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Round|Lab Grown|IGI

1.20ct I VS2 Round Lab Grown Diamond

ID • I/VS2 • IGI LG492123251

Shape and cutting style on the report: Round brilliant

Certificate IGI LG492123251

Diamond specifications and retailer prices

From €612 EUR
As of November 4, 2026
Save €1,061 EUR (63%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €2,851 EUR at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 1.2ct lab-grown round diamond

This 1.2ct lab-grown round sits in the classic one-carat band, graded I colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG492123251 or 492123251. Listed at 12 retailers as of November 4, 2026, with a 173% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
I
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG492123251
Dimensions6.91 × 6.89 × 4.17 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
6.91 mm6.89 mm1.20 ctI / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG492123251
Side View
Table 59.0%Crown 32.9°Girdle: MediumPavilion 41.2°Culet: NoneDepth 60.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: €4,343 EUR|Low: €612 EUR|High: €4,401 EUR|Avg: €2,215 EUR
Retailer 1
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
November 1, 2026
Retailer 7€612 EUR
Retailer 9€1,311 EUR
Retailer 13€1,468 EUR
Retailer 10€1,520 EUR
Retailer 12€1,520 EUR
Retailer 14€1,673 EUR
Retailer 4€1,679 EUR
Retailer 2€2,050 EUR
Retailer 11€2,398 EUR
Retailer 8€2,561 EUR
Retailer 3€2,760 EUR
Retailer 5€3,083 EUR
Retailer 6€3,403 EUR
Retailer 1€4,343 EUR

20 data points across 14 retailers

12 retailers€612 EUR to €1,673 EUR

B+
Cheapest Retailer
-
€612 EUR
B
Retailer 2
-
€1,311 EUR
View
B
Retailer 3
-
€1,426 EUR
View
B
Retailer 4
-
€1,468 EUR
View
Final sale: no returns
B
Retailer 5
-
€1,520 EUR
View
Retailer 6
-
€1,520 EUR
View
Price last confirmed 24 days ago
B
Retailer 7
-
€1,673 EUR
View
Retailer 8
-
€2,398 EUR
View
Price under review
Retailer 9
-
€2,561 EUR
View
Price under review
Retailer 10
-
€2,760 EUR
View
Price under review
Most Expensive
NZ Jewellers
83d27848-2b21-41ff-bcf2-1981091fa5b8 · Nov 3
€2,851 EUR
$3,212 USD
View
Price under review
10 more retailers have this diamond
Prices start from €612 EURSave up to €1,061 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.

B+
1.20ct Round
€612 EUR