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 $229 USD
As of October 29, 2026
Save $911 USD (80%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,140 USD 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 $229 to $1,140, a $911 spread on the same certified stone. Brilliant Earth lists it at $1,140. 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
Color
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

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: $1,140 USD|Low: $229 USD|High: $1,230 USD|Avg: $722 USD|-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 29, 2026
Retailer 11$229 USD
Retailer 12$284 USD
Retailer 13$482 USD
Retailer 6$487 USD
Retailer 2$515 USD
Retailer 5$533 USD
Retailer 9$625 USD
Retailer 7$692 USD
Retailer 10$744 USD
Retailer 4$964 USD
Retailer 3$1,042 USD
Retailer 8$1,138 USD
Brilliant Earth$1,140 USD

30 data points across 13 retailers

16 retailers$229 USD to $1,140 USD

A
Cheapest Retailer
-
$229 USD
A
Retailer 2
-
$265 USD
View
A
Retailer 3
-
$284 USD
View
A
Retailer 4
-
$284 USD
View
A
Retailer 5
-
$482 USD
View
A
Retailer 6
-
$487 USD
ZAR 7,874 ZAR
View
A
Retailer 7
-
$515 USD
€490 EUR
View
A
Retailer 8
-
$533 USD
View
A
Retailer 9
-
$625 USD
View
A
Retailer 10
-
$692 USD
A$1,065 AUD
View
B+
Retailer 11
-
$744 USD
View
B+
Retailer 12
-
$912 USD
View
B+
Retailer 13
-
$964 USD
View
B+
Retailer 14
-
$1,063 USD
View
B+
Retailer 15
-
$1,138 USD
£896 GBP
View
Most Expensive
B+
Brilliant Earth
21297540A · Oct 28
$1,140 USD
View
15 more retailers have this diamond
Prices start from $229 USDSave up to $911 USD

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
$229 USD