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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 $310 AUD
HK$1,700 HKD
As of October 30, 2026
Save $970 AUD (76%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,280 AUD 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 $310 to $1,280, a $970 spread on the same certified stone. MOH London lists it at $1,280. 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
Colour
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: $1,280 AUD|Low: $245 AUD|High: $1,360 AUD|Avg: $636 AUD|-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$245 AUD
Retailer 11$310 AUD
Retailer 8$367 AUD
Retailer 7$413 AUD
Retailer 5$475 AUD
Retailer 10$500 AUD
Retailer 6$587 AUD
Retailer 9$706 AUD
Retailer 2$745 AUD
Retailer 4$840 AUD
MOH London$1,280 AUD

40 data points across 11 retailers

14 retailers$310 AUD to $1,280 AUD

Retailer 1
-
$221 AUD
$155 USD
Price last confirmed 14 days ago
Retailer 2
-
$256 AUD
$180 USD
View
Price last confirmed 16 days ago
Retailer 3
-
$273 AUD
$192 USD
View
Price last confirmed 16 days ago
A
Retailer 4
-
$310 AUD
HK$1,700 HKD
View
Retailer 5
-
$367 AUD
£203 GBP
View
Price last confirmed 14 days ago
B+
Retailer 6
-
$413 AUD
$290 USD
View
B+
Retailer 7
-
$475 AUD
£263 GBP
View
B+
Retailer 8
-
$500 AUD
$351 USD
View
B
Retailer 9
-
$587 AUD
£325 GBP
View
B
Retailer 10
-
$706 AUD
$496 USD
View
B
Retailer 11
-
$745 AUD
SGD 707 SGD
View
B
Retailer 12
-
$840 AUD
$590 USD
View
Retailer 13
-
$878 AUD
$617 USD
View
Price last confirmed 14 days ago
Most Expensive
B
MOH London
LG825687180 · Oct 25
$1,280 AUD
£708 GBP
View
13 more retailers have this diamond
Prices start from $310 AUDSave up to $970 AUD

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
$310 AUD