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Round|Lab Grown|IGI

1.03ct I SI1 Round Lab Grown Diamond

EX • I/SI1 • IGI LG464114088

Shape and cutting style on the report: Round brilliant

Certificate IGI LG464114088

Diamond specifications and retailer prices

From €537 EUR
$600 USD
As of October 30, 2026
Save €3,296 EUR (86%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €3,833 EUR at MOH London · As of October 27, 2026
View at MOH London

About this 1.03ct lab-grown round diamond

This 1.03ct 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 LG464114088 or 464114088. Listed at 13 retailers as of October 27, 2026, with prices from €537 to €3,833, a €3,296 spread on the same certified stone. MOH London lists it at €3,833. 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

1.03
Carat
I
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.4°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG464114088
Dimensions6.49 × 6.52 × 4.00 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
6.49 mm6.52 mm1.03 ctI / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG464114088
Side View
Table 58.5%Crown 32.4°Girdle: MediumPavilion 41.6°Culet: NoneDepth 61.5%

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 30
Current: €3,833 EUR|Low: €537 EUR|High: €3,874 EUR|Avg: €1,773 EUR|-0.9%
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 31, 2026
Retailer 8€537 EUR
Retailer 10€1,028 EUR
Retailer 3€1,117 EUR
Retailer 15€1,150 EUR
Retailer 11€1,191 EUR
Retailer 13€1,191 EUR
Retailer 4€1,347 EUR
Retailer 9€1,564 EUR
Retailer 5€1,680 EUR
Retailer 12€1,893 EUR
Retailer 2€2,037 EUR
Retailer 14€2,233 EUR
Retailer 6€2,348 EUR
Retailer 7€3,411 EUR
MOH London€3,833 EUR

39 data points across 15 retailers

13 retailers€537 EUR to €3,833 EUR

A
Cheapest Retailer
-
€537 EUR
$600 USD
B+
Retailer 2
-
€1,028 EUR
$1,148 USD
View
B+
Retailer 3
-
€1,117 EUR
$1,248 USD
View
B+
Retailer 4
-
€1,150 EUR
$1,285 USD
View
Final sale: no returns
B+
Retailer 5
-
€1,191 EUR
$1,331 USD
View
Retailer 6
-
€1,191 EUR
$1,331 USD
View
Price last confirmed 19 days ago
B
Retailer 7
-
€1,347 EUR
$1,505 USD
View
B+
Retailer 8
-
€1,564 EUR
£1,376 GBP
View
B
Retailer 9
-
€1,893 EUR
$2,115 USD
View
B
Retailer 10
-
€2,037 EUR
View
B
Retailer 11
-
€2,233 EUR
$2,495 USD
View
B
Retailer 12
-
€2,348 EUR
$2,623 USD
View
Most Expensive
B
MOH London
LG464114088 · Oct 27
€3,833 EUR
£3,372 GBP
View
12 more retailers have this diamond
Prices start from €537 EURSave up to €3,296 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
1.03ct Round
€537 EUR