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Round|Lab Grown|IGI

1.05ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG735501410

Shape and cutting style on the report: Round brilliant

Certificate IGI LG735501410

Diamond specifications and retailer prices

From $190 AUD
As of November 5, 2026
Save $1,775 AUD (90%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,965 AUD 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 LG735501410 or 735501410. Listed at 14 retailers as of November 5, 2026, with prices from $190 to $1,965, a $1,775 spread on the same certified stone. MOH London lists it at $1,965. 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 angle34.4°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG735501410
Dimensions6.57 × 6.61 × 4.01 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
6.57 mm6.61 mm1.05 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG735501410
Side View
Table 55.0%Crown 34.4°Girdle: MediumPavilion 40.7°Culet: NoneDepth 60.9%

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: $1,965 AUD|Low: $190 AUD|High: $2,281 AUD|Avg: $657 AUD|-0.3%
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
November 6, 2026
Retailer 13$190 AUD
Retailer 12$221 AUD
Retailer 6$236 AUD
Retailer 4$274 AUD
Retailer 2$390 AUD
Retailer 16$414 AUD
Retailer 14$421 AUD
Retailer 3$447 AUD
Retailer 9$463 AUD
Retailer 10$564 AUD
Retailer 15$590 AUD
Retailer 5$759 AUD
Retailer 11$801 AUD
Retailer 7$1,089 AUD
Retailer 8$1,457 AUD
MOH London$1,965 AUD

12 data points across 16 retailers

14 retailers$190 AUD to $1,965 AUD

A
Cheapest Retailer
-
$190 AUD
A
Retailer 2
-
$221 AUD
View
A
Retailer 3
-
$236 AUD
View
A
Retailer 4
-
$274 AUD
View
A
Retailer 5
-
$390 AUD
View
A
Retailer 6
-
$414 AUD
View
Retailer 7
-
$421 AUD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$447 AUD
View
A
Retailer 9
-
$463 AUD
View
B+
Retailer 10
-
$564 AUD
View
B+
Retailer 11
-
$590 AUD
View
B+
Retailer 12
-
$759 AUD
View
B
Retailer 13
-
$801 AUD
View
Most Expensive
B
MOH London
LG735501410 · Nov 5
$1,965 AUD
£1,083 GBP
View
13 more retailers have this diamond
Prices start from $190 AUDSave up to $1,775 AUD

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
$190 AUD