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Round|Lab Grown|IGI

1.26ct J VS1 Round Lab Grown Diamond

ID • J/VS1 • IGI LG492122422

Shape and cutting style on the report: Round brilliant

Certificate IGI LG492122422

Diamond specifications and retailer prices

From €633 EUR
As of November 5, 2026
Save €1,854 EUR (75%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €4,268 EUR at MOH London · As of October 27, 2026
View at MOH London

About this 1.26ct lab-grown round diamond

This 1.26ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded J colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG492122422 or 492122422. Listed at 12 retailers as of November 5, 2026, with a 293% 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

1.26
Carat
J
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG492122422
Dimensions7.07 × 7.09 × 4.16 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
7.07 mm7.09 mm1.26 ctJ / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG492122422
Side View
Table 58.5%Crown 32.9°Girdle: THN-MEDPavilion 40.2°Culet: NoneDepth 58.7%

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 5
Current: €4,268 EUR|Low: €633 EUR|High: €4,320 EUR|Avg: €1,881 EUR|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 3, 2026
Retailer 4€633 EUR
Retailer 5€1,144 EUR
Retailer 9€1,281 EUR
Retailer 6€1,327 EUR
Retailer 8€1,327 EUR
Retailer 10€1,479 EUR
Retailer 11€1,823 EUR
Retailer 7€2,100 EUR
Retailer 2€2,440 EUR
Retailer 3€2,473 EUR
MOH London€4,268 EUR

20 data points across 11 retailers

12 retailers€633 EUR to €2,487 EUR

A
Cheapest Retailer
-
€633 EUR
B+
Retailer 2
-
€1,144 EUR
View
B+
Retailer 3
-
€1,245 EUR
View
B+
Retailer 4
-
€1,281 EUR
View
Final sale: no returns
B
Retailer 5
-
€1,327 EUR
View
Retailer 6
-
€1,327 EUR
View
Price last confirmed 25 days ago
B+
Retailer 7
-
€1,479 EUR
View
B
Retailer 8
-
€2,100 EUR
View
B
Retailer 9
-
€2,440 EUR
View
B
Retailer 10
-
€2,473 EUR
View
B
Retailer 11
-
€2,487 EUR
View
Most Expensive
MOH London
LG492122422 · Oct 27
€4,268 EUR
£3,772 GBP
View
Price last confirmed 10 days ago
11 more retailers have this diamond
Prices start from €633 EURSave up to €1,854 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
1.26ct Round
€633 EUR