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Round|Lab Grown|IGI

1.22ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG788620075

Shape and cutting style on the report: Round brilliant

Certificate IGI LG788620075

Diamond specifications and retailer prices

From $296 NZD
As of November 5, 2026
Save $1,422 NZD (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,718 NZD at MOH London · As of November 2, 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG788620075 or 788620075. Listed at 18 retailers as of November 2, 2026, with prices from $296 to $1,718, a $1,422 spread on the same certified stone. MOH London lists it at $1,718. 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
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788620075
Dimensions6.85 × 6.81 × 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 Type IIa
Top View
6.85 mm6.81 mm1.22 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788620075
Side View
Table 59.0%Crown 35.7°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.3%

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 5
Current: $1,718 NZD|Low: $285 NZD|High: $1,739 NZD|Avg: $792 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
November 6, 2026
Retailer 11$296 NZD
Retailer 4$345 NZD
Retailer 12$368 NZD
Retailer 2$635 NZD
Retailer 6$640 NZD
Retailer 7$642 NZD
Retailer 13$660 NZD
Retailer 3$819 NZD
Retailer 9$821 NZD
Retailer 10$978 NZD
Retailer 8$1,028 NZD
Retailer 5$1,182 NZD
MOH London$1,718 NZD

45 data points across 13 retailers

18 retailers$296 NZD to $1,718 NZD

A
Cheapest Retailer
-
$296 NZD
A
Retailer 2
-
$345 NZD
View
A
Retailer 3
-
$368 NZD
View
Retailer 4
-
$368 NZD
View
Price last confirmed 13 days ago
A
Retailer 5
-
$635 NZD
View
A
Retailer 6
-
$640 NZD
View
A
Retailer 7
-
$642 NZD
View
A
Retailer 8
-
$660 NZD
View
A
Retailer 9
-
$678 NZD
View
B+
Retailer 10
-
$819 NZD
View
B+
Retailer 11
-
$821 NZD
View
B+
Retailer 12
-
$978 NZD
View
B+
Retailer 13
-
$992 NZD
View
B+
Retailer 14
-
$1,028 NZD
View
B
Retailer 15
-
$1,182 NZD
View
B
Retailer 16
-
$1,248 NZD
View
B
Retailer 17
-
$1,279 NZD
View
Most Expensive
B
MOH London
LG788620075 · Nov 2
$1,718 NZD
£750 GBP
View
17 more retailers have this diamond
Prices start from $296 NZDSave up to $1,422 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
$296 NZD