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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 $1,263 NZD
As of November 5, 2026
Save $3,702 NZD (75%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $8,522 NZD 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: $8,522 NZD|Low: $1,263 NZD|High: $8,626 NZD|Avg: $3,755 NZD|-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$1,263 NZD
Retailer 5$2,284 NZD
Retailer 9$2,558 NZD
Retailer 6$2,649 NZD
Retailer 8$2,649 NZD
Retailer 10$2,953 NZD
Retailer 11$3,640 NZD
Retailer 7$4,193 NZD
Retailer 2$4,872 NZD
Retailer 3$4,938 NZD
MOH London$8,522 NZD

20 data points across 11 retailers

12 retailers$1,263 NZD to $4,965 NZD

A
Cheapest Retailer
-
$1,263 NZD
B+
Retailer 2
-
$2,284 NZD
View
B+
Retailer 3
-
$2,485 NZD
View
B+
Retailer 4
-
$2,558 NZD
View
Final sale: no returns
B
Retailer 5
-
$2,649 NZD
View
Retailer 6
-
$2,649 NZD
View
Price last confirmed 25 days ago
B+
Retailer 7
-
$2,953 NZD
View
B
Retailer 8
-
$4,193 NZD
View
B
Retailer 9
-
$4,872 NZD
View
B
Retailer 10
-
$4,938 NZD
View
B
Retailer 11
-
$4,965 NZD
View
Most Expensive
MOH London
LG492122422 · Oct 27
$8,522 NZD
£3,772 GBP
View
Price last confirmed 10 days ago
11 more retailers have this diamond
Prices start from $1,263 NZDSave up to $3,702 NZD

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
$1,263 NZD