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Heart|Lab Grown|IGI

1.61ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG811639518

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG811639518

Diamond specifications and retailer prices

From $624 USD
As of October 30, 2026
Save $4,916 USD (89%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $5,540 USD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.61ct lab-grown heart diamond

This 1.61ct 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 LG811639518 or 811639518. Listed at 12 retailers as of October 29, 2026, with prices from $624 to $5,540, a $4,916 spread on the same certified stone. Do Amore Diamonds lists it at $5,540. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.61
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811639518
Dimensions7.86 × 7.56 × 4.57 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
7.86 mm7.56 mm1.61 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811639518
Side View
Table 56.0%Crown 34.5°Girdle: STK-THKPavilion 38.3°Culet: NoneDepth 58.1%

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: $5,540 USD|Low: $624 USD|High: $5,800 USD|Avg: $2,138 USD|-4.5%
Do Amore Diamonds
Retailer 2
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Retailer 17
October 30, 2026
Retailer 3$624 USD
Retailer 7$649 USD
Retailer 13$699 USD
Retailer 6$701 USD
Retailer 10$906 USD
Retailer 17$997 USD
Retailer 4$1,184 USD
Retailer 11$1,185 USD
Retailer 5$1,561 USD
Retailer 16$1,790 USD
Retailer 8$1,838 USD
Retailer 15$2,247 USD
Retailer 12$3,143 USD
Retailer 14$3,646 USD
Retailer 2$3,770 USD
Retailer 9$3,974 USD
Do Amore Diamonds$5,540 USD

22 data points across 17 retailers

12 retailers$624 USD to $5,540 USD

A
Cheapest Retailer
-
$624 USD
A
Retailer 2
-
$699 USD
View
A
Retailer 3
-
$906 USD
£714 GBP
View
A
Retailer 4
-
$997 USD
View
A
Retailer 5
-
$1,184 USD
View
B+
Retailer 6
-
$1,185 USD
View
B+
Retailer 7
-
$1,790 USD
View
B+
Retailer 8
-
$2,247 USD
View
B+
Retailer 9
-
$3,143 USD
£2,475 GBP
View
B
Retailer 10
-
$3,646 USD
View
B
Retailer 11
-
$3,770 USD
View
Most Expensive
B
Do Amore Diamonds
27-5ACCC7C9F · Oct 29
$5,540 USD
View
11 more retailers have this diamond
Prices start from $624 USDSave up to $4,916 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
1.61ct Heart
$624 USD