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Round|Lab Grown|IGI

1.42ct E VS1 Round Lab Grown Diamond

EX • E/VS1 • IGI LG685561178

Shape and cutting style on the report: Round brilliant

Certificate IGI LG685561178

Diamond specifications and retailer prices

From $263 AUD
$185 USD
As of October 29, 2026
Save $1,367 AUD (84%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $1,950 AUD at Brilliant Earth · As of October 3, 2026
View at Brilliant Earth

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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG685561178 or 685561178. Listed at 22 retailers as of October 29, 2026, with a 519% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG685561178
Dimensions7.11 × 7.14 × 4.50 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
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
7.11 mm7.14 mm1.42 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG685561178
Side View
Table 57.0%Crown 35.8°Girdle: MED-STKPavilion 41°Culet: NoneDepth 63.1%

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 29
Current: $1,950 AUD|Low: $252 AUD|High: $1,950 AUD|Avg: $726 AUD
Brilliant Earth
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
October 30, 2026
Retailer 3$263 AUD
Retailer 19$293 AUD
Retailer 7$305 AUD
Retailer 5$326 AUD
Retailer 10$326 AUD
Retailer 13$441 AUD
Retailer 12$540 AUD
Retailer 17$547 AUD
Retailer 14$560 AUD
Retailer 2$589 AUD
Retailer 11$649 AUD
Retailer 6$796 AUD
Retailer 15$796 AUD
Retailer 18$830 AUD
Retailer 8$1,049 AUD
Retailer 9$1,068 AUD
Retailer 16$1,528 AUD
Retailer 4$1,630 AUD
Brilliant Earth$1,950 AUD

44 data points across 19 retailers

22 retailers$263 AUD to $1,630 AUD

A
Cheapest Retailer
-
$263 AUD
$185 USD
A
Retailer 2
-
$293 AUD
$206 USD
View
Final sale: no returns
A
Retailer 3
-
$305 AUD
$214 USD
View
A
Retailer 4
-
$326 AUD
$229 USD
View
A
Retailer 5
-
$326 AUD
$229 USD
View
B+
Retailer 6
-
$441 AUD
$310 USD
View
A
Retailer 7
-
$540 AUD
€361 EUR
View
Retailer 8
-
$547 AUD
£303 GBP
View
Price last confirmed 13 days ago
A
Retailer 9
-
$560 AUD
ZAR 6,357 ZAR
View
A
Retailer 10
-
$589 AUD
£326 GBP
View
A
Retailer 11
-
$649 AUD
$456 USD
View
B+
Retailer 12
-
$730 AUD
$513 USD
View
B+
Retailer 13
-
$796 AUD
$559 USD
View
B+
Retailer 14
-
$796 AUD
View
B+
Retailer 15
-
$830 AUD
$583 USD
View
Retailer 16
-
$995 AUD
$699 USD
View
Price last confirmed 50 days ago
B+
Retailer 17
-
$1,049 AUD
$737 USD
View
B
Retailer 18
-
$1,089 AUD
$765 USD
View
B
Retailer 19
-
$1,126 AUD
$791 USD
View
B
Retailer 20
-
$1,528 AUD
£845 GBP
View
B
Retailer 21
-
$1,630 AUD
$1,145 USD
View
Most Expensive
Brilliant Earth
16085637A · Oct 3
$1,950 AUD
$1,370 USD
View
Price last confirmed 26 days ago
21 more retailers have this diamond
Prices start from $263 AUDSave up to $1,367 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
$263 AUD