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Heart|Lab Grown|IGI

1.04ct E SI1 Heart Lab Grown Diamond

ID • E/SI1 • IGI LG805618800

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG805618800

Diamond specifications and retailer prices

From $146 USD
As of November 6, 2026
Save $444 USD (75%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $856 USD at MOH London · As of October 26, 2026
View at MOH London

About this 1.04ct lab-grown heart diamond

This 1.04ct lab-grown heart sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG805618800 or 805618800. Listed at 17 retailers as of November 6, 2026, with a 304% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.04
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle34.7°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG805618800
Dimensions6.65 × 7.12 × 4.02 mm
L/W Ratio1.07
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.65 mm7.12 mm1.04 ctE / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG805618800
Side View
Table 65.0%Crown 34.7°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 56.5%

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: Nov 6
Current: $856 USD|Low: $143 USD|High: $920 USD|Avg: $389 USD|-2.0%
MOH London
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
Retailer 16
Retailer 17
November 6, 2026
Retailer 11$146 USD
Retailer 13$162 USD
Retailer 16$169 USD
Retailer 17$181 USD
Retailer 7$204 USD
Retailer 2$233 USD
Retailer 4$308 USD
Retailer 10$309 USD
Retailer 8$314 USD
Retailer 15$335 USD
Retailer 14$343 USD
Retailer 9$428 USD
Retailer 3$468 USD
Retailer 5$498 USD
Retailer 12$581 USD
Retailer 6$590 USD
MOH London$856 USD

37 data points across 17 retailers

17 retailers$146 USD to $590 USD

A
Cheapest Retailer
-
$146 USD
A
Retailer 2
-
$162 USD
View
Final sale: no returns
A
Retailer 3
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$169 USD
View
A
Retailer 4
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$181 USD
View
A
Retailer 5
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$204 USD
View
A
Retailer 6
-
$233 USD
View
B+
Retailer 7
-
$308 USD
View
B+
Retailer 8
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$309 USD
View
B+
Retailer 9
-
$314 USD
View
B+
Retailer 10
-
$335 USD
View
B+
Retailer 11
-
$343 USD
View
Retailer 12
-
$428 USD
View
Price last confirmed 11 days ago
B
Retailer 13
-
$468 USD
View
B
Retailer 14
-
$498 USD
View
B
Retailer 15
-
$581 USD
View
B
Retailer 16
-
$590 USD
View
Most Expensive
MOH London
LG805618800 · Oct 26
$856 USD
£674 GBP
View
Price last confirmed 11 days ago
16 more retailers have this diamond
Prices start from $146 USDSave up to $444 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
1.04ct Heart
$146 USD