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Heart|Lab Grown|IGI

1.09ct E IF Heart Lab Grown Diamond

EX • E/IF • IGI LG593305276

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG593305276

Diamond specifications and retailer prices

From $447 AUD
$314 USD
As of October 30, 2026
Save $2,528 AUD (85%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,975 AUD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.09ct lab-grown heart diamond

This 1.09ct lab-grown heart 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 LG593305276 or 593305276. Listed at 19 retailers as of October 30, 2026, with prices from $447 to $2,975, a $2,528 spread on the same certified stone. Brilliant Earth lists it at $2,975. 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 angle32.7°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG593305276
Dimensions6.52 × 7.09 × 4.10 mm
L/W Ratio1.09
Girdle conditionFaceted
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
6.52 mm7.09 mm1.09 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG593305276
Side View
Table 60.0%Crown 32.7°Girdle: MED-STKPavilion 38.6°Culet: NoneDepth 57.8%

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: $2,975 AUD|Low: $438 AUD|High: $2,990 AUD|Avg: $1,199 AUD|-0.5%
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
November 1, 2026
Retailer 8$447 AUD
Retailer 2$505 AUD
Retailer 5$520 AUD
Retailer 15$555 AUD
Retailer 4$747 AUD
Retailer 6$776 AUD
Retailer 16$898 AUD
Retailer 3$953 AUD
Retailer 7$968 AUD
Retailer 11$989 AUD
Retailer 12$1,000 AUD
Retailer 18$1,354 AUD
Retailer 13$1,367 AUD
Retailer 17$1,784 AUD
Retailer 9$1,849 AUD
Retailer 14$1,993 AUD
Retailer 10$2,273 AUD
Brilliant Earth$2,975 AUD

34 data points across 18 retailers

19 retailers$447 AUD to $2,975 AUD

A
Cheapest Retailer
-
$447 AUD
$314 USD
A
Retailer 2
-
$505 AUD
$355 USD
View
Final sale: no returns
A
Retailer 3
-
$520 AUD
$365 USD
View
A
Retailer 4
-
$555 AUD
$390 USD
View
Retailer 5
-
$567 AUD
$398 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
$747 AUD
$525 USD
View
A
Retailer 7
-
$776 AUD
$545 USD
View
B+
Retailer 8
-
$898 AUD
$631 USD
View
B+
Retailer 9
-
$953 AUD
ZAR 10,819 ZAR
View
B+
Retailer 10
-
$968 AUD
$680 USD
View
B+
Retailer 11
-
$989 AUD
£547 GBP
View
B+
Retailer 12
-
$1,000 AUD
€669 EUR
View
B+
Retailer 13
-
$1,354 AUD
View
B+
Retailer 14
-
$1,367 AUD
$960 USD
View
B
Retailer 15
-
$1,784 AUD
$1,253 USD
View
B
Retailer 16
-
$1,849 AUD
$1,299 USD
View
B
Retailer 17
-
$1,993 AUD
$1,400 USD
View
B
Retailer 18
-
$2,273 AUD
£1,257 GBP
View
Most Expensive
B
Brilliant Earth
11244732A · Oct 31
$2,975 AUD
$2,090 USD
View
18 more retailers have this diamond
Prices start from $447 AUDSave up to $2,528 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 Heart
$447 AUD