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Heart|Lab Grown|IGI

1.60ct F IF Heart Lab Grown Diamond

ID • F/IF • IGI LG831696666

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG831696666

Diamond specifications and retailer prices

From $306 USD
As of October 30, 2026
Save $1,814 USD (86%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,120 USD 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 F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG831696666 or 831696666. Listed at 21 retailers as of October 30, 2026, with prices from $306 to $2,120, a $1,814 spread on the same certified stone. Brilliant Earth lists it at $2,120. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.60
Carat
F
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.2°
Pavilion angle35.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831696666
Dimensions7.14 × 8.15 × 4.51 mm
L/W Ratio1.14
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
7.14 mm8.15 mm1.60 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831696666
Side View
Table 59.0%Crown 38.2°Girdle: STK-THKPavilion 35.9°Culet: NoneDepth 55.3%

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: $2,120 USD|Low: $306 USD|High: $3,170 USD|Avg: $946 USD|-33.1%
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
Retailer 20
Retailer 21
November 2, 2026
Retailer 11$306 USD
Retailer 9$342 USD
Retailer 5$355 USD
Retailer 4$379 USD
Retailer 21$379 USD
Retailer 19$392 USD
Retailer 18$535 USD
Retailer 10$619 USD
Retailer 8$641 USD
Retailer 13$654 USD
Retailer 2$674 USD
Retailer 17$884 USD
Retailer 15$976 USD
Retailer 3$1,116 USD
Retailer 20$1,219 USD
Retailer 14$1,262 USD
Retailer 6$1,266 USD
Retailer 12$1,340 USD
Retailer 16$1,528 USD
Retailer 7$1,663 USD
Brilliant Earth$2,120 USD

21 data points across 21 retailers

21 retailers$306 USD to $2,120 USD

A
Cheapest Retailer
-
$306 USD
A
Retailer 2
-
$342 USD
View
Final sale: no returns
A
Retailer 3
-
$355 USD
View
Retailer 4
-
$379 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$379 USD
View
Retailer 6
-
$392 USD
£309 GBP
View
Price last confirmed 16 days ago
A
Retailer 7
-
$535 USD
View
A
Retailer 8
-
$619 USD
View
A
Retailer 9
-
$641 USD
View
A
Retailer 10
-
$654 USD
ZAR 10,562 ZAR
View
A
Retailer 11
-
$674 USD
£531 GBP
View
A
Retailer 12
-
$884 USD
A$1,360 AUD
View
A
Retailer 13
-
$976 USD
View
B+
Retailer 14
-
$1,116 USD
View
B+
Retailer 15
-
$1,219 USD
View
B+
Retailer 16
-
$1,262 USD
SGD 1,705 SGD
View
B+
Retailer 17
-
$1,266 USD
View
B+
Retailer 18
-
$1,340 USD
View
B+
Retailer 19
-
$1,528 USD
£1,203 GBP
View
B+
Retailer 20
-
$1,663 USD
View
Most Expensive
B
Brilliant Earth
21813794A · Oct 31
$2,120 USD
View
20 more retailers have this diamond
Prices start from $306 USDSave up to $1,814 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
$306 USD