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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 €618 EUR
$690 USD
As of October 31, 2026
Save €1,070 EUR (63%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €2,875 EUR at NZ Jewellers · As of October 31, 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 October 31, 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
Color
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: Oct 31
Current: €4,380 EUR|Low: €618 EUR|High: €4,439 EUR|Avg: €2,234 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€618 EUR
Retailer 9€1,322 EUR
Retailer 13€1,480 EUR
Retailer 10€1,533 EUR
Retailer 12€1,533 EUR
Retailer 14€1,687 EUR
Retailer 4€1,694 EUR
Retailer 2€2,068 EUR
Retailer 11€2,419 EUR
Retailer 8€2,583 EUR
Retailer 3€2,784 EUR
Retailer 5€3,110 EUR
Retailer 6€3,432 EUR
Retailer 1€4,380 EUR

20 data points across 14 retailers

12 retailers€618 EUR to €1,687 EUR

B+
Cheapest Retailer
-
€618 EUR
$690 USD
B
Retailer 2
-
€1,322 EUR
$1,477 USD
View
B
Retailer 3
-
€1,438 EUR
$1,607 USD
View
B
Retailer 4
-
€1,480 EUR
$1,654 USD
View
Final sale: no returns
B
Retailer 5
-
€1,533 EUR
$1,713 USD
View
Retailer 6
-
€1,533 EUR
$1,713 USD
View
Price last confirmed 19 days ago
B
Retailer 7
-
€1,687 EUR
$1,885 USD
View
Retailer 8
-
€2,419 EUR
$2,702 USD
View
Price under review
Retailer 9
-
€2,583 EUR
View
Price under review
Retailer 10
-
€2,784 EUR
$3,110 USD
View
Price under review
Most Expensive
NZ Jewellers
83d27848-2b21-41ff-bcf2-1981091fa5b8 · Oct 31
€2,875 EUR
$3,212 USD
View
Price under review
10 more retailers have this diamond
Prices start from €618 EURSave up to €1,070 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
€618 EUR