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Heart|Lab Grown|IGI

1.60ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG843604948

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG843604948

Diamond specifications and retailer prices

From $786 AUD
£435 GBP
As of November 1, 2026
Save $4,666 AUD (86%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $5,452 AUD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.6ct lab-grown heart diamond

This 1.6ct 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 LG843604948 or 843604948. Listed at 11 retailers as of October 31, 2026, with prices from $786 to $5,452, a $4,666 spread on the same certified stone. Brilliant Earth lists it at $5,452. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.60
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843604948
Dimensions7.81 × 7.49 × 4.70 mm
L/W Ratio1.04
Girdle conditionFaceted
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
7.81 mm7.49 mm1.60 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843604948
Side View
Table 59.0%Crown 34°Girdle: STK-THKPavilion 40.6°Culet: NoneDepth 60.2%

Caratlytics Score

How it works →
A+
Exceptional
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: Nov 1
Current: $5,452 AUD|Low: $786 AUD|High: $6,563 AUD|Avg: $2,323 AUD|-16.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 4$786 AUD
Retailer 7$968 AUD
Retailer 10$1,072 AUD
Retailer 5$1,209 AUD
Retailer 3$1,297 AUD
Retailer 6$1,731 AUD
Retailer 11$1,804 AUD
Retailer 8$1,889 AUD
Retailer 2$2,730 AUD
Retailer 9$4,826 AUD
Brilliant Earth$5,452 AUD

14 data points across 11 retailers

11 retailers$786 AUD to $5,452 AUD

A+
Cheapest Retailer
-
$786 AUD
£435 GBP
A
Retailer 2
-
$968 AUD
$680 USD
View
A
Retailer 3
-
$1,072 AUD
$753 USD
View
A
Retailer 4
-
$1,209 AUD
€809 EUR
View
A
Retailer 5
-
$1,297 AUD
$911 USD
View
B+
Retailer 6
-
$1,731 AUD
View
B+
Retailer 7
-
$1,804 AUD
$1,267 USD
View
B+
Retailer 8
-
$1,889 AUD
$1,327 USD
View
B+
Retailer 9
-
$2,730 AUD
£1,510 GBP
View
B
Retailer 10
-
$4,826 AUD
$3,390 USD
View
Most Expensive
B
Brilliant Earth
22165649Y · Oct 31
$5,452 AUD
$3,830 USD
View
10 more retailers have this diamond
Prices start from $786 AUDSave up to $4,666 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+
1.60ct Heart
$786 AUD