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Heart|Lab Grown|IGI

1.90ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG818653771

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG818653771

Diamond specifications and retailer prices

From $814 USD
As of October 30, 2026
Save $4,536 USD (85%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $5,350 USD at With Clarity · As of October 31, 2026
View at With Clarity

About this 1.9ct lab-grown heart diamond

This 1.9ct 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 LG818653771 or 818653771. Listed at 19 retailers as of October 30, 2026, with prices from $814 to $5,350, a $4,536 spread on the same certified stone. With Clarity lists it at $5,350. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.90
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.3°
Pavilion angle37.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818653771
Dimensions8.48 × 7.46 × 4.97 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
8.48 mm7.46 mm1.90 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818653771
Side View
Table 59.0%Crown 37.3°Girdle: MED-THKPavilion 37.6°Culet: NoneDepth 58.6%

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: $3,105 USD|Low: $814 USD|High: $6,100 USD|Avg: $2,277 USD|-24.7%
Retailer 1
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
With Clarity
October 30, 2026
Retailer 6$814 USD
Retailer 3$885 USD
Retailer 17$944 USD
Retailer 10$981 USD
Retailer 8$1,050 USD
Retailer 15$1,120 USD
Retailer 5$1,193 USD
Retailer 12$1,449 USD
Retailer 16$1,522 USD
Retailer 2$1,703 USD
Retailer 14$1,735 USD
Retailer 7$1,975 USD
Retailer 18$2,654 USD
Retailer 1$3,105 USD
Retailer 4$3,267 USD
Retailer 13$3,557 USD
Retailer 9$3,739 USD
Retailer 11$4,270 USD
With Clarity$5,350 USD

35 data points across 19 retailers

19 retailers$814 USD to $5,350 USD

A
Cheapest Retailer
-
$814 USD
A
Retailer 2
-
$885 USD
View
A
Retailer 3
-
$944 USD
View
Retailer 4
-
$981 USD
View
Price last confirmed 14 days ago
A
Retailer 5
-
$1,050 USD
View
Final sale: no returns
A
Retailer 6
-
$1,120 USD
View
A
Retailer 7
-
$1,193 USD
View
A
Retailer 8
-
$1,449 USD
£1,141 GBP
View
B+
Retailer 9
-
$1,522 USD
View
B+
Retailer 10
-
$1,703 USD
View
B+
Retailer 11
-
$1,735 USD
ZAR 28,032 ZAR
View
B+
Retailer 12
-
$1,975 USD
View
B
Retailer 13
-
$2,654 USD
View
B+
Retailer 14
-
$3,105 USD
View
B
Retailer 15
-
$3,267 USD
View
B+
Retailer 16
-
$3,557 USD
£2,801 GBP
View
B
Retailer 17
-
$3,739 USD
SGD 5,053 SGD
View
B
Retailer 18
-
$4,270 USD
View
Most Expensive
B
With Clarity
818653771 · Oct 31
$5,350 USD
View
18 more retailers have this diamond
Prices start from $814 USDSave up to $4,536 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
1.90ct Heart
$814 USD