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Round|Lab Grown|IGI

1.20ct I VS1 Round Lab Grown Diamond

EX • I/VS1 • IGI LG492123277

Shape and cutting style on the report: Round brilliant

Certificate IGI LG492123277

Diamond specifications and retailer prices

From €846 EUR
As of November 5, 2026
Save €944 EUR (53%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €3,016 EUR at Cape Diamonds · As of November 3, 2026
View at Cape Diamonds

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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG492123277 or 492123277. Listed at 15 retailers as of November 5, 2026, with a 112% 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
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG492123277
Dimensions6.76 × 6.74 × 4.23 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
6.76 mm6.74 mm1.20 ctI / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG492123277
Side View
Table 56.0%Crown 36.4°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.7%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: €3,016 EUR|Low: €846 EUR|High: €4,737 EUR|Avg: €2,382 EUR|+2.5%
Cape Diamonds
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
Retailer 16
Retailer 17
November 5, 2026
Retailer 14€846 EUR
Retailer 13€1,413 EUR
Retailer 4€1,538 EUR
Retailer 3€1,582 EUR
Retailer 15€1,639 EUR
Retailer 17€1,639 EUR
Retailer 9€1,712 EUR
Retailer 7€1,791 EUR
Retailer 8€2,193 EUR
Retailer 16€2,579 EUR
Retailer 11€2,760 EUR
Retailer 12€2,899 EUR
Cape Diamonds€3,016 EUR
Retailer 5€3,073 EUR
Retailer 10€3,942 EUR
Retailer 6€3,950 EUR
Retailer 2€4,669 EUR

32 data points across 17 retailers

15 retailers€846 EUR to €1,791 EUR

B
Cheapest Retailer
-
€846 EUR
B
Retailer 2
-
€1,413 EUR
View
B
Retailer 3
-
€1,538 EUR
View
B
Retailer 4
-
€1,582 EUR
View
Final sale: no returns
Retailer 5
-
€1,639 EUR
View
Price last confirmed 24 days ago
B
Retailer 6
-
€1,639 EUR
View
B
Retailer 7
-
€1,791 EUR
View
Retailer 8
-
€2,579 EUR
View
Price under review
Retailer 9
-
€2,760 EUR
View
Price under review
Retailer 10
-
€2,899 EUR
View
Price under review
Most Expensive
Cape Diamonds
cert_492123277 · Nov 3
€3,016 EUR
ZAR 54,692 ZAR
View
Price under review
10 more retailers have this diamond
Prices start from €846 EURSave up to €944 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
€846 EUR