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Radiant|Lab Grown|IGI

1.79ct F SI1 Radiant Lab Grown Diamond

GD • F/SI1 • IGI LG612339021

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG612339021

Diamond specifications and retailer prices

From $270 AUD
$189 USD
As of October 27, 2026
Save $2,327 AUD (90%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,597 AUD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.79ct lab-grown radiant diamond

This 1.79ct lab-grown radiant sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG612339021 or 612339021. Listed at 12 retailers as of October 27, 2026, with prices from $270 to $2,597, a $2,327 spread on the same certified stone. Do Amore Diamonds lists it at $2,597. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.79
Carat
F
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.9°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG612339021
Dimensions8.59 × 5.93 × 4.06 mm
L/W Ratio1.45
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.59 mm5.93 mm1.79 ctF / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG612339021
Side View
Table 65.0%Crown 41.9°Girdle: MediumPavilion 35.3°Culet: NoneDepth 68.5%

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: Oct 27
Current: $2,597 AUD|Low: $270 AUD|High: $2,697 AUD|Avg: $1,148 AUD|-3.7%
Do Amore Diamonds
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
October 29, 2026
Retailer 13$270 AUD
Retailer 3$314 AUD
Retailer 11$314 AUD
Retailer 10$476 AUD
Retailer 7$522 AUD
Retailer 15$589 AUD
Retailer 6$791 AUD
Retailer 9$1,004 AUD
Retailer 12$1,082 AUD
Retailer 14$1,189 AUD
Retailer 5$1,213 AUD
Retailer 2$1,490 AUD
Retailer 17$1,554 AUD
Retailer 8$1,717 AUD
Retailer 16$1,855 AUD
Retailer 4$2,112 AUD
Do Amore Diamonds$2,597 AUD

24 data points across 17 retailers

12 retailers$270 AUD to $2,597 AUD

A
Cheapest Retailer
-
$270 AUD
$189 USD
A
Retailer 2
-
$314 AUD
$220 USD
View
B+
Retailer 3
-
$314 AUD
$220 USD
View
Final sale: no returns
A
Retailer 4
-
$476 AUD
£263 GBP
View
B+
Retailer 5
-
$589 AUD
$413 USD
View
Retailer 6
-
$1,082 AUD
$758 USD
View
Price last confirmed 7 days ago
B+
Retailer 7
-
$1,189 AUD
$833 USD
View
B
Retailer 8
-
$1,490 AUD
£822 GBP
View
B
Retailer 9
-
$1,554 AUD
$1,089 USD
View
B
Retailer 10
-
$1,855 AUD
$1,300 USD
View
B
Retailer 11
-
$2,112 AUD
$1,480 USD
View
Most Expensive
B
Do Amore Diamonds
27-B24787836 · Oct 29
$2,597 AUD
$1,820 USD
View
11 more retailers have this diamond
Prices start from $270 AUDSave up to $2,327 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 Radiant
$270 AUD