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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 €205 EUR
$229 USD
As of October 29, 2026
Save €815 EUR (80%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €1,020 EUR 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 €205 to €1,020, a €815 spread on the same certified stone. Brilliant Earth lists it at €1,020. 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

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: €1,020 EUR|Low: €205 EUR|High: €1,101 EUR|Avg: €645 EUR|-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€205 EUR
Retailer 12€254 EUR
Retailer 13€431 EUR
Retailer 6€436 EUR
Retailer 2€461 EUR
Retailer 5€477 EUR
Retailer 9€559 EUR
Retailer 7€620 EUR
Retailer 10€666 EUR
Retailer 4€863 EUR
Retailer 3€933 EUR
Retailer 8€1,019 EUR
Brilliant Earth€1,020 EUR

29 data points across 13 retailers

16 retailers€205 EUR to €1,020 EUR

A
Cheapest Retailer
-
€205 EUR
$229 USD
A
Retailer 2
-
€237 EUR
$265 USD
View
A
Retailer 3
-
€254 EUR
$284 USD
View
A
Retailer 4
-
€254 EUR
$284 USD
View
A
Retailer 5
-
€431 EUR
$482 USD
View
A
Retailer 6
-
€436 EUR
ZAR 7,874 ZAR
View
A
Retailer 7
-
€461 EUR
View
A
Retailer 8
-
€477 EUR
$533 USD
View
A
Retailer 9
-
€559 EUR
$625 USD
View
A
Retailer 10
-
€620 EUR
A$1,065 AUD
View
B+
Retailer 11
-
€666 EUR
$744 USD
View
B+
Retailer 12
-
€816 EUR
$912 USD
View
B+
Retailer 13
-
€863 EUR
$964 USD
View
B+
Retailer 14
-
€951 EUR
$1,063 USD
View
B+
Retailer 15
-
€1,019 EUR
£896 GBP
View
Most Expensive
B+
Brilliant Earth
21297540A · Oct 28
€1,020 EUR
$1,140 USD
View
15 more retailers have this diamond
Prices start from €205 EURSave up to €815 EUR

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
€205 EUR