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Round|Lab Grown|IGI

1.42ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG800678679

Shape and cutting style on the report: Round brilliant

Certificate IGI LG800678679

Diamond specifications and retailer prices

From $1,025 AUD
$720 USD
As of October 30, 2026
Save $2,623 AUD (72%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $3,648 AUD at MOH London · As of October 26, 2026
View at MOH London

About this 1.42ct lab-grown round diamond

This 1.42ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG800678679 or 800678679. Listed at 14 retailers as of October 26, 2026, with prices from $1,025 to $3,648, a $2,623 spread on the same certified stone. MOH London lists it at $3,648. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.42
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800678679
Dimensions7.18 × 7.21 × 4.46 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.18 mm7.21 mm1.42 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800678679
Side View
Table 57.0%Crown 35.1°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.1%

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: $3,648 AUD|Low: $1,025 AUD|High: $3,874 AUD|Avg: $2,176 AUD|-1.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 30, 2026
Retailer 3$1,025 AUD
Retailer 5$1,112 AUD
Retailer 12$1,123 AUD
Retailer 4$1,236 AUD
Retailer 9$1,342 AUD
Retailer 8$1,447 AUD
Retailer 10$1,500 AUD
Retailer 6$1,553 AUD
Retailer 15$2,046 AUD
Retailer 2$2,776 AUD
Retailer 11$2,790 AUD
Retailer 13$3,010 AUD
Retailer 14$3,307 AUD
MOH London$3,648 AUD
Retailer 7$3,874 AUD

30 data points across 15 retailers

14 retailers$1,025 AUD to $3,648 AUD

A
Cheapest Retailer
-
$1,025 AUD
$720 USD
A
Retailer 2
-
$1,112 AUD
HK$6,100 HKD
View
A
Retailer 3
-
$1,123 AUD
$789 USD
View
A
Retailer 4
-
$1,236 AUD
$868 USD
View
A
Retailer 5
-
$1,342 AUD
€898 EUR
View
B+
Retailer 6
-
$1,447 AUD
£800 GBP
View
B+
Retailer 7
-
$1,500 AUD
ZAR 17,020 ZAR
View
B+
Retailer 8
-
$1,553 AUD
View
B+
Retailer 9
-
$2,046 AUD
$1,437 USD
View
B+
Retailer 10
-
$2,776 AUD
$1,950 USD
View
B
Retailer 11
-
$2,790 AUD
$1,960 USD
View
B
Retailer 12
-
$3,010 AUD
$2,114 USD
View
B
Retailer 13
-
$3,307 AUD
$2,323 USD
View
Most Expensive
B
MOH London
LG800678679 · Oct 26
$3,648 AUD
£2,018 GBP
View
13 more retailers have this diamond
Prices start from $1,025 AUDSave up to $2,623 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
1.42ct Round
$1,025 AUD