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Round|Lab Grown|IGI

1.40ct H VS1 Round Lab Grown Diamond

EX • H/VS1 • IGI LG818686580

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818686580

Diamond specifications and retailer prices

From $406 NZD
$229 USD
As of October 29, 2026
Save $1,616 NZD (80%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,023 NZD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.4ct lab-grown round diamond

This 1.4ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG818686580 or 818686580. Listed at 16 retailers as of October 28, 2026, with prices from $406 to $2,023, a $1,616 spread on the same certified stone. Brilliant Earth lists it at $2,023. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.40
Carat
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818686580
Dimensions7.13 × 7.10 × 4.37 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.13 mm7.10 mm1.40 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818686580
Side View
Table 60.0%Crown 36.1°Girdle: Slightly ThickPavilion 40.4°Culet: NoneDepth 61.4%

Caratlytics Score

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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: $2,023 NZD|Low: $406 NZD|High: $2,182 NZD|Avg: $1,276 NZD|-7.3%
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
October 31, 2026
Retailer 11$406 NZD
Retailer 12$504 NZD
Retailer 13$855 NZD
Retailer 6$865 NZD
Retailer 2$911 NZD
Retailer 5$946 NZD
Retailer 9$1,109 NZD
Retailer 7$1,228 NZD
Retailer 10$1,320 NZD
Retailer 4$1,711 NZD
Retailer 3$1,849 NZD
Retailer 8$2,019 NZD
Brilliant Earth$2,023 NZD

30 data points across 13 retailers

16 retailers$406 NZD to $2,023 NZD

A
Cheapest Retailer
-
$406 NZD
$229 USD
A
Retailer 2
-
$470 NZD
$265 USD
View
A
Retailer 3
-
$504 NZD
$284 USD
View
A
Retailer 4
-
$504 NZD
$284 USD
View
A
Retailer 5
-
$855 NZD
$482 USD
View
A
Retailer 6
-
$865 NZD
ZAR 7,874 ZAR
View
A
Retailer 7
-
$911 NZD
€489 EUR
View
A
Retailer 8
-
$946 NZD
$533 USD
View
A
Retailer 9
-
$1,109 NZD
$625 USD
View
A
Retailer 10
-
$1,228 NZD
A$1,065 AUD
View
B+
Retailer 11
-
$1,320 NZD
$744 USD
View
B+
Retailer 12
-
$1,618 NZD
$912 USD
View
B+
Retailer 13
-
$1,711 NZD
$964 USD
View
B+
Retailer 14
-
$1,886 NZD
$1,063 USD
View
B+
Retailer 15
-
$2,019 NZD
£896 GBP
View
Most Expensive
B+
Brilliant Earth
21297540A · Oct 28
$2,023 NZD
$1,140 USD
View
15 more retailers have this diamond
Prices start from $406 NZDSave up to $1,616 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
1.40ct Round
$406 NZD