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Round|Lab Grown|IGI

1.22ct I SI1 Round Lab Grown Diamond

EX • I/SI1 • IGI LG447001343

Shape and cutting style on the report: Round brilliant

Certificate IGI LG447001343

Diamond specifications and retailer prices

From $1,067 NZD
As of November 5, 2026
Save $7,106 NZD (87%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $8,174 NZD at MOH London · As of November 5, 2026
View at MOH London

About this 1.22ct lab-grown round diamond

This 1.22ct lab-grown round sits in the classic one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG447001343 or 447001343. Listed at 13 retailers as of November 5, 2026, with prices from $1,067 to $8,174, a $7,106 spread on the same certified stone. MOH London lists it at $8,174. 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

1.22
Carat
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG447001343
Dimensions6.82 × 6.78 × 4.27 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
6.82 mm6.78 mm1.22 ctI / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG447001343
Side View
Table 56.5%Crown 35.9°Girdle: MediumPavilion 41°Culet: NoneDepth 62.9%

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: $8,174 NZD|Low: $1,067 NZD|High: $8,305 NZD|Avg: $3,782 NZD|-0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 5$1,067 NZD
Retailer 6$2,474 NZD
Retailer 11$2,691 NZD
Retailer 10$2,770 NZD
Retailer 7$2,869 NZD
Retailer 9$2,869 NZD
Retailer 2$3,734 NZD
Retailer 8$4,529 NZD
Retailer 4$4,864 NZD
Retailer 3$5,378 NZD
MOH London$8,174 NZD

46 data points across 11 retailers

13 retailers$1,067 NZD to $8,174 NZD

A
Cheapest Retailer
-
$1,067 NZD
B+
Retailer 2
-
$2,474 NZD
View
B+
Retailer 3
-
$2,691 NZD
View
B+
Retailer 4
-
$2,770 NZD
View
Final sale: no returns
Retailer 5
-
$2,869 NZD
View
Price last confirmed 25 days ago
B+
Retailer 6
-
$2,869 NZD
View
B
Retailer 7
-
$3,175 NZD
View
B+
Retailer 8
-
$3,734 NZD
View
B
Retailer 9
-
$4,529 NZD
View
B
Retailer 10
-
$4,864 NZD
View
B
Retailer 11
-
$5,207 NZD
View
B
Retailer 12
-
$5,378 NZD
View
Most Expensive
B
MOH London
LG447001343 · Nov 5
$8,174 NZD
£3,618 GBP
View
12 more retailers have this diamond
Prices start from $1,067 NZDSave up to $7,106 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
1.22ct Round
$1,067 NZD