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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 €636 EUR
$710 USD
As of October 30, 2026
Save €3,652 EUR (85%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €4,288 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 October 27, 2026, with prices from €636 to €4,288, a €3,652 spread on the same certified stone. MOH London lists it at €4,288. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €4,288 EUR|Low: €636 EUR|High: €4,340 EUR|Avg: €1,891 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
October 30, 2026
Retailer 2€636 EUR
Retailer 5€1,149 EUR
Retailer 9€1,287 EUR
Retailer 6€1,333 EUR
Retailer 8€1,333 EUR
Retailer 10€1,486 EUR
Retailer 11€1,831 EUR
Retailer 7€2,110 EUR
Retailer 4€2,450 EUR
Retailer 3€2,485 EUR
MOH London€4,288 EUR

19 data points across 11 retailers

12 retailers€636 EUR to €4,288 EUR

A
Cheapest Retailer
-
€636 EUR
$710 USD
B+
Retailer 2
-
€1,149 EUR
$1,284 USD
View
B+
Retailer 3
-
€1,250 EUR
$1,397 USD
View
B+
Retailer 4
-
€1,287 EUR
$1,438 USD
View
Final sale: no returns
B
Retailer 5
-
€1,333 EUR
$1,489 USD
View
Retailer 6
-
€1,333 EUR
$1,489 USD
View
Price last confirmed 19 days ago
B+
Retailer 7
-
€1,486 EUR
$1,660 USD
View
B
Retailer 8
-
€2,110 EUR
$2,357 USD
View
B
Retailer 9
-
€2,450 EUR
ZAR 44,222 ZAR
View
B
Retailer 10
-
€2,485 EUR
$2,776 USD
View
B
Retailer 11
-
€2,498 EUR
$2,791 USD
View
Most Expensive
B
MOH London
LG492122422 · Oct 27
€4,288 EUR
£3,772 GBP
View
11 more retailers have this diamond
Prices start from €636 EURSave up to €3,652 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
€636 EUR