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1.22ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • IGI LG765603203

Shape and cutting style on the report: Round brilliant

Certificate IGI LG765603203

Diamond specifications and retailer prices

From $639 NZD
As of November 6, 2026
Save $1,083 NZD (63%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,722 NZD at MOH London · As of November 1, 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG765603203 or 765603203. Listed at 10 retailers as of November 1, 2026, with prices from $639 to $1,722, a $1,083 spread on the same certified stone. MOH London lists it at $1,722. 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
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG765603203
Dimensions6.82 × 6.78 × 4.27 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.82 mm6.78 mm1.22 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG765603203
Side View
Table 57.0%Crown 36.2°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.8%

Caratlytics Score

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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: $1,722 NZD|Low: $368 NZD|High: $1,773 NZD|Avg: $828 NZD|-2.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 9$368 NZD
Retailer 2$639 NZD
Retailer 5$651 NZD
Retailer 7$664 NZD
Retailer 8$681 NZD
Retailer 6$813 NZD
Retailer 3$863 NZD
Retailer 4$959 NZD
Retailer 10$1,050 NZD
MOH London$1,722 NZD

36 data points across 10 retailers

10 retailers$639 NZD to $1,722 NZD

Retailer 1
-
$368 NZD
Price last confirmed 12 days ago
A
Retailer 2
-
$639 NZD
View
A
Retailer 3
-
$651 NZD
View
A
Retailer 4
-
$664 NZD
View
A
Retailer 5
-
$681 NZD
View
B+
Retailer 6
-
$813 NZD
View
B+
Retailer 7
-
$863 NZD
View
B
Retailer 8
-
$959 NZD
View
B+
Retailer 9
-
$1,050 NZD
View
Most Expensive
B
MOH London
LG765603203 · Nov 1
$1,722 NZD
£762 GBP
View
9 more retailers have this diamond
Prices start from $639 NZDSave up to $1,083 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
$639 NZD