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Heart|Lab Grown|IGI

1.83ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG840632375

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG840632375

Diamond specifications and retailer prices

From $785 USD
As of October 30, 2026
Save $3,555 USD (82%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $4,340 USD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.83ct lab-grown heart diamond

This 1.83ct lab-grown heart sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG840632375 or 840632375. Listed at 20 retailers as of October 30, 2026, with prices from $785 to $4,340, a $3,555 spread on the same certified stone. Brilliant Earth lists it at $4,340. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.83
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.2°
Pavilion angle37.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840632375
Dimensions7.44 × 8.50 × 4.82 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
7.44 mm8.50 mm1.83 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840632375
Side View
Table 56.0%Crown 37.2°Girdle: MED-THKPavilion 37.8°Culet: NoneDepth 56.7%

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: $4,340 USD|Low: $785 USD|High: $5,870 USD|Avg: $2,128 USD|-26.1%
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
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Retailer 15
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Retailer 17
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Retailer 19
Retailer 20
October 30, 2026
Retailer 6$785 USD
Retailer 3$854 USD
Retailer 16$910 USD
Retailer 9$946 USD
Retailer 11$1,011 USD
Retailer 2$1,032 USD
Retailer 17$1,085 USD
Retailer 5$1,158 USD
Retailer 13$1,393 USD
Retailer 7$1,471 USD
Retailer 20$1,591 USD
Retailer 15$1,673 USD
Retailer 8$2,165 USD
Retailer 18$2,560 USD
Retailer 19$2,991 USD
Retailer 4$3,147 USD
Retailer 14$3,430 USD
Retailer 12$3,606 USD
Retailer 10$3,865 USD
Brilliant Earth$4,340 USD

17 data points across 20 retailers

20 retailers$785 USD to $4,340 USD

A
Cheapest Retailer
-
$785 USD
A
Retailer 2
-
$854 USD
View
A
Retailer 3
-
$910 USD
View
Retailer 4
-
$946 USD
View
Price last confirmed 13 days ago
A
Retailer 5
-
$1,011 USD
View
Final sale: no returns
A
Retailer 6
-
$1,032 USD
£813 GBP
View
A
Retailer 7
-
$1,085 USD
View
A
Retailer 8
-
$1,158 USD
View
A
Retailer 9
-
$1,393 USD
£1,097 GBP
View
B+
Retailer 10
-
$1,471 USD
View
B+
Retailer 11
-
$1,591 USD
View
B+
Retailer 12
-
$1,673 USD
ZAR 27,035 ZAR
View
B+
Retailer 13
-
$2,165 USD
View
B+
Retailer 14
-
$2,560 USD
View
B
Retailer 15
-
$2,991 USD
View
B
Retailer 16
-
$3,147 USD
View
B
Retailer 17
-
$3,430 USD
£2,701 GBP
View
B
Retailer 18
-
$3,606 USD
SGD 4,873 SGD
View
B
Retailer 19
-
$3,865 USD
View
Most Expensive
B
Brilliant Earth
21826816A · Oct 30
$4,340 USD
View
19 more retailers have this diamond
Prices start from $785 USDSave up to $3,555 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
1.83ct Heart
$785 USD