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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 $328 NZD
$185 USD
As of October 29, 2026
Save $1,704 NZD (84%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $2,431 NZD 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: $2,431 NZD|Low: $314 NZD|High: $2,431 NZD|Avg: $907 NZD
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$328 NZD
Retailer 19$366 NZD
Retailer 7$380 NZD
Retailer 5$406 NZD
Retailer 10$406 NZD
Retailer 14$550 NZD
Retailer 13$673 NZD
Retailer 18$682 NZD
Retailer 15$698 NZD
Retailer 12$734 NZD
Retailer 11$809 NZD
Retailer 2$969 NZD
Retailer 6$992 NZD
Retailer 16$992 NZD
Retailer 8$1,308 NZD
Retailer 9$1,331 NZD
Retailer 17$1,904 NZD
Retailer 4$2,032 NZD
Brilliant Earth$2,431 NZD

43 data points across 19 retailers

22 retailers$328 NZD to $2,032 NZD

A
Cheapest Retailer
-
$328 NZD
$185 USD
A
Retailer 2
-
$366 NZD
$206 USD
View
Final sale: no returns
A
Retailer 3
-
$380 NZD
$214 USD
View
A
Retailer 4
-
$406 NZD
$229 USD
View
A
Retailer 5
-
$406 NZD
$229 USD
View
B+
Retailer 6
-
$550 NZD
$310 USD
View
A
Retailer 7
-
$673 NZD
€361 EUR
View
Retailer 8
-
$682 NZD
£303 GBP
View
Price last confirmed 13 days ago
A
Retailer 9
-
$698 NZD
ZAR 6,357 ZAR
View
A
Retailer 10
-
$734 NZD
£326 GBP
View
A
Retailer 11
-
$809 NZD
$456 USD
View
B+
Retailer 12
-
$910 NZD
$513 USD
View
B+
Retailer 13
-
$969 NZD
$546 USD
View
B+
Retailer 14
-
$992 NZD
$559 USD
View
B+
Retailer 15
-
$992 NZD
A$860 AUD
View
Retailer 16
-
$1,240 NZD
$699 USD
View
Price last confirmed 51 days ago
B+
Retailer 17
-
$1,308 NZD
$737 USD
View
B
Retailer 18
-
$1,357 NZD
$765 USD
View
B
Retailer 19
-
$1,403 NZD
$791 USD
View
B
Retailer 20
-
$1,904 NZD
£845 GBP
View
B
Retailer 21
-
$2,032 NZD
$1,145 USD
View
Most Expensive
Brilliant Earth
16085637A · Oct 3
$2,431 NZD
$1,370 USD
View
Price last confirmed 27 days ago
21 more retailers have this diamond
Prices start from $328 NZDSave up to $1,704 NZD

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
$328 NZD