Heart|Lab Grown|IGI

1.03ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG816612622

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG816612622

Diamond specifications and retailer prices

From $386 USD
As of October 30, 2026
Save $2,004 USD (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,390 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.03ct lab-grown heart diamond

This 1.03ct 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 LG816612622 or 816612622. Listed at 18 retailers as of October 30, 2026, with prices from $386 to $2,390, a $2,004 spread on the same certified stone. Brilliant Earth lists it at $2,390. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.7°
Pavilion angle36.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816612622
Dimensions7.02 × 6.25 × 3.94 mm
L/W Ratio1.12
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
7.02 mm6.25 mm1.03 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816612622
Side View
Table 57.0%Crown 38.7°Girdle: MED-THKPavilion 36.4°Culet: NoneDepth 56.1%

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: $2,390 USD|Low: $312 USD|High: $2,790 USD|Avg: $1,157 USD|-14.3%
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
November 1, 2026
Retailer 3$386 USD
Retailer 5$487 USD
Retailer 6$580 USD
Retailer 10$605 USD
Retailer 12$619 USD
Retailer 9$738 USD
Retailer 2$771 USD
Retailer 13$976 USD
Retailer 7$1,056 USD
Retailer 4$1,422 USD
Retailer 11$1,660 USD
Retailer 8$1,687 USD
Brilliant Earth$2,390 USD

33 data points across 13 retailers

18 retailers$386 USD to $2,390 USD

A
Cheapest Retailer
-
$386 USD
Final sale: no returns
Retailer 2
-
$411 USD
View
Price last confirmed 23 days ago
Retailer 3
-
$461 USD
View
Price last confirmed 33 days ago
Retailer 4
-
$480 USD
View
Price last confirmed 36 days ago
Retailer 5
-
$510 USD
View
Price last confirmed 28 days ago
Retailer 6
-
$510 USD
View
Price last confirmed 19 days ago
A
Retailer 7
-
$580 USD
View
B+
Retailer 8
-
$605 USD
View
B+
Retailer 9
-
$619 USD
View
B+
Retailer 10
-
$738 USD
ZAR 11,915 ZAR
View
B+
Retailer 11
-
$771 USD
£607 GBP
View
B+
Retailer 12
-
$976 USD
View
B+
Retailer 13
-
$1,056 USD
View
B
Retailer 14
-
$1,422 USD
View
Retailer 15
-
$1,639 USD
View
Price last confirmed 31 days ago
B
Retailer 16
-
$1,660 USD
View
B
Retailer 17
-
$1,687 USD
£1,328 GBP
View
Most Expensive
B
Brilliant Earth
21018442A · Oct 31
$2,390 USD
View
17 more retailers have this diamond
Prices start from $386 USDSave up to $2,004 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
1.03ct Heart
$386 USD