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 $239 AUD
As of November 5, 2026
Save $1,148 AUD (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,386 AUD 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 $239 to $1,386, a $1,148 spread on the same certified stone. MOH London lists it at $1,386. 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: $1,386 AUD|Low: $230 AUD|High: $1,403 AUD|Avg: $639 AUD
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$239 AUD
Retailer 4$278 AUD
Retailer 12$297 AUD
Retailer 2$512 AUD
Retailer 6$517 AUD
Retailer 7$518 AUD
Retailer 13$533 AUD
Retailer 3$661 AUD
Retailer 9$662 AUD
Retailer 10$789 AUD
Retailer 8$830 AUD
Retailer 5$953 AUD
MOH London$1,386 AUD

45 data points across 13 retailers

18 retailers$239 AUD to $1,386 AUD

A
Cheapest Retailer
-
$239 AUD
A
Retailer 2
-
$278 AUD
View
A
Retailer 3
-
$297 AUD
View
Retailer 4
-
$297 AUD
View
Price last confirmed 13 days ago
A
Retailer 5
-
$512 AUD
View
A
Retailer 6
-
$517 AUD
View
A
Retailer 7
-
$518 AUD
View
A
Retailer 8
-
$533 AUD
View
A
Retailer 9
-
$547 AUD
View
B+
Retailer 10
-
$661 AUD
View
B+
Retailer 11
-
$662 AUD
View
B+
Retailer 12
-
$789 AUD
View
B+
Retailer 13
-
$800 AUD
View
B+
Retailer 14
-
$830 AUD
View
B
Retailer 15
-
$953 AUD
View
B
Retailer 16
-
$1,007 AUD
View
B
Retailer 17
-
$1,032 AUD
View
Most Expensive
B
MOH London
LG788620075 · Nov 2
$1,386 AUD
£750 GBP
View
17 more retailers have this diamond
Prices start from $239 AUDSave up to $1,148 AUD

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
$239 AUD