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Radiant|Lab Grown|IGI

1.09ct E IF Radiant Lab Grown Diamond

EX • E/IF • IGI LG764613018

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

Certificate IGI LG764613018

Diamond specifications and retailer prices

From $298 AUD
$209 USD
As of October 30, 2026
Save $1,442 AUD (83%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,739 AUD at Reve Diamonds · As of November 1, 2026
View at Reve Diamonds

About this 1.09ct lab-grown radiant diamond

This 1.09ct lab-grown radiant sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG764613018 or 764613018. Listed at 17 retailers as of October 30, 2026, with prices from $298 to $1,739, a $1,442 spread on the same certified stone. Reve Diamonds lists it at $1,739. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle23.7°
Pavilion angle33.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG764613018
Dimensions7.21 × 5.13 × 3.35 mm
L/W Ratio1.41
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.21 mm5.13 mm1.09 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG764613018
Side View
Table 70.0%Crown 23.7°Girdle: MediumPavilion 33.3°Culet: NoneDepth 65.3%

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: Oct 30
Current: $680 AUD|Low: $285 AUD|High: $1,739 AUD|Avg: $810 AUD|+4.4%
Retailer 1
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
Reve Diamonds
November 2, 2026
Retailer 13$298 AUD
Retailer 7$333 AUD
Retailer 3$345 AUD
Retailer 4$369 AUD
Retailer 14$369 AUD
Retailer 9$598 AUD
Retailer 2$635 AUD
Retailer 8$636 AUD
Retailer 1$680 AUD
Retailer 5$814 AUD
Retailer 10$901 AUD
Retailer 15$1,184 AUD
Retailer 12$1,189 AUD
Retailer 6$1,261 AUD
Retailer 11$1,479 AUD
Reve Diamonds$1,739 AUD

45 data points across 16 retailers

17 retailers$298 AUD to $1,739 AUD

A
Cheapest Retailer
-
$298 AUD
$209 USD
A
Retailer 2
-
$333 AUD
$234 USD
View
Final sale: no returns
A
Retailer 3
-
$345 AUD
$242 USD
View
Retailer 4
-
$369 AUD
$259 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$369 AUD
$259 USD
View
A
Retailer 6
-
$598 AUD
€400 EUR
View
A
Retailer 7
-
$635 AUD
$446 USD
View
A
Retailer 8
-
$636 AUD
ZAR 7,222 ZAR
View
A
Retailer 9
-
$680 AUD
£376 GBP
View
A
Retailer 10
-
$814 AUD
$572 USD
View
A
Retailer 11
-
$901 AUD
View
B+
Retailer 12
-
$915 AUD
$643 USD
View
B+
Retailer 13
-
$1,184 AUD
$832 USD
View
B+
Retailer 14
-
$1,189 AUD
$835 USD
View
B+
Retailer 15
-
$1,261 AUD
$886 USD
View
B+
Retailer 16
-
$1,479 AUD
£818 GBP
View
Most Expensive
B
Reve Diamonds
9858C3922 · Nov 1
$1,739 AUD
$1,222 USD
View
16 more retailers have this diamond
Prices start from $298 AUDSave up to $1,442 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
1.09ct Radiant
$298 AUD