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1.25ct H SI1 Round Lab Grown Diamond

ID • H/SI1 • IGI LG219614474

Shape and cutting style on the report: Round brilliant

Certificate IGI LG219614474

Diamond specifications and retailer prices

From $591 NZD
As of November 6, 2026
Save $1,603 NZD (73%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $2,194 NZD at MOH London · As of November 5, 2026
View at MOH London

About this 1.25ct lab-grown round diamond

This 1.25ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG219614474 or 219614474. Listed at 6 retailers as of November 5, 2026, with prices from $591 to $2,194, a $1,603 spread on the same certified stone. MOH London lists it at $2,194. 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

1.25
Carat
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG219614474
Dimensions6.84 × 6.79 × 4.34 mm
L/W Ratio1.01
Culet sizePointed
Cert comments
This Chemical Vapor Deposition (CVD) laboratory grown diamond is classified as Type IIa.
Top View
6.84 mm6.79 mm1.25 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG219614474
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 41.5°Culet: NoneDepth 63.7%

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: Nov 6
Current: $2,194 NZD|Low: $573 NZD|High: $2,212 NZD|Avg: $1,168 NZD|+8.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 3$591 NZD
Retailer 2$765 NZD
Retailer 5$845 NZD
Retailer 4$1,062 NZD
Retailer 7$1,252 NZD
Retailer 6$1,726 NZD
MOH London$2,194 NZD

13 data points across 7 retailers

6 retailers$591 NZD to $2,194 NZD

A
Cheapest Retailer
-
$591 NZD
A
Retailer 2
-
$765 NZD
View
B+
Retailer 3
-
$845 NZD
View
A
Retailer 4
-
$1,062 NZD
View
B+
Retailer 5
-
$1,726 NZD
View
Most Expensive
B
MOH London
LG_219614474 · Nov 5
$2,194 NZD
£971 GBP
View
5 more retailers have this diamond
Prices start from $591 NZDSave up to $1,603 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
1.25ct Round
$591 NZD