Heart|Lab Grown|IGI

1.05ct F IF Heart Lab Grown Diamond

EX • F/IF • IGI LG839601093

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG839601093

Diamond specifications and retailer prices

From $267 USD
As of October 28, 2026
Save $311 USD (54%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $578 USD at 77 Diamonds · As of October 28, 2026
View at 77 Diamonds

About this 1.05ct lab-grown heart diamond

This 1.05ct lab-grown heart sits in the classic one-carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG839601093 or 839601093. Listed at 2 retailers as of October 28, 2026, with prices from $267 to $578, a $311 spread on the same certified stone. 77 Diamonds lists it at $578. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
F
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839601093
Dimensions6.07 × 7.10 × 4.22 mm
L/W Ratio1.17
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.07 mm7.10 mm1.05 ctF / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839601093
Side View
Table 59.0%Crown 35.3°Girdle: MED-STKPavilion 39.2°Culet: NoneDepth 59.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $578 USD|Low: $267 USD|High: $648 USD|Avg: $538 USD|-4.8%
77 Diamonds
Retailer 2
October 28, 2026
Retailer 2$267 USD
77 Diamonds$578 USD

29 data points across 2 retailers

2 retailers$267 USD to $578 USD

A
Cheapest Retailer
-
$267 USD
Final sale: no returns
Most Expensive
A
77 Diamonds
HSTVSPWQZGSBV · Oct 28
$578 USD
£455 GBP
View
1 more retailer has this diamond
Prices start from $267 USDSave up to $311 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
1.05ct Heart
$267 USD