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Round|Lab Grown|IGI

1.05ct F SI1 Round Lab Grown Diamond

EX • F/SI1 • IGI LG811647135

Shape and cutting style on the report: Round brilliant

Certificate IGI LG811647135

Diamond specifications and retailer prices

From $414 AUD
As of November 6, 2026
Save $787 AUD (66%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,201 AUD at MOH London · As of November 4, 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG811647135 or 811647135. Listed at 9 retailers as of November 4, 2026, with prices from $414 to $1,201, a $787 spread on the same certified stone. MOH London lists it at $1,201. 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
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811647135
Dimensions6.49 × 6.45 × 4.05 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
6.49 mm6.45 mm1.05 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811647135
Side View
Table 57.0%Crown 35°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.6%

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 6
Current: $1,201 AUD|Low: $416 AUD|High: $1,217 AUD|Avg: $637 AUD|-0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 3$439 AUD
Retailer 5$471 AUD
Retailer 7$476 AUD
Retailer 2$487 AUD
Retailer 4$614 AUD
Retailer 6$667 AUD
MOH London$1,201 AUD

42 data points across 7 retailers

9 retailers$414 AUD to $1,201 AUD

A
Cheapest Retailer
-
$414 AUD
A
Retailer 2
-
$439 AUD
View
A
Retailer 3
-
$471 AUD
View
A
Retailer 4
-
$476 AUD
View
B+
Retailer 5
-
$487 AUD
View
B+
Retailer 6
-
$614 AUD
View
B+
Retailer 7
-
$667 AUD
View
B
Retailer 8
-
$906 AUD
View
Most Expensive
B
MOH London
LG811647135 · Nov 4
$1,201 AUD
£662 GBP
View
8 more retailers have this diamond
Prices start from $414 AUDSave up to $787 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
$414 AUD