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1.26ct H SI2 Round Lab Grown Diamond

ID • H/SI2 • IGI LG496135571

Shape and cutting style on the report: Round brilliant

Certificate IGI LG496135571

Diamond specifications and retailer prices

From $1,235 NZD
As of November 5, 2026
Save $4,386 NZD (78%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $5,621 NZD at MOH London · As of November 3, 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG496135571 or 496135571. Listed at 10 retailers as of November 3, 2026, with prices from $1,235 to $5,621, a $4,386 spread on the same certified stone. MOH London lists it at $5,621. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.26
Carat
H
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG496135571
Dimensions6.96 × 7.03 × 4.26 mm
L/W Ratio1.01
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
6.96 mm7.03 mm1.26 ctH / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG496135571
Side View
Table 55.5%Crown 33.3°Girdle: THN-MEDPavilion 40.7°Culet: NoneDepth 60.9%

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: $5,621 NZD|Low: $1,185 NZD|High: $5,689 NZD|Avg: $2,536 NZD
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 5$1,235 NZD
Retailer 2$1,263 NZD
Retailer 8$1,343 NZD
Retailer 10$1,380 NZD
Retailer 6$1,432 NZD
Retailer 11$2,284 NZD
Retailer 7$2,327 NZD
Retailer 3$3,204 NZD
Retailer 4$3,526 NZD
Retailer 9$4,024 NZD
MOH London$5,621 NZD

13 data points across 11 retailers

10 retailers$1,235 NZD to $5,621 NZD

A
Cheapest Retailer
-
$1,235 NZD
A
Retailer 2
-
$1,263 NZD
View
A
Retailer 3
-
$1,343 NZD
View
A
Retailer 4
-
$1,380 NZD
View
Final sale: no returns
A
Retailer 5
-
$1,432 NZD
View
Retailer 6
-
$1,432 NZD
View
Price last confirmed 21 days ago
B+
Retailer 7
-
$2,327 NZD
View
B
Retailer 8
-
$3,526 NZD
View
B
Retailer 9
-
$4,024 NZD
View
Most Expensive
B
MOH London
LG496135571 · Nov 3
$5,621 NZD
£2,488 GBP
View
9 more retailers have this diamond
Prices start from $1,235 NZDSave up to $4,386 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
$1,235 NZD