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Round|Lab Grown|IGI

1.05ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG783635054

Shape and cutting style on the report: Round brilliant

Certificate IGI LG783635054

Diamond specifications and retailer prices

From $272 NZD
As of November 6, 2026
Save $2,251 NZD (89%) 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 LG783635054 or 783635054. Listed at 17 retailers as of November 5, 2026, with prices from $272 to $2,524, a $2,251 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
SymmetryVery Good
FluorescenceNone
Crown angle33.3°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG783635054
Dimensions6.60 × 6.66 × 3.96 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
6.60 mm6.66 mm1.05 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG783635054
Side View
Table 60.0%Crown 33.3°Girdle: THN-MEDPavilion 41°Culet: NoneDepth 59.8%

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 6
Current: $2,524 NZD|Low: $247 NZD|High: $2,524 NZD|Avg: $664 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 5$247 NZD
Retailer 12$272 NZD
Retailer 3$286 NZD
Retailer 4$306 NZD
Retailer 15$342 NZD
Retailer 11$509 NZD
Retailer 2$523 NZD
Retailer 17$535 NZD
Retailer 13$567 NZD
Retailer 10$594 NZD
Retailer 8$738 NZD
Retailer 7$745 NZD
Retailer 14$768 NZD
Retailer 16$834 NZD
Retailer 9$889 NZD
Retailer 6$986 NZD
MOH London$2,524 NZD

41 data points across 17 retailers

17 retailers$272 NZD to $2,524 NZD

Retailer 1
-
$247 NZD
Price last confirmed 11 days ago
A
Retailer 2
-
$272 NZD
View
Final sale: no returns
Retailer 3
-
$286 NZD
View
Price last confirmed 10 days ago
Retailer 4
-
$306 NZD
View
Price last confirmed 14 days ago
A
Retailer 5
-
$342 NZD
View
A
Retailer 6
-
$509 NZD
View
A
Retailer 7
-
$523 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
-
$889 NZD
View
Retailer 16
-
$986 NZD
View
Price last confirmed 13 days ago
Most Expensive
C
MOH London
LG783635054 · Nov 5
$2,524 NZD
£1,117 GBP
View
16 more retailers have this diamond
Prices start from $272 NZDSave up to $2,251 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
$272 NZD