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Radiant|Lab Grown|IGI

1.09ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG696523180

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

Certificate IGI LG696523180

Diamond specifications and retailer prices

From $300 AUD
$211 USD
As of November 2, 2026
Save $1,935 AUD (87%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $2,235 AUD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

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 LG696523180 or 696523180. Listed at 23 retailers as of October 31, 2026, with prices from $300 to $2,235, a $1,935 spread on the same certified stone. Brilliant Earth lists it at $2,235. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.7°
Pavilion angle36.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG696523180
Dimensions7.15 × 5.07 × 3.45 mm
L/W Ratio1.41
Culet sizePointed
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
7.15 mm5.07 mm1.09 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG696523180
Side View
Table 66.0%Crown 43.7°Girdle: MED-STKPavilion 36.1°Culet: NoneDepth 68.0%

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 2
Current: $2,235 AUD|Low: $286 AUD|High: $2,577 AUD|Avg: $964 AUD|-11.3%
Brilliant Earth
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
Retailer 18
Retailer 19
November 2, 2026
Retailer 3$300 AUD
Retailer 15$335 AUD
Retailer 17$349 AUD
Retailer 6$372 AUD
Retailer 9$372 AUD
Retailer 7$642 AUD
Retailer 12$643 AUD
Retailer 2$688 AUD
Retailer 13$704 AUD
Retailer 5$712 AUD
Retailer 16$910 AUD
Retailer 4$1,196 AUD
Retailer 18$1,200 AUD
Retailer 10$1,272 AUD
Retailer 11$1,364 AUD
Retailer 14$1,499 AUD
Retailer 19$1,723 AUD
Retailer 8$1,748 AUD
Brilliant Earth$2,235 AUD

39 data points across 19 retailers

23 retailers$300 AUD to $2,235 AUD

A
Cheapest Retailer
-
$300 AUD
$211 USD
A
Retailer 2
-
$335 AUD
$235 USD
View
Final sale: no returns
A
Retailer 3
-
$349 AUD
$245 USD
View
Retailer 4
-
$372 AUD
$261 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$372 AUD
$261 USD
View
A
Retailer 6
-
$642 AUD
$451 USD
View
A
Retailer 7
-
$643 AUD
ZAR 7,292 ZAR
View
A
Retailer 8
-
$688 AUD
£380 GBP
View
A
Retailer 9
-
$704 AUD
€471 EUR
View
A
Retailer 10
-
$712 AUD
$500 USD
View
A
Retailer 11
-
$910 AUD
View
B+
Retailer 12
-
$915 AUD
$643 USD
View
B+
Retailer 13
-
$1,012 AUD
$711 USD
View
B+
Retailer 14
-
$1,196 AUD
$840 USD
View
Retailer 15
-
$1,200 AUD
$843 USD
View
Price last confirmed 13 days ago
B+
Retailer 16
-
$1,272 AUD
$894 USD
View
B+
Retailer 17
-
$1,335 AUD
$938 USD
View
Retailer 18
-
$1,364 AUD
View
Price last confirmed 24 days ago
B+
Retailer 19
-
$1,499 AUD
£829 GBP
View
Retailer 20
-
$1,679 AUD
$1,180 USD
View
Price last confirmed 63 days ago
Retailer 21
-
$1,723 AUD
$1,210 USD
View
Price last confirmed 14 days ago
B
Retailer 22
-
$1,748 AUD
$1,228 USD
View
Most Expensive
B
Brilliant Earth
14716120A · Oct 31
$2,235 AUD
$1,570 USD
View
22 more retailers have this diamond
Prices start from $300 AUDSave up to $1,935 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
$300 AUD