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1.05ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG792663555

Shape and cutting style on the report: Round brilliant

Certificate IGI LG792663555

Diamond specifications and retailer prices

From $244 NZD
As of November 5, 2026
Save $2,280 NZD (90%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $2,524 NZD at MOH London · As of November 5, 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG792663555 or 792663555. Listed at 17 retailers as of November 5, 2026, with prices from $244 to $2,524, a $2,280 spread on the same certified stone. MOH London lists it at $2,524. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.05
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG792663555
Dimensions6.48 × 6.53 × 4.01 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.48 mm6.53 mm1.05 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG792663555
Side View
Table 58.0%Crown 33.3°Girdle: MediumPavilion 41.1°Culet: NoneDepth 61.6%

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 5
Current: $2,524 NZD|Low: $244 NZD|High: $2,524 NZD|Avg: $676 NZD|+64.7%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 6, 2026
Retailer 17$244 NZD
Retailer 14$272 NZD
Retailer 12$283 NZD
Retailer 13$302 NZD
Retailer 5$342 NZD
Retailer 2$509 NZD
Retailer 16$525 NZD
Retailer 7$535 NZD
Retailer 15$567 NZD
Retailer 10$594 NZD
Retailer 9$738 NZD
Retailer 8$745 NZD
Retailer 3$768 NZD
Retailer 6$834 NZD
Retailer 4$872 NZD
Retailer 11$975 NZD
MOH London$2,524 NZD

41 data points across 17 retailers

17 retailers$244 NZD to $2,524 NZD

A
Cheapest Retailer
-
$244 NZD
A
Retailer 2
-
$272 NZD
View
Final sale: no returns
A
Retailer 3
-
$283 NZD
View
A
Retailer 4
-
$302 NZD
View
A
Retailer 5
-
$342 NZD
View
A
Retailer 6
-
$509 NZD
View
A
Retailer 7
-
$525 NZD
View
A
Retailer 8
-
$535 NZD
View
A
Retailer 9
-
$567 NZD
View
A
Retailer 10
-
$594 NZD
View
Retailer 11
-
$738 NZD
View
Price last confirmed 30 days ago
Retailer 12
-
$745 NZD
View
Price last confirmed 11 days ago
B+
Retailer 13
-
$768 NZD
View
B+
Retailer 14
-
$834 NZD
View
B+
Retailer 15
-
$872 NZD
View
B+
Retailer 16
-
$975 NZD
View
Most Expensive
B
MOH London
LG792663555 · Nov 5
$2,524 NZD
£1,117 GBP
View
16 more retailers have this diamond
Prices start from $244 NZDSave up to $2,280 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
$244 NZD