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Round|Lab Grown|IGI

1.00ct G VS1 Round Lab Grown Diamond

EX • G/VS1 • IGI LG818687089

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818687089

Diamond specifications and retailer prices

From $1,085 NZD
As of October 28, 2026
19 retailers carry this diamond
Most expensive: $1,542 NZD at MOH London · As of October 21, 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG818687089 or 818687089. Listed at 19 retailers as of October 28, 2026. 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
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818687089
Dimensions6.38 × 6.41 × 3.96 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.38 mm6.41 mm1.00 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818687089
Side View
Table 58.0%Crown 33.7°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 61.9%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $1,542 NZD|Low: $254 NZD|High: $1,551 NZD|Avg: $722 NZD|-0.4%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
October 26, 2026
Retailer 18$265 NZD
Retailer 19$308 NZD
Retailer 4$329 NZD
Retailer 6$329 NZD
Retailer 10$501 NZD
Retailer 13$537 NZD
Retailer 16$553 NZD
Retailer 14$565 NZD
Retailer 3$603 NZD
Retailer 12$619 NZD
Retailer 5$711 NZD
Retailer 8$761 NZD
Retailer 15$802 NZD
Retailer 7$1,054 NZD
Retailer 2$1,085 NZD
Retailer 17$1,115 NZD
Retailer 9$1,138 NZD
Retailer 11$1,152 NZD
MOH London$1,542 NZD

22 data points across 19 retailers

19 retailers

Retailer 1
-
$265 NZD
Price last confirmed 13 days ago
Retailer 2
-
$308 NZD
View
Price last confirmed 11 days ago
Retailer 3
-
$329 NZD
View
Price last confirmed 19 days ago
Retailer 4
-
$329 NZD
View
Price last confirmed 12 days ago
Retailer 5
-
$501 NZD
View
Price last confirmed 11 days ago
Retailer 6
-
$537 NZD
View
Price last confirmed 10 days ago
Retailer 7
-
$553 NZD
View
Price last confirmed 12 days ago
Retailer 8
-
$565 NZD
View
Price last confirmed 11 days ago
Retailer 9
-
$603 NZD
View
Price last confirmed 12 days ago
Retailer 10
-
$619 NZD
View
Price last confirmed 8 days ago
Retailer 11
-
$693 NZD
View
Price last confirmed 14 days ago
Retailer 12
-
$711 NZD
View
Price last confirmed 31 days ago
Retailer 13
-
$761 NZD
View
Price last confirmed 11 days ago
Retailer 14
-
$802 NZD
View
Price last confirmed 12 days ago
Retailer 15
-
$1,054 NZD
View
Price last confirmed 11 days ago
B
Retailer 16
-
$1,085 NZD
View
Retailer 17
-
$1,138 NZD
View
Price last confirmed 11 days ago
Retailer 18
-
$1,152 NZD
View
Price last confirmed 12 days ago
Most Expensive
MOH London
LG818687089 · Oct 21
$1,542 NZD
£683 GBP
View
Price last confirmed 14 days ago
18 more retailers have this diamond
Prices start from $1,085 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.

B
1.00ct Round
$1,085 NZD