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Heart|Lab Grown|IGI

1.04ct D IF Heart Lab Grown Diamond

EX • D/IF • IGI LG591351353

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG591351353

Diamond specifications and retailer prices

From $368 USD
As of October 30, 2026
Save $1,283 USD (78%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $2,490 USD at Brilliant Earth · As of October 9, 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG591351353 or 591351353. Listed at 20 retailers as of October 26, 2026, with a 349% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG591351353
Dimensions6.24 × 7.04 × 4.07 mm
L/W Ratio1.13
Girdle conditionFaceted
Culet sizePointed
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
6.24 mm7.04 mm1.04 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG591351353
Side View
Table 62.0%Crown 33.5°Girdle: STK-THKPavilion 38.5°Culet: NoneDepth 57.8%

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: $2,490 USD|Low: $318 USD|High: $2,490 USD|Avg: $787 USD
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 31, 2026
Retailer 9$318 USD
Retailer 4$368 USD
Retailer 7$411 USD
Retailer 8$411 USD
Retailer 12$416 USD
Retailer 17$542 USD
Retailer 10$545 USD
Retailer 3$620 USD
Retailer 14$641 USD
Retailer 16$692 USD
Retailer 2$720 USD
Retailer 15$978 USD
Retailer 11$1,181 USD
Retailer 5$1,339 USD
Retailer 13$1,451 USD
Retailer 6$1,651 USD
Brilliant Earth$2,490 USD

42 data points across 17 retailers

20 retailers$368 USD to $1,651 USD

Retailer 1
-
$318 USD
Price last confirmed 29 days ago
A
Retailer 2
-
$368 USD
View
Final sale: no returns
Retailer 3
-
$385 USD
View
Price last confirmed 32 days ago
Retailer 4
-
$411 USD
View
Price last confirmed 28 days ago
A
Retailer 5
-
$411 USD
View
A
Retailer 6
-
$416 USD
£327 GBP
View
A
Retailer 7
-
$542 USD
View
A
Retailer 8
-
$545 USD
View
B+
Retailer 9
-
$620 USD
View
B+
Retailer 10
-
$641 USD
View
B+
Retailer 11
-
$692 USD
ZAR 11,178 ZAR
View
B+
Retailer 12
-
$720 USD
£567 GBP
View
B+
Retailer 13
-
$978 USD
A$1,505 AUD
View
B
Retailer 14
-
$1,181 USD
View
Retailer 15
-
$1,322 USD
View
Price last confirmed 30 days ago
B
Retailer 16
-
$1,339 USD
View
B
Retailer 17
-
$1,451 USD
View
Retailer 18
-
$1,466 USD
A$2,255 AUD
View
Price last confirmed 156 days ago
B
Retailer 19
-
$1,651 USD
£1,300 GBP
View
Most Expensive
Brilliant Earth
11242224A · Oct 9
$2,490 USD
View
Price last confirmed 22 days ago
19 more retailers have this diamond
Prices start from $368 USDSave up to $1,283 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
$368 USD