CaratHunter
Plans
Round|Lab Grown|IGI

1.09ct J VS1 Round Lab Grown Diamond

ID • J/VS1 • IGI LG476157509

Shape and cutting style on the report: Round brilliant

Certificate IGI LG476157509

Diamond specifications and retailer prices

From €716 EUR
$800 USD
As of October 31, 2026
Save €3,110 EUR (81%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €3,826 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 1.09ct lab-grown round diamond

This 1.09ct lab-grown round sits in the classic one-carat band, graded J colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG476157509 or 476157509. Listed at 12 retailers as of October 31, 2026, with prices from €716 to €3,826, a €3,110 spread on the same certified stone. MOH London lists it at €3,826. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
J
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG476157509
Dimensions6.61 × 6.63 × 4.08 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.61 mm6.63 mm1.09 ctJ / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG476157509
Side View
Table 57.0%Crown 34.5°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.6%

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 31
Current: €3,826 EUR|Low: €716 EUR|High: €3,872 EUR|Avg: €1,792 EUR
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 6€716 EUR
Retailer 5€1,027 EUR
Retailer 10€1,149 EUR
Retailer 7€1,190 EUR
Retailer 9€1,190 EUR
Retailer 11€1,347 EUR
Retailer 12€1,681 EUR
Retailer 8€1,893 EUR
Retailer 2€2,189 EUR
Retailer 3€2,347 EUR
Retailer 4€2,666 EUR
MOH London€3,826 EUR

18 data points across 12 retailers

12 retailers€716 EUR to €3,826 EUR

A
Cheapest Retailer
-
€716 EUR
$800 USD
B+
Retailer 2
-
€1,027 EUR
$1,147 USD
View
B+
Retailer 3
-
€1,117 EUR
$1,248 USD
View
B+
Retailer 4
-
€1,149 EUR
$1,284 USD
View
Final sale: no returns
Retailer 5
-
€1,190 EUR
$1,330 USD
View
Price last confirmed 15 days ago
B+
Retailer 6
-
€1,190 EUR
$1,330 USD
View
B+
Retailer 7
-
€1,347 EUR
$1,505 USD
View
B
Retailer 8
-
€1,893 EUR
$2,115 USD
View
B
Retailer 9
-
€2,189 EUR
ZAR 39,510 ZAR
View
B
Retailer 10
-
€2,232 EUR
$2,494 USD
View
B
Retailer 11
-
€2,347 EUR
$2,622 USD
View
Most Expensive
B
MOH London
LG476157509 · Nov 1
€3,826 EUR
£3,366 GBP
View
11 more retailers have this diamond
Prices start from €716 EURSave up to €3,110 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
1.09ct Round
€716 EUR