Heart|Lab Grown|IGI

1.03ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG816624834

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG816624834

Diamond specifications and retailer prices

From $386 USD
As of October 30, 2026
Save $2,324 USD (86%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,710 USD at Brilliant Earth · As of October 28, 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 LG816624834 or 816624834. Listed at 19 retailers as of October 28, 2026, with prices from $386 to $2,710, a $2,324 spread on the same certified stone. Brilliant Earth lists it at $2,710. 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 angle36°
Pavilion angle36.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816624834
Dimensions6.95 × 6.42 × 3.95 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
6.95 mm6.42 mm1.03 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816624834
Side View
Table 56.0%Crown 36°Girdle: MED-STKPavilion 36.8°Culet: NoneDepth 56.8%

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: $2,710 USD|Low: $327 USD|High: $2,790 USD|Avg: $1,153 USD|-2.9%
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
Retailer 14
October 30, 2026
Retailer 3$386 USD
Retailer 6$510 USD
Retailer 10$605 USD
Retailer 13$619 USD
Retailer 12$645 USD
Retailer 7$696 USD
Retailer 9$738 USD
Retailer 2$771 USD
Retailer 14$976 USD
Retailer 4$1,422 USD
Retailer 5$1,430 USD
Retailer 11$1,660 USD
Retailer 8$1,687 USD
Brilliant Earth$2,710 USD

34 data points across 14 retailers

19 retailers$386 USD to $2,710 USD

A
Cheapest Retailer
-
$386 USD
Final sale: no returns
Retailer 2
-
$411 USD
View
Price last confirmed 22 days ago
Retailer 3
-
$461 USD
View
Price last confirmed 31 days ago
Retailer 4
-
$503 USD
View
Price last confirmed 35 days ago
Retailer 5
-
$510 USD
View
Price last confirmed 27 days ago
Retailer 6
-
$510 USD
View
Price last confirmed 18 days ago
B+
Retailer 7
-
$605 USD
View
B+
Retailer 8
-
$619 USD
View
B+
Retailer 9
-
$645 USD
View
B+
Retailer 10
-
$696 USD
€663 EUR
View
B+
Retailer 11
-
$738 USD
ZAR 11,915 ZAR
View
B+
Retailer 12
-
$771 USD
£607 GBP
View
B+
Retailer 13
-
$976 USD
View
B
Retailer 14
-
$1,422 USD
View
B
Retailer 15
-
$1,430 USD
View
Retailer 16
-
$1,639 USD
View
Price last confirmed 29 days ago
B
Retailer 17
-
$1,660 USD
View
B
Retailer 18
-
$1,687 USD
£1,328 GBP
View
Most Expensive
B
Brilliant Earth
21019228A · Oct 28
$2,710 USD
View
18 more retailers have this diamond
Prices start from $386 USDSave up to $2,324 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