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Round|Lab Grown|IGI

1.79ct F SI1 Round Lab Grown Diamond

EX • F/SI1 • IGI LG787619994

Shape and cutting style on the report: Round brilliant

Certificate IGI LG787619994

Diamond specifications and retailer prices

From $332 AUD
$233 USD
As of November 1, 2026
Save $1,322 AUD (80%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,655 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 1.79ct lab-grown round diamond

This 1.79ct lab-grown round sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG787619994 or 787619994. Listed at 13 retailers as of November 1, 2026, with prices from $332 to $1,655, a $1,322 spread on the same certified stone. MOH London lists it at $1,655. 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

1.79
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787619994
Dimensions7.76 × 7.71 × 4.78 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
7.76 mm7.71 mm1.79 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787619994
Side View
Table 59.0%Crown 36.4°Girdle: MediumPavilion 40.6°Culet: NoneDepth 61.9%

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 1
Current: $1,655 AUD|Low: $330 AUD|High: $2,625 AUD|Avg: $940 AUD|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 9$332 AUD
Retailer 10$372 AUD
Retailer 3$412 AUD
Retailer 2$679 AUD
Retailer 12$701 AUD
Retailer 5$771 AUD
Retailer 11$788 AUD
Retailer 4$823 AUD
Retailer 8$1,073 AUD
Retailer 7$1,177 AUD
Retailer 6$1,555 AUD
MOH London$1,655 AUD

34 data points across 12 retailers

13 retailers$332 AUD to $1,655 AUD

A
Cheapest Retailer
-
$332 AUD
$233 USD
A
Retailer 2
-
$372 AUD
$261 USD
View
Final sale: no returns
Retailer 3
-
$412 AUD
$289 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
$679 AUD
€453 EUR
View
B+
Retailer 5
-
$701 AUD
$491 USD
View
A
Retailer 6
-
$771 AUD
£426 GBP
View
A
Retailer 7
-
$788 AUD
$552 USD
View
B+
Retailer 8
-
$823 AUD
$577 USD
View
B+
Retailer 9
-
$1,073 AUD
$752 USD
View
B+
Retailer 10
-
$1,177 AUD
$825 USD
View
Retailer 11
-
$1,211 AUD
$849 USD
View
Price last confirmed 48 days ago
B
Retailer 12
-
$1,555 AUD
$1,090 USD
View
Most Expensive
B
MOH London
LG787619994 · Nov 1
$1,655 AUD
£913 GBP
View
12 more retailers have this diamond
Prices start from $332 AUDSave up to $1,322 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
1.79ct Round
$332 AUD