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Heart|Lab Grown|IGI

1.05ct E SI2 Heart Lab Grown Diamond

EX • E/SI2 • IGI LG825687180

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG825687180

Diamond specifications and retailer prices

From $218 USD
HK$1,700 HKD
As of October 30, 2026
Save $682 USD (76%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $899 USD at MOH London · As of October 25, 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 E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG825687180 or 825687180. Listed at 14 retailers as of October 25, 2026, with prices from $218 to $899, a $682 spread on the same certified stone. MOH London lists it at $899. 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
E
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.1°
Pavilion angle43.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825687180
Dimensions6.24 × 7.17 × 4.23 mm
L/W Ratio1.15
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.24 mm7.17 mm1.05 ctE / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG825687180
Side View
Table 63.0%Crown 34.1°Girdle: MED-STKPavilion 43.1°Culet: NoneDepth 59.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $899 USD|Low: $172 USD|High: $955 USD|Avg: $447 USD|-4.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 3$172 USD
Retailer 11$218 USD
Retailer 8$258 USD
Retailer 7$290 USD
Retailer 5$334 USD
Retailer 10$351 USD
Retailer 6$412 USD
Retailer 9$496 USD
Retailer 2$523 USD
Retailer 4$590 USD
MOH London$899 USD

40 data points across 11 retailers

14 retailers$218 USD to $899 USD

Retailer 1
-
$155 USD
Price last confirmed 14 days ago
Retailer 2
-
$180 USD
View
Price last confirmed 16 days ago
Retailer 3
-
$192 USD
View
Price last confirmed 16 days ago
A
Retailer 4
-
$218 USD
HK$1,700 HKD
View
Retailer 5
-
$258 USD
£203 GBP
View
Price last confirmed 14 days ago
B+
Retailer 6
-
$290 USD
View
B+
Retailer 7
-
$334 USD
£263 GBP
View
B+
Retailer 8
-
$351 USD
View
B
Retailer 9
-
$412 USD
£325 GBP
View
B
Retailer 10
-
$496 USD
View
B
Retailer 11
-
$523 USD
SGD 707 SGD
View
B
Retailer 12
-
$590 USD
View
Retailer 13
-
$617 USD
View
Price last confirmed 14 days ago
Most Expensive
B
MOH London
LG825687180 · Oct 25
$899 USD
£708 GBP
View
13 more retailers have this diamond
Prices start from $218 USDSave up to $682 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
1.05ct Heart
$218 USD