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Round|Lab Grown|IGI

1.19ct F SI1 Round Lab Grown Diamond

EX • F/SI1 • IGI LG720547059

Shape and cutting style on the report: Round brilliant

Certificate IGI LG720547059

Diamond specifications and retailer prices

From $227 AUD
As of November 5, 2026
Save $755 AUD (77%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,320 AUD at MOH London · As of October 29, 2026
View at MOH London

About this 1.19ct lab-grown round diamond

This 1.19ct 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 LG720547059 or 720547059. Listed at 18 retailers as of November 5, 2026, with a 333% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.19
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG720547059
Dimensions6.85 × 6.80 × 4.12 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
6.85 mm6.80 mm1.19 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG720547059
Side View
Table 62.0%Crown 34.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 60.3%

Caratlytics Score

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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 5
Current: $1,320 AUD|Low: $215 AUD|High: $1,327 AUD|Avg: $587 AUD|-0.6%
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 4$227 AUD
Retailer 15$262 AUD
Retailer 3$281 AUD
Retailer 9$281 AUD
Retailer 11$482 AUD
Retailer 10$489 AUD
Retailer 2$490 AUD
Retailer 8$511 AUD
Retailer 17$521 AUD
Retailer 12$538 AUD
Retailer 14$669 AUD
Retailer 16$669 AUD
Retailer 7$754 AUD
Retailer 5$902 AUD
Retailer 13$953 AUD
Retailer 6$982 AUD
MOH London$1,320 AUD

37 data points across 17 retailers

18 retailers$227 AUD to $982 AUD

A
Cheapest Retailer
-
$227 AUD
A
Retailer 2
-
$262 AUD
View
Retailer 3
-
$281 AUD
View
Price last confirmed 13 days ago
A
Retailer 4
-
$281 AUD
View
A
Retailer 5
-
$482 AUD
View
A
Retailer 6
-
$489 AUD
View
A
Retailer 7
-
$490 AUD
View
B+
Retailer 8
-
$511 AUD
View
A
Retailer 9
-
$521 AUD
View
A
Retailer 10
-
$538 AUD
View
B+
Retailer 11
-
$669 AUD
View
B+
Retailer 12
-
$669 AUD
View
B+
Retailer 13
-
$731 AUD
View
B+
Retailer 14
-
$754 AUD
View
B
Retailer 15
-
$902 AUD
View
B
Retailer 16
-
$953 AUD
View
B
Retailer 17
-
$982 AUD
View
Most Expensive
MOH London
LG720547059 · Oct 29
$1,320 AUD
£714 GBP
View
Price last confirmed 8 days ago
17 more retailers have this diamond
Prices start from $227 AUDSave up to $755 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
1.19ct Round
$227 AUD