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Heart|Lab Grown|IGI

1.00ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG761554401

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG761554401

Diamond specifications and retailer prices

From $342 USD
As of October 30, 2026
Save $1,668 USD (83%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $2,010 USD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1ct lab-grown heart diamond

This 1ct 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 LG761554401 or 761554401. Listed at 22 retailers as of October 30, 2026, with prices from $342 to $2,010, a $1,668 spread on the same certified stone. Brilliant Earth lists it at $2,010. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG761554401
Dimensions6.10 × 6.88 × 4.10 mm
L/W Ratio1.13
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.10 mm6.88 mm1.00 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG761554401
Side View
Table 55.0%Crown 35.3°Girdle: MED-THKPavilion 40.1°Culet: NoneDepth 59.6%

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: $2,010 USD|Low: $328 USD|High: $2,400 USD|Avg: $863 USD|-16.3%
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
Retailer 14
Retailer 15
October 31, 2026
Retailer 14$342 USD
Retailer 8$382 USD
Retailer 4$397 USD
Retailer 5$424 USD
Retailer 15$424 USD
Retailer 12$575 USD
Retailer 7$659 USD
Retailer 11$729 USD
Retailer 2$761 USD
Retailer 10$1,030 USD
Retailer 13$1,052 USD
Retailer 6$1,129 USD
Retailer 3$1,363 USD
Retailer 9$1,708 USD
Brilliant Earth$2,010 USD

44 data points across 15 retailers

22 retailers$342 USD to $2,010 USD

A
Cheapest Retailer
-
$342 USD
A
Retailer 2
-
$382 USD
View
Final sale: no returns
A
Retailer 3
-
$397 USD
View
A
Retailer 4
-
$424 USD
View
A
Retailer 5
-
$424 USD
View
A
Retailer 6
-
$474 USD
HK$3,700 HKD
View
B+
Retailer 7
-
$570 USD
View
B+
Retailer 8
-
$575 USD
View
B+
Retailer 9
-
$589 USD
View
B+
Retailer 10
-
$659 USD
View
B+
Retailer 11
-
$729 USD
ZAR 11,772 ZAR
View
B+
Retailer 12
-
$761 USD
£599 GBP
View
B+
Retailer 13
-
$1,030 USD
A$1,585 AUD
View
B
Retailer 14
-
$1,052 USD
View
B
Retailer 15
-
$1,129 USD
SGD 1,526 SGD
View
B
Retailer 16
-
$1,363 USD
View
B
Retailer 17
-
$1,406 USD
View
B
Retailer 18
-
$1,535 USD
View
B
Retailer 19
-
$1,647 USD
View
B
Retailer 20
-
$1,708 USD
£1,345 GBP
View
B
Retailer 21
-
$1,727 USD
£1,360 GBP
View
Most Expensive
B
Brilliant Earth
18451958A · Oct 30
$2,010 USD
View
21 more retailers have this diamond
Prices start from $342 USDSave up to $1,668 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
1.00ct Heart
$342 USD