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Round|Lab Grown|IGI

1.03ct I VS1 Round Lab Grown Diamond

EX • I/VS1 • IGI LG628490713

Shape and cutting style on the report: Round brilliant

Certificate IGI LG628490713

Diamond specifications and retailer prices

From €298 EUR
$333 USD
As of October 30, 2026
Save €457 EUR (61%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: €755 EUR at MOH London · As of October 29, 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG628490713 or 628490713. Listed at 5 retailers as of October 29, 2026, with prices from €298 to €755, a €457 spread on the same certified stone. MOH London lists it at €755. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
I
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle34.6°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG628490713
Dimensions6.47 × 6.44 × 3.97 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
6.47 mm6.44 mm1.03 ctI / VS1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG628490713
Side View
Table 62.0%Crown 34.6°Girdle: MED-STKPavilion 41.5°Culet: NoneDepth 61.4%

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 30
Current: €755 EUR|Low: €217 EUR|High: €816 EUR|Avg: €465 EUR|-6.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 29, 2026
Retailer 3€298 EUR
Retailer 6€350 EUR
Retailer 4€380 EUR
Retailer 5€422 EUR
Retailer 7€447 EUR
Retailer 2€566 EUR
MOH London€755 EUR

13 data points across 7 retailers

5 retailers€298 EUR to €755 EUR

A
Cheapest Retailer
-
€298 EUR
$333 USD
B+
Retailer 2
-
€380 EUR
$425 USD
View
B+
Retailer 3
-
€422 EUR
$472 USD
View
B
Retailer 4
-
€566 EUR
$632 USD
View
Most Expensive
B
MOH London
LG628490713 · Oct 29
€755 EUR
£664 GBP
View
4 more retailers have this diamond
Prices start from €298 EURSave up to €457 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
€298 EUR