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Round|Lab Grown|IGI

1.00ct I I1 Round Lab Grown Diamond

EX • I/I1 • IGI LG492123294

Shape and cutting style on the report: Round brilliant

Certificate IGI LG492123294

Diamond specifications and retailer prices

From €349 EUR
$390 USD
As of November 1, 2026
Save €1,344 EUR (79%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €1,693 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 1ct lab-grown round diamond

This 1ct lab-grown round sits in the classic one-carat band, graded I colour (near-colourless) and I1 clarity (included), with a top-tier cut grade and certified by IGI LG492123294 or 492123294. Listed at 8 retailers as of November 1, 2026, with prices from €349 to €1,693, a €1,344 spread on the same certified stone. MOH London lists it at €1,693. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
I
Color
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG492123294
Dimensions6.45 × 6.50 × 3.84 mm
L/W Ratio1.01
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
6.45 mm6.50 mm1.00 ctI / I1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG492123294
Side View
Table 58.5%Crown 32°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 59.4%

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: Nov 1
Current: €1,693 EUR|Low: €349 EUR|High: €1,713 EUR|Avg: €876 EUR|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 3€349 EUR
Retailer 4€433 EUR
Retailer 5€687 EUR
Retailer 6€785 EUR
Retailer 2€1,216 EUR
MOH London€1,693 EUR

13 data points across 6 retailers

8 retailers€349 EUR to €1,693 EUR

A
Cheapest Retailer
-
€349 EUR
$390 USD
B+
Retailer 2
-
€391 EUR
$437 USD
View
B+
Retailer 3
-
€433 EUR
$484 USD
View
Retailer 4
-
€433 EUR
$484 USD
View
Price last confirmed 7 days ago
B+
Retailer 5
-
€687 EUR
$768 USD
View
B
Retailer 6
-
€1,216 EUR
$1,358 USD
View
B
Retailer 7
-
€1,393 EUR
$1,556 USD
View
Most Expensive
B
MOH London
LG492123294 · Nov 1
€1,693 EUR
£1,489 GBP
View
7 more retailers have this diamond
Prices start from €349 EURSave up to €1,344 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
1.00ct Round
€349 EUR