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Round|Lab Grown|IGI

1.01ct J VS1 Round Lab Grown Diamond

EX • J/VS1 • IGI LG445039442

Shape and cutting style on the report: Round brilliant

Certificate IGI LG445039442

Diamond specifications and retailer prices

From €662 EUR
$740 USD
As of October 29, 2026
Save €3,092 EUR (82%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €3,755 EUR at MOH London · As of October 27, 2026
View at MOH London

About this 1.01ct lab-grown round diamond

This 1.01ct 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 LG445039442 or 445039442. Listed at 13 retailers as of October 27, 2026, with prices from €662 to €3,755, a €3,092 spread on the same certified stone. MOH London lists it at €3,755. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.01
Carat
J
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG445039442
Dimensions6.36 × 6.38 × 4.04 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
undefined
Top View
6.36 mm6.38 mm1.01 ctJ / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG445039442
Side View
Table 57.5%Crown 35.9°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 63.4%

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: €3,755 EUR|Low: €662 EUR|High: €3,800 EUR|Avg: €1,674 EUR|+0.2%
MOH London
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
October 30, 2026
Retailer 10€662 EUR
Retailer 9€953 EUR
Retailer 3€1,037 EUR
Retailer 14€1,068 EUR
Retailer 11€1,105 EUR
Retailer 13€1,105 EUR
Retailer 4€1,262 EUR
Retailer 5€1,575 EUR
Retailer 12€1,762 EUR
Retailer 8€2,032 EUR
Retailer 15€2,072 EUR
Retailer 6€2,242 EUR
Retailer 2€2,441 EUR
Retailer 7€2,475 EUR
MOH London€3,755 EUR

27 data points across 15 retailers

13 retailers€662 EUR to €3,755 EUR

A
Cheapest Retailer
-
€662 EUR
$740 USD
B+
Retailer 2
-
€953 EUR
$1,065 USD
View
B+
Retailer 3
-
€1,037 EUR
$1,159 USD
View
B+
Retailer 4
-
€1,068 EUR
$1,193 USD
View
Final sale: no returns
B+
Retailer 5
-
€1,105 EUR
$1,235 USD
View
Retailer 6
-
€1,105 EUR
$1,235 USD
View
Price last confirmed 14 days ago
B+
Retailer 7
-
€1,262 EUR
$1,410 USD
View
B
Retailer 8
-
€1,762 EUR
$1,968 USD
View
B
Retailer 9
-
€2,032 EUR
ZAR 36,681 ZAR
View
B
Retailer 10
-
€2,072 EUR
$2,315 USD
View
B
Retailer 11
-
€2,242 EUR
$2,505 USD
View
B
Retailer 12
-
€2,441 EUR
£2,147 GBP
View
Most Expensive
B
MOH London
LG445039442 · Oct 27
€3,755 EUR
£3,303 GBP
View
12 more retailers have this diamond
Prices start from €662 EURSave up to €3,092 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
1.01ct Round
€662 EUR