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Round|Lab Grown|IGI

1.33ct F SI1 Round Lab Grown Diamond

EX • F/SI1 • IGI LG773646377

Shape and cutting style on the report: Round brilliant

Certificate IGI LG773646377

Diamond specifications and retailer prices

From $335 AUD
As of November 6, 2026
Save $655 AUD (66%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,425 AUD at MOH London · As of October 26, 2026
View at MOH London

About this 1.33ct lab-grown round diamond

This 1.33ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG773646377 or 773646377. Listed at 17 retailers as of November 6, 2026, with a 196% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.33
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG773646377
Dimensions7.04 × 6.98 × 4.41 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
7.04 mm6.98 mm1.33 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG773646377
Side View
Table 56.0%Crown 35.3°Girdle: MED-STKPavilion 40.8°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: $1,425 AUD|Low: $236 AUD|High: $1,457 AUD|Avg: $662 AUD|-1.2%
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
Retailer 16
Retailer 17
November 6, 2026
Retailer 4$246 AUD
Retailer 8$285 AUD
Retailer 9$304 AUD
Retailer 15$335 AUD
Retailer 2$501 AUD
Retailer 10$524 AUD
Retailer 11$524 AUD
Retailer 12$540 AUD
Retailer 6$648 AUD
Retailer 7$674 AUD
Retailer 17$706 AUD
Retailer 14$707 AUD
Retailer 13$796 AUD
Retailer 3$902 AUD
Retailer 5$978 AUD
Retailer 16$990 AUD
MOH London$1,425 AUD

43 data points across 17 retailers

17 retailers$335 AUD to $990 AUD

Retailer 1
-
$246 AUD
Price last confirmed 12 days ago
Retailer 2
-
$285 AUD
View
Price last confirmed 11 days ago
Retailer 3
-
$304 AUD
View
Price last confirmed 15 days ago
A
Retailer 4
-
$335 AUD
View
A
Retailer 5
-
$501 AUD
View
A
Retailer 6
-
$524 AUD
View
A
Retailer 7
-
$524 AUD
View
B+
Retailer 8
-
$540 AUD
View
A
Retailer 9
-
$648 AUD
View
Retailer 10
-
$674 AUD
View
Price last confirmed 12 days ago
Retailer 11
-
$706 AUD
View
Price last confirmed 13 days ago
A
Retailer 12
-
$707 AUD
View
B+
Retailer 13
-
$796 AUD
View
B+
Retailer 14
-
$902 AUD
View
Retailer 15
-
$978 AUD
View
Price last confirmed 14 days ago
B+
Retailer 16
-
$990 AUD
View
Most Expensive
MOH London
LG773646377 · Oct 26
$1,425 AUD
£771 GBP
View
Price last confirmed 11 days ago
16 more retailers have this diamond
Prices start from $335 AUDSave up to $655 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
1.33ct Round
$335 AUD