Heart|Lab Grown|IGI

1.01ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG818661790

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG818661790

Diamond specifications and retailer prices

From $379 USD
As of November 1, 2026
Save $1,310 USD (78%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,689 USD at MOH London · As of November 1, 2026
View at MOH London

About this 1.01ct lab-grown heart diamond

This 1.01ct lab-grown heart sits in the classic one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818661790 or 818661790. Listed at 18 retailers as of November 1, 2026, with prices from $379 to $1,689, a $1,310 spread on the same certified stone. MOH London lists it at $1,689. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.01
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle37°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818661790
Dimensions6.31 × 6.83 × 3.92 mm
L/W Ratio1.08
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
6.31 mm6.83 mm1.01 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818661790
Side View
Table 59.0%Crown 35.2°Girdle: MED-STKPavilion 37°Culet: NoneDepth 57.4%

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: Nov 1
Current: $1,689 USD|Low: $326 USD|High: $2,008 USD|Avg: $978 USD|-14.9%
MOH London
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
November 1, 2026
Retailer 3$379 USD
Retailer 5$409 USD
Retailer 6$508 USD
Retailer 8$575 USD
Retailer 11$595 USD
Retailer 13$598 USD
Retailer 7$679 USD
Retailer 10$724 USD
Retailer 2$756 USD
Retailer 14$957 USD
Retailer 9$1,236 USD
Retailer 4$1,398 USD
Retailer 12$1,640 USD
MOH London$1,689 USD

37 data points across 14 retailers

18 retailers$379 USD to $1,689 USD

A
Cheapest Retailer
-
$379 USD
Final sale: no returns
Retailer 2
-
$409 USD
View
Price last confirmed 24 days ago
Retailer 3
-
$459 USD
View
Price last confirmed 33 days ago
Retailer 4
-
$501 USD
View
Price last confirmed 37 days ago
Retailer 5
-
$508 USD
View
Price last confirmed 29 days ago
Retailer 6
-
$508 USD
View
Price last confirmed 20 days ago
B+
Retailer 7
-
$575 USD
View
B+
Retailer 8
-
$595 USD
View
B+
Retailer 9
-
$598 USD
View
B+
Retailer 10
-
$679 USD
€647 EUR
View
B+
Retailer 11
-
$724 USD
ZAR 11,702 ZAR
View
B+
Retailer 12
-
$756 USD
£595 GBP
View
B+
Retailer 13
-
$957 USD
View
B+
Retailer 14
-
$1,236 USD
View
B
Retailer 15
-
$1,398 USD
View
Retailer 16
-
$1,632 USD
View
Price last confirmed 31 days ago
B
Retailer 17
-
$1,640 USD
View
Most Expensive
B
MOH London
LG818661790 · Nov 1
$1,689 USD
£1,330 GBP
View
17 more retailers have this diamond
Prices start from $379 USDSave up to $1,310 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
1.01ct Heart
$379 USD