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Heart|Lab Grown|IGI

1.61ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG745505082

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG745505082

Diamond specifications and retailer prices

From $429 AUD
$301 USD
As of October 30, 2026
Save $4,995 AUD (92%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $5,424 AUD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.61ct lab-grown heart diamond

This 1.61ct lab-grown heart sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG745505082 or 745505082. Listed at 12 retailers as of October 30, 2026, with prices from $429 to $5,424, a $4,995 spread on the same certified stone. Brilliant Earth lists it at $5,424. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.61
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG745505082
Dimensions7.04 × 8.31 × 4.69 mm
L/W Ratio1.18
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
7.04 mm8.31 mm1.61 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG745505082
Side View
Table 58.0%Crown 34.6°Girdle: STK-THKPavilion 38.1°Culet: NoneDepth 56.4%

Caratlytics Score

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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: $5,424 AUD|Low: $429 AUD|High: $6,805 AUD|Avg: $1,958 AUD|-20.3%
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
November 1, 2026
Retailer 3$429 AUD
Retailer 13$497 AUD
Retailer 4$568 AUD
Retailer 9$847 AUD
Retailer 12$866 AUD
Retailer 11$905 AUD
Retailer 6$1,238 AUD
Retailer 5$1,250 AUD
Retailer 8$1,365 AUD
Retailer 10$1,452 AUD
Retailer 15$1,883 AUD
Retailer 2$2,347 AUD
Retailer 7$2,729 AUD
Retailer 14$3,801 AUD
Brilliant Earth$5,424 AUD

26 data points across 15 retailers

12 retailers$429 AUD to $5,424 AUD

A
Cheapest Retailer
-
$429 AUD
$301 USD
A
Retailer 2
-
$497 AUD
$349 USD
View
A
Retailer 3
-
$568 AUD
$399 USD
View
Final sale: no returns
A
Retailer 4
-
$847 AUD
$595 USD
View
A
Retailer 5
-
$866 AUD
$608 USD
View
A
Retailer 6
-
$905 AUD
$636 USD
View
A
Retailer 7
-
$1,365 AUD
View
A
Retailer 8
-
$1,452 AUD
$1,020 USD
View
B+
Retailer 9
-
$1,883 AUD
$1,323 USD
View
B+
Retailer 10
-
$2,347 AUD
£1,298 GBP
View
B
Retailer 11
-
$3,801 AUD
$2,670 USD
View
Most Expensive
B
Brilliant Earth
21415375Y · Oct 31
$5,424 AUD
$3,810 USD
View
11 more retailers have this diamond
Prices start from $429 AUDSave up to $4,995 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
1.61ct Heart
$429 AUD