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Round|Lab Grown|IGI

1.01ct I SI1 Round Lab Grown Diamond

EX • I/SI1 • IGI LG478112367

Shape and cutting style on the report: Round brilliant

Certificate IGI LG478112367

Diamond specifications and retailer prices

From €517 EUR
$580 USD
As of October 31, 2026
Save €3,224 EUR (86%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €3,741 EUR at MOH London · As of November 1, 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG478112367 or 478112367. Listed at 13 retailers as of October 31, 2026, with prices from €517 to €3,741, a €3,224 spread on the same certified stone. MOH London lists it at €3,741. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.01
Carat
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.6°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG478112367
Dimensions6.53 × 6.50 × 3.93 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
6.53 mm6.50 mm1.01 ctI / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG478112367
Side View
Table 60.0%Crown 31.6°Girdle: MediumPavilion 41.6°Culet: NoneDepth 60.3%

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: €3,741 EUR|Low: €517 EUR|High: €3,791 EUR|Avg: €1,736 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
Retailer 13
Retailer 14
Retailer 15
November 2, 2026
Retailer 8€517 EUR
Retailer 10€1,004 EUR
Retailer 3€1,092 EUR
Retailer 15€1,123 EUR
Retailer 11€1,164 EUR
Retailer 13€1,164 EUR
Retailer 4€1,320 EUR
Retailer 2€1,524 EUR
Retailer 5€1,645 EUR
Retailer 12€1,852 EUR
Retailer 9€1,995 EUR
Retailer 14€2,183 EUR
Retailer 6€2,294 EUR
Retailer 7€3,334 EUR
MOH London€3,741 EUR

39 data points across 15 retailers

13 retailers€517 EUR to €3,741 EUR

A
Cheapest Retailer
-
€517 EUR
$580 USD
B+
Retailer 2
-
€1,004 EUR
$1,126 USD
View
B+
Retailer 3
-
€1,092 EUR
$1,225 USD
View
B+
Retailer 4
-
€1,123 EUR
$1,260 USD
View
Final sale: no returns
Retailer 5
-
€1,164 EUR
$1,306 USD
View
Price last confirmed 20 days ago
B+
Retailer 6
-
€1,164 EUR
$1,306 USD
View
B
Retailer 7
-
€1,320 EUR
$1,480 USD
View
B+
Retailer 8
-
€1,524 EUR
£1,346 GBP
View
B
Retailer 9
-
€1,852 EUR
$2,077 USD
View
B
Retailer 10
-
€1,995 EUR
View
B
Retailer 11
-
€2,183 EUR
$2,448 USD
View
B
Retailer 12
-
€2,294 EUR
$2,573 USD
View
Most Expensive
B
MOH London
LG478112367 · Nov 1
€3,741 EUR
£3,304 GBP
View
12 more retailers have this diamond
Prices start from €517 EURSave up to €3,224 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
€517 EUR