPavilion 40.7°Culet: NoneDepth 60.4%

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: $1,530 NZD|Low: $300 NZD|High: $1,539 NZD|Avg: $723 NZD|+0.7%
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
November 1, 2026
Retailer 12$307 NZD
Retailer 10$328 NZD
Retailer 7$547 NZD
Retailer 11$559 NZD
Retailer 6$565 NZD
Retailer 8$566 NZD
Retailer 9$568 NZD
Retailer 4$601 NZD
Retailer 2$798 NZD
Retailer 5$896 NZD
Retailer 3$1,112 NZD
Retailer 13$1,151 NZD
MOH London$1,530 NZD

29 data points across 13 retailers

13 retailers$307 NZD to $1,530 NZD

A
Cheapest Retailer
-
$307 NZD
$173 USD
Retailer 2
-
$328 NZD
$185 USD
View
Price last confirmed 7 days ago
A
Retailer 3
-
$547 NZD
£243 GBP
View
A
Retailer 4
-
$559 NZD
$315 USD
View
A
Retailer 5
-
$565 NZD
ZAR 5,145 ZAR
View
A
Retailer 6
-
$566 NZD
£251 GBP
View
A
Retailer 7
-
$568 NZD
€305 EUR
View
B+
Retailer 8
-
$601 NZD
$339 USD
View
B+
Retailer 9
-
$798 NZD
A$692 AUD
View
Retailer 10
-
$896 NZD
$505 USD
View
Price last confirmed 25 days ago
B
Retailer 11
-
$1,112 NZD
$627 USD
View
B
Retailer 12
-
$1,151 NZD
$649 USD
View
Most Expensive
B
MOH London
LG840645920 · Nov 1
$1,530 NZD
£679 GBP
View
12 more retailers have this diamond
Prices start from $307 NZDSave up to $1,223 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
$307 NZD