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Heart|Lab Grown|IGI

1.05ct E IF Heart Lab Grown Diamond

EX • E/IF • IGI LG742528427

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG742528427

Diamond specifications and retailer prices

From $269 USD
As of October 30, 2026
Save $1,075 USD (80%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,344 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.05ct lab-grown heart diamond

This 1.05ct lab-grown heart sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG742528427 or 742528427. Listed at 19 retailers as of October 29, 2026, with prices from $269 to $1,344, a $1,075 spread on the same certified stone. MOH London lists it at $1,344. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
E
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40°
Pavilion angle37.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG742528427
Dimensions6.91 × 6.91 × 6.32 mm
L/W Ratio1.00
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
6.91 mm6.91 mm1.05 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG742528427
Side View
Table 60.0%Crown 40°Girdle: MED-STKPavilion 37.5°Culet: NoneDepth 58.5%

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: $1,344 USD|Low: $258 USD|High: $1,353 USD|Avg: $590 USD|-0.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 11$269 USD
Retailer 4$312 USD
Retailer 12$334 USD
Retailer 2$354 USD
Retailer 3$450 USD
Retailer 9$490 USD
Retailer 6$552 USD
Retailer 8$573 USD
Retailer 5$640 USD
Retailer 7$812 USD
Retailer 10$1,025 USD
MOH London$1,344 USD

35 data points across 12 retailers

19 retailers$269 USD to $1,344 USD

A
Cheapest Retailer
-
$269 USD
A
Retailer 2
-
$301 USD
View
Final sale: no returns
A
Retailer 3
-
$312 USD
View
A
Retailer 4
-
$334 USD
View
A
Retailer 5
-
$334 USD
View
A
Retailer 6
-
$354 USD
£279 GBP
View
A
Retailer 7
-
$450 USD
View
A
Retailer 8
-
$490 USD
View
A
Retailer 9
-
$552 USD
€526 EUR
View
A
Retailer 10
-
$573 USD
ZAR 9,258 ZAR
View
B+
Retailer 11
-
$577 USD
View
B+
Retailer 12
-
$624 USD
View
B+
Retailer 13
-
$640 USD
£504 GBP
View
B+
Retailer 14
-
$812 USD
A$1,249 AUD
View
B
Retailer 15
-
$1,025 USD
View
B
Retailer 16
-
$1,072 USD
View
B
Retailer 17
-
$1,123 USD
View
B
Retailer 18
-
$1,178 USD
View
Most Expensive
B
MOH London
LG742528427 · Oct 29
$1,344 USD
£1,058 GBP
View
18 more retailers have this diamond
Prices start from $269 USDSave up to $1,075 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
$269 USD