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Round|Lab Grown|IGI

1.05ct G SI1 Round Lab Grown Diamond

EX • G/SI1 • IGI LG846694853

Shape and cutting style on the report: Round brilliant

Certificate IGI LG846694853

Diamond specifications and retailer prices

From $401 AUD
£221 GBP
As of November 2, 2026
Save $1,581 AUD (80%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,983 AUD at MOH London · As of November 2, 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG846694853 or 846694853. Listed at 7 retailers as of November 2, 2026, with prices from $401 to $1,983, a $1,581 spread on the same certified stone. MOH London lists it at $1,983. 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
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846694853
Dimensions6.43 × 6.48 × 4.05 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.43 mm6.48 mm1.05 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846694853
Side View
Table 57.0%Crown 35.9°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $1,983 AUD|Low: $380 AUD|High: $1,993 AUD|Avg: $710 AUD|-0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 4$401 AUD
Retailer 5$421 AUD
Retailer 7$447 AUD
Retailer 6$452 AUD
Retailer 3$529 AUD
Retailer 2$599 AUD
MOH London$1,983 AUD

9 data points across 7 retailers

7 retailers$401 AUD to $1,983 AUD

A
Cheapest Retailer
-
$401 AUD
£221 GBP
A
Retailer 2
-
$421 AUD
€281 EUR
View
B+
Retailer 3
-
$447 AUD
$313 USD
View
A
Retailer 4
-
$452 AUD
$317 USD
View
B+
Retailer 5
-
$529 AUD
£292 GBP
View
B+
Retailer 6
-
$599 AUD
$420 USD
View
Most Expensive
B
MOH London
LG846694853 · Nov 2
$1,983 AUD
£1,094 GBP
View
6 more retailers have this diamond
Prices start from $401 AUDSave up to $1,581 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
$401 AUD