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Round|Lab Grown|IGI

1.22ct I SI1 Round Lab Grown Diamond

EX • I/SI1 • IGI LG445036609

Shape and cutting style on the report: Round brilliant

Certificate IGI LG445036609

Diamond specifications and retailer prices

From $1,067 NZD
As of November 5, 2026
Save $7,127 NZD (87%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $8,194 NZD at MOH London · As of November 3, 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 LG445036609 or 445036609. Listed at 13 retailers as of November 3, 2026, with prices from $1,067 to $8,194, a $7,127 spread on the same certified stone. MOH London lists it at $8,194. 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

1.22
Carat
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG445036609
Dimensions6.89 × 6.93 × 4.17 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
6.89 mm6.93 mm1.22 ctI / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG445036609
Side View
Table 59.0%Crown 32°Girdle: MED-STKPavilion 41°Culet: NoneDepth 60.3%

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: $8,194 NZD|Low: $1,067 NZD|High: $8,294 NZD|Avg: $4,141 NZD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 6, 2026
Retailer 8$1,067 NZD
Retailer 10$2,474 NZD
Retailer 14$2,691 NZD
Retailer 3$2,770 NZD
Retailer 11$2,869 NZD
Retailer 13$2,869 NZD
Retailer 4$3,175 NZD
Retailer 2$3,734 NZD
Retailer 5$3,899 NZD
Retailer 12$4,529 NZD
Retailer 9$4,901 NZD
Retailer 6$5,207 NZD
Retailer 15$5,378 NZD
MOH London$8,194 NZD
Retailer 7$8,213 NZD

40 data points across 15 retailers

13 retailers$1,067 NZD to $8,194 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
B+
Retailer 5
-
$2,869 NZD
View
Retailer 6
-
$2,869 NZD
View
Price last confirmed 25 days ago
B
Retailer 7
-
$3,175 NZD
View
B+
Retailer 8
-
$3,734 NZD
View
B
Retailer 9
-
$4,529 NZD
View
Retailer 10
-
$4,901 NZD
View
Price last confirmed 8 days ago
B
Retailer 11
-
$5,207 NZD
View
B
Retailer 12
-
$5,378 NZD
View
Most Expensive
B
MOH London
LG445036609 · Nov 3
$8,194 NZD
£3,627 GBP
View
12 more retailers have this diamond
Prices start from $1,067 NZDSave up to $7,127 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