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 $554 USD
£436 GBP
As of October 30, 2026
Save $3,276 USD (86%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $3,830 USD at Brilliant Earth · As of October 30, 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 30, 2026, with prices from $554 to $3,830, a $3,276 spread on the same certified stone. Brilliant Earth lists it at $3,830. 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
Color
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

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A+
Exceptional
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: $3,830 USD|Low: $553 USD|High: $4,610 USD|Avg: $1,642 USD|-16.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 4$554 USD
Retailer 6$680 USD
Retailer 9$753 USD
Retailer 2$849 USD
Retailer 3$911 USD
Retailer 5$1,216 USD
Retailer 11$1,267 USD
Retailer 7$1,327 USD
Retailer 10$1,920 USD
Retailer 8$3,390 USD
Brilliant Earth$3,830 USD

13 data points across 11 retailers

11 retailers$554 USD to $3,830 USD

A+
Cheapest Retailer
-
$554 USD
£436 GBP
A
Retailer 2
-
$680 USD
View
A
Retailer 3
-
$753 USD
View
A
Retailer 4
-
$849 USD
€809 EUR
View
A
Retailer 5
-
$911 USD
View
B+
Retailer 6
-
$1,216 USD
A$1,871 AUD
View
B+
Retailer 7
-
$1,267 USD
View
B+
Retailer 8
-
$1,327 USD
View
B+
Retailer 9
-
$1,920 USD
£1,512 GBP
View
B
Retailer 10
-
$3,390 USD
View
Most Expensive
B
Brilliant Earth
22165649Y · Oct 30
$3,830 USD
View
10 more retailers have this diamond
Prices start from $554 USDSave up to $3,276 USD

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
$554 USD