Heart|Lab Grown|IGI

1.04ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG818668205

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG818668205

Diamond specifications and retailer prices

From $304 USD
As of October 30, 2026
Save $1,506 USD (83%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,810 USD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.04ct lab-grown heart diamond

This 1.04ct 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 LG818668205 or 818668205. Listed at 17 retailers as of October 30, 2026, with prices from $304 to $1,810, a $1,506 spread on the same certified stone. Brilliant Earth lists it at $1,810. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.04
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818668205
Dimensions7.06 × 6.30 × 4.01 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
7.06 mm6.30 mm1.04 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818668205
Side View
Table 57.0%Crown 35.8°Girdle: MED-STKPavilion 38.3°Culet: NoneDepth 56.8%

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: $1,810 USD|Low: $304 USD|High: $2,730 USD|Avg: $1,012 USD|-33.7%
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
Retailer 15
Retailer 16
Retailer 17
October 30, 2026
Retailer 4$304 USD
Retailer 5$340 USD
Retailer 16$353 USD
Retailer 13$377 USD
Retailer 15$377 USD
Retailer 12$535 USD
Retailer 17$614 USD
Retailer 6$615 USD
Retailer 11$648 USD
Retailer 2$669 USD
Retailer 7$972 USD
Retailer 9$1,080 USD
Retailer 14$1,213 USD
Retailer 3$1,260 USD
Retailer 8$1,458 USD
Retailer 10$1,520 USD
Brilliant Earth$1,810 USD

42 data points across 17 retailers

17 retailers$304 USD to $1,810 USD

A
Cheapest Retailer
-
$304 USD
A
Retailer 2
-
$340 USD
View
Final sale: no returns
A
Retailer 3
-
$353 USD
View
A
Retailer 4
-
$377 USD
View
A
Retailer 5
-
$377 USD
View
A
Retailer 6
-
$535 USD
View
B+
Retailer 7
-
$614 USD
View
B+
Retailer 8
-
$615 USD
View
B+
Retailer 9
-
$648 USD
ZAR 10,475 ZAR
View
B+
Retailer 10
-
$669 USD
£527 GBP
View
B
Retailer 11
-
$972 USD
View
B
Retailer 12
-
$1,080 USD
SGD 1,460 SGD
View
B+
Retailer 13
-
$1,213 USD
View
B
Retailer 14
-
$1,260 USD
View
B
Retailer 15
-
$1,458 USD
View
B
Retailer 16
-
$1,520 USD
£1,197 GBP
View
Most Expensive
B
Brilliant Earth
21418939A · Oct 30
$1,810 USD
View
16 more retailers have this diamond
Prices start from $304 USDSave up to $1,506 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
1.04ct Heart
$304 USD