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Round|Lab Grown|IGI

1.05ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG783638340

Shape and cutting style on the report: Round brilliant

Certificate IGI LG783638340

Diamond specifications and retailer prices

From $207 AUD
As of November 5, 2026
Save $994 AUD (83%) vs most expensive(unlock to see where)
16 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 LG783638340 or 783638340. Listed at 16 retailers as of November 4, 2026, with prices from $207 to $1,201, a $994 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG783638340
Dimensions6.51 × 6.47 × 4.03 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
6.51 mm6.47 mm1.05 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG783638340
Side View
Table 58.0%Crown 34.9°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 62.1%

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: $1,201 AUD|Low: $200 AUD|High: $1,217 AUD|Avg: $560 AUD|-0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 6$207 AUD
Retailer 7$257 AUD
Retailer 3$439 AUD
Retailer 2$454 AUD
Retailer 8$476 AUD
Retailer 10$544 AUD
Retailer 9$609 AUD
Retailer 4$657 AUD
Retailer 5$874 AUD
MOH London$1,201 AUD

43 data points across 10 retailers

16 retailers$207 AUD to $1,201 AUD

A
Cheapest Retailer
-
$207 AUD
A
Retailer 2
-
$241 AUD
View
Retailer 3
-
$257 AUD
View
Price last confirmed 12 days ago
A
Retailer 4
-
$257 AUD
View
A
Retailer 5
-
$414 AUD
View
A
Retailer 6
-
$439 AUD
View
A
Retailer 7
-
$454 AUD
View
A
Retailer 8
-
$476 AUD
View
Retailer 9
-
$544 AUD
View
Price last confirmed 65 days ago
B+
Retailer 10
-
$609 AUD
View
B+
Retailer 11
-
$657 AUD
View
B+
Retailer 12
-
$667 AUD
View
B
Retailer 13
-
$827 AUD
View
B
Retailer 14
-
$874 AUD
View
B
Retailer 15
-
$906 AUD
View
Most Expensive
B
MOH London
LG783638340 · Nov 4
$1,201 AUD
£662 GBP
View
15 more retailers have this diamond
Prices start from $207 AUDSave up to $994 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
$207 AUD