Heart|Lab Grown|IGI

1.05ct D SI2 Heart Lab Grown Diamond

ID • D/SI2 • IGI LG811649691

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG811649691

Diamond specifications and retailer prices

From $324 USD
As of November 1, 2026
Save $486 USD (60%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $810 USD at MOH London · As of November 1, 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 D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG811649691 or 811649691. Listed at 2 retailers as of November 1, 2026, with prices from $324 to $810, a $486 spread on the same certified stone. MOH London lists it at $810. 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

1.05
Carat
D
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811649691
Dimensions7.19 × 6.46 × 3.95 mm
L/W Ratio1.11
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.19 mm6.46 mm1.05 ctD / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811649691
Side View
Table 59.0%Crown 33.7°Girdle: MED-STKPavilion 39.5°CuletDepth 54.9%

Caratlytics Score

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

Last verified: Nov 1
Current: $810 USD|Low: $303 USD|High: $838 USD|Avg: $570 USD|-2.3%
MOH London
Retailer 2
November 1, 2026
Retailer 2$324 USD
MOH London$810 USD

12 data points across 2 retailers

2 retailers$324 USD to $810 USD

B+
Cheapest Retailer
-
$324 USD
Most Expensive
B
MOH London
LG811649691 · Nov 1
$810 USD
£638 GBP
View
1 more retailer has this diamond
Prices start from $324 USDSave up to $486 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+
1.05ct Heart
$324 USD