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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 €519 EUR
$580 USD
As of October 31, 2026
Save €3,256 EUR (86%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €3,775 EUR at MOH London · As of October 29, 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 29, 2026, with prices from €519 to €3,775, a €3,256 spread on the same certified stone. MOH London lists it at €3,775. 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
Color
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: €3,775 EUR|Low: €519 EUR|High: €3,806 EUR|Avg: €1,743 EUR|+0.5%
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 2€519 EUR
Retailer 10€1,008 EUR
Retailer 3€1,096 EUR
Retailer 15€1,128 EUR
Retailer 11€1,169 EUR
Retailer 13€1,169 EUR
Retailer 4€1,325 EUR
Retailer 8€1,534 EUR
Retailer 5€1,651 EUR
Retailer 12€1,859 EUR
Retailer 9€2,003 EUR
Retailer 14€2,191 EUR
Retailer 6€2,303 EUR
Retailer 7€3,347 EUR
MOH London€3,775 EUR

37 data points across 15 retailers

13 retailers€519 EUR to €3,775 EUR

A
Cheapest Retailer
-
€519 EUR
$580 USD
B+
Retailer 2
-
€1,008 EUR
$1,126 USD
View
B+
Retailer 3
-
€1,096 EUR
$1,225 USD
View
B+
Retailer 4
-
€1,128 EUR
$1,260 USD
View
Final sale: no returns
Retailer 5
-
€1,169 EUR
$1,306 USD
View
Price last confirmed 19 days ago
B+
Retailer 6
-
€1,169 EUR
$1,306 USD
View
B
Retailer 7
-
€1,325 EUR
$1,480 USD
View
B+
Retailer 8
-
€1,534 EUR
£1,350 GBP
View
B
Retailer 9
-
€1,859 EUR
$2,077 USD
View
B
Retailer 10
-
€2,003 EUR
View
B
Retailer 11
-
€2,191 EUR
$2,448 USD
View
B
Retailer 12
-
€2,303 EUR
$2,573 USD
View
Most Expensive
B
MOH London
LG478112367 · Oct 29
€3,775 EUR
£3,321 GBP
View
12 more retailers have this diamond
Prices start from €519 EURSave up to €3,256 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
€519 EUR