Heart|Lab Grown|IGI

1.01ct E SI1 Heart Lab Grown Diamond

ID • E/SI1 • IGI LG788684485

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG788684485

Diamond specifications and retailer prices

From $262 USD
As of November 6, 2026
Save $641 USD (71%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $903 USD at MOH London · As of November 4, 2026
View at MOH London

About this 1.01ct lab-grown heart diamond

This 1.01ct 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 LG788684485 or 788684485. Listed at 5 retailers as of November 4, 2026, with prices from $262 to $903, a $641 spread on the same certified stone. MOH London lists it at $903. 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

1.01
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.1°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788684485
Dimensions6.99 × 6.80 × 3.79 mm
L/W Ratio1.03
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.99 mm6.80 mm1.01 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG788684485
Side View
Table 62.0%Crown 34.1°Girdle: MED-STKPavilion 38.6°Culet: NoneDepth 54.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 6
Current: $903 USD|Low: $262 USD|High: $916 USD|Avg: $436 USD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 5, 2026
Retailer 4$262 USD
Retailer 5$294 USD
Retailer 2$335 USD
Retailer 3$367 USD
MOH London$903 USD

38 data points across 5 retailers

5 retailers$262 USD to $903 USD

B+
Cheapest Retailer
-
$262 USD
B+
Retailer 2
-
$294 USD
View
B+
Retailer 3
-
$335 USD
View
B+
Retailer 4
-
$367 USD
View
Most Expensive
B
MOH London
LG788684485 · Nov 4
$903 USD
£711 GBP
View
4 more retailers have this diamond
Prices start from $262 USDSave up to $641 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.

B+
1.01ct Heart
$262 USD