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Heart|Lab Grown|IGI

1.03ct E IF Heart Lab Grown Diamond

EX • E/IF • IGI LG620463128

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG620463128

Diamond specifications and retailer prices

From $299 USD
As of October 27, 2026
Save $1,192 USD (80%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,491 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.03ct lab-grown heart diamond

This 1.03ct 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 LG620463128 or 620463128. Listed at 18 retailers as of October 27, 2026, with prices from $299 to $1,491, a $1,192 spread on the same certified stone. MOH London lists it at $1,491. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
E
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle37.5°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG620463128
Dimensions6.37 × 6.94 × 4.07 mm
L/W Ratio1.09
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
6.37 mm6.94 mm1.03 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG620463128
Side View
Table 62.0%Crown 37.5°Girdle: MED-THKPavilion 38.2°Culet: NoneDepth 58.6%

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 27
Current: $1,491 USD|Low: $293 USD|High: $1,533 USD|Avg: $748 USD|-2.6%
MOH London
Retailer 2
Retailer 3
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Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
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Retailer 17
October 30, 2026
Retailer 6$299 USD
Retailer 13$333 USD
Retailer 3$346 USD
Retailer 11$370 USD
Retailer 17$498 USD
Retailer 4$525 USD
Retailer 14$610 USD
Retailer 5$615 USD
Retailer 16$636 USD
Retailer 2$657 USD
Retailer 12$673 USD
Retailer 9$973 USD
Retailer 15$1,190 USD
Retailer 7$1,238 USD
Retailer 10$1,323 USD
Retailer 8$1,370 USD
MOH London$1,491 USD

37 data points across 17 retailers

18 retailers$299 USD to $1,491 USD

A
Cheapest Retailer
-
$299 USD
A
Retailer 2
-
$333 USD
View
Final sale: no returns
A
Retailer 3
-
$346 USD
View
A
Retailer 4
-
$370 USD
View
A
Retailer 5
-
$378 USD
View
A
Retailer 6
-
$498 USD
View
B+
Retailer 7
-
$525 USD
View
B+
Retailer 8
-
$610 USD
View
B+
Retailer 9
-
$615 USD
View
B+
Retailer 10
-
$636 USD
ZAR 10,276 ZAR
View
B+
Retailer 11
-
$657 USD
£517 GBP
View
B+
Retailer 12
-
$673 USD
€641 EUR
View
B
Retailer 13
-
$973 USD
View
B
Retailer 14
-
$1,190 USD
View
B
Retailer 15
-
$1,238 USD
View
B
Retailer 16
-
$1,323 USD
View
B
Retailer 17
-
$1,370 USD
View
Most Expensive
B
MOH London
LG620463128 · Oct 29
$1,491 USD
£1,174 GBP
View
17 more retailers have this diamond
Prices start from $299 USDSave up to $1,192 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
1.03ct Heart
$299 USD