CaratHunter
Plans
Heart|Lab Grown|IGI

1.00ct E SI1 Heart Lab Grown Diamond

ID • E/SI1 • IGI LG843684291

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG843684291

Diamond specifications and retailer prices

From $212 AUD
$149 USD
As of October 30, 2026
Save $1,023 AUD (83%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,235 AUD at MOH London · As of October 29, 2026
View at MOH London

About this 1ct lab-grown heart diamond

This 1ct 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 LG843684291 or 843684291. Listed at 12 retailers as of October 29, 2026, with prices from $212 to $1,235, a $1,023 spread on the same certified stone. MOH London lists it at $1,235. 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

1.00
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843684291
Dimensions6.21 × 7.01 × 4.01 mm
L/W Ratio1.13
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.21 mm7.01 mm1.00 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843684291
Side View
Table 62.0%Crown 32°Girdle: MED-THKPavilion 39.1°Culet: NoneDepth 57.2%

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: $1,235 AUD|Low: $212 AUD|High: $1,298 AUD|Avg: $565 AUD|-4.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 7$212 AUD
Retailer 6$246 AUD
Retailer 11$263 AUD
Retailer 4$276 AUD
Retailer 2$342 AUD
Retailer 9$410 AUD
Retailer 3$483 AUD
Retailer 5$499 AUD
Retailer 8$716 AUD
Retailer 12$844 AUD
Retailer 10$892 AUD
MOH London$1,235 AUD

15 data points across 12 retailers

12 retailers$212 AUD to $1,235 AUD

A
Cheapest Retailer
-
$212 AUD
$149 USD
A
Retailer 2
-
$246 AUD
$173 USD
View
A
Retailer 3
-
$263 AUD
$185 USD
View
A
Retailer 4
-
$276 AUD
$194 USD
View
A
Retailer 5
-
$342 AUD
£189 GBP
View
B+
Retailer 6
-
$410 AUD
$288 USD
View
B+
Retailer 7
-
$483 AUD
$339 USD
View
B+
Retailer 8
-
$499 AUD
£276 GBP
View
B
Retailer 9
-
$716 AUD
$503 USD
View
B
Retailer 10
-
$844 AUD
$593 USD
View
B
Retailer 11
-
$892 AUD
$627 USD
View
Most Expensive
B
MOH London
LG843684291 · Oct 29
$1,235 AUD
£683 GBP
View
11 more retailers have this diamond
Prices start from $212 AUDSave up to $1,023 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
1.00ct Heart
$212 AUD