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Heart|Lab Grown|IGI

1.03ct E IF Heart Lab Grown Diamond

EX • E/IF • IGI LG593304053

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG593304053

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)
21 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 LG593304053 or 593304053. Listed at 21 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
SymmetryExcellent
FluorescenceNone
Crown angle36.9°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG593304053
Dimensions6.59 × 6.87 × 4.08 mm
L/W Ratio1.04
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
6.59 mm6.87 mm1.03 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG593304053
Side View
Table 56.0%Crown 36.9°Girdle: STK-THKPavilion 38.3°Culet: NoneDepth 59.4%

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: $723 USD|-2.7%
MOH London
Retailer 2
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Retailer 8
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 18
October 29, 2026
Retailer 7$299 USD
Retailer 13$333 USD
Retailer 4$346 USD
Retailer 11$370 USD
Retailer 14$394 USD
Retailer 3$498 USD
Retailer 5$525 USD
Retailer 15$610 USD
Retailer 6$615 USD
Retailer 18$636 USD
Retailer 2$655 USD
Retailer 12$673 USD
Retailer 17$903 USD
Retailer 10$973 USD
Retailer 16$1,190 USD
Retailer 8$1,238 USD
Retailer 9$1,370 USD
MOH London$1,491 USD

28 data points across 18 retailers

21 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
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$370 USD
View
A
Retailer 5
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$378 USD
View
A
Retailer 6
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$394 USD
£310 GBP
View
A
Retailer 7
-
$498 USD
View
A
Retailer 8
-
$525 USD
View
B+
Retailer 9
-
$610 USD
View
B+
Retailer 10
-
$615 USD
View
B+
Retailer 11
-
$636 USD
ZAR 10,276 ZAR
View
B+
Retailer 12
-
$655 USD
£516 GBP
View
B+
Retailer 13
-
$673 USD
€641 EUR
View
B+
Retailer 14
-
$903 USD
A$1,389 AUD
View
B
Retailer 15
-
$973 USD
View
B
Retailer 16
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$1,151 USD
A$1,771 AUD
View
Price last confirmed 143 days ago
B
Retailer 17
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$1,190 USD
View
B
Retailer 18
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$1,238 USD
View
B
Retailer 19
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$1,353 USD
View
B
Retailer 20
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$1,370 USD
View
Most Expensive
B
MOH London
LG593304053 · Oct 29
$1,491 USD
£1,174 GBP
View
20 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