CaratHunter
Plans
Round|Lab Grown|IGI

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 $506 AUD
As of November 3, 2026
Save $877 AUD (63%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,382 AUD 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 $506 to $1,382, a $877 spread on the same certified stone. MOH London lists it at $1,382. 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

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 3
Current: $1,382 AUD|Low: $296 AUD|High: $1,424 AUD|Avg: $665 AUD|-2.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 4, 2026
Retailer 9$296 AUD
Retailer 3$506 AUD
Retailer 5$523 AUD
Retailer 7$533 AUD
Retailer 8$547 AUD
Retailer 6$653 AUD
Retailer 2$693 AUD
Retailer 4$770 AUD
Retailer 10$843 AUD
MOH London$1,382 AUD

35 data points across 10 retailers

10 retailers$506 AUD to $1,382 AUD

Retailer 1
-
$296 AUD
Price last confirmed 12 days ago
A
Retailer 2
-
$506 AUD
View
A
Retailer 3
-
$523 AUD
View
A
Retailer 4
-
$533 AUD
View
A
Retailer 5
-
$547 AUD
View
B+
Retailer 6
-
$653 AUD
View
B+
Retailer 7
-
$693 AUD
View
B
Retailer 8
-
$770 AUD
View
B+
Retailer 9
-
$843 AUD
View
Most Expensive
B
MOH London
LG765603203 · Nov 1
$1,382 AUD
£762 GBP
View
9 more retailers have this diamond
Prices start from $506 AUDSave up to $877 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
$506 AUD