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Round|Lab Grown|IGI

1.05ct H VS1 Round Lab Grown Diamond

ID • H/VS1 • IGI LG811646820

Shape and cutting style on the report: Round brilliant

Certificate IGI LG811646820

Diamond specifications and retailer prices

From $318 NZD
As of November 3, 2026
Save $1,522 NZD (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,840 NZD at MOH London · As of November 1, 2026
View at MOH London

About this 1.05ct lab-grown round diamond

This 1.05ct lab-grown round sits in the classic one-carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG811646820 or 811646820. Listed at 18 retailers as of November 1, 2026, with prices from $318 to $1,840, a $1,522 spread on the same certified stone. MOH London lists it at $1,840. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811646820
Dimensions6.56 × 6.52 × 4.02 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.56 mm6.52 mm1.05 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811646820
Side View
Table 56.0%Crown 34.5°Girdle: MediumPavilion 40.6°Culet: NoneDepth 61.4%

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: Nov 3
Current: $1,840 NZD|Low: $304 NZD|High: $1,863 NZD|Avg: $892 NZD
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 4, 2026
Retailer 11$318 NZD
Retailer 13$393 NZD
Retailer 5$574 NZD
Retailer 9$679 NZD
Retailer 14$699 NZD
Retailer 10$729 NZD
Retailer 7$731 NZD
Retailer 3$823 NZD
Retailer 12$942 NZD
Retailer 8$960 NZD
Retailer 2$1,337 NZD
Retailer 6$1,362 NZD
Retailer 4$1,390 NZD
MOH London$1,840 NZD

31 data points across 14 retailers

18 retailers$318 NZD to $1,840 NZD

A
Cheapest Retailer
-
$318 NZD
A
Retailer 2
-
$368 NZD
View
A
Retailer 3
-
$393 NZD
View
Retailer 4
-
$395 NZD
View
Price last confirmed 10 days ago
A
Retailer 5
-
$574 NZD
View
A
Retailer 6
-
$679 NZD
View
B+
Retailer 7
-
$699 NZD
View
Retailer 8
-
$729 NZD
View
Price last confirmed 17 days ago
B+
Retailer 9
-
$731 NZD
View
B+
Retailer 10
-
$823 NZD
View
B+
Retailer 11
-
$942 NZD
View
B+
Retailer 12
-
$960 NZD
View
B+
Retailer 13
-
$1,003 NZD
View
B
Retailer 14
-
$1,266 NZD
View
B
Retailer 15
-
$1,337 NZD
View
B
Retailer 16
-
$1,362 NZD
View
B
Retailer 17
-
$1,419 NZD
View
Most Expensive
B
MOH London
LG811646820 · Nov 1
$1,840 NZD
£815 GBP
View
17 more retailers have this diamond
Prices start from $318 NZDSave up to $1,522 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
1.05ct Round
$318 NZD