CaratHunter
Plans
Princess|Lab Grown|IGI

0.77ct F SI2 Princess Lab Grown Diamond

ID • F/SI2 • IGI LG591375545

Shape and cutting style on the report: Princess cut

Certificate IGI LG591375545

Diamond specifications and retailer prices

From $198 AUD
$139 USD
As of November 2, 2026
Save $673 AUD (77%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,275 AUD at MOH London · As of October 21, 2026
View at MOH London

About this 0.77ct lab-grown princess diamond

This 0.77ct lab-grown princess sits in the just-under-one-carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG591375545 or 591375545. Listed at 8 retailers as of October 31, 2026, with a 340% 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

0.77
Carat
F
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.5°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG591375545
Dimensions4.94 × 4.92 × 3.56 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
4.94 mm4.92 mm0.77 ctF / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG591375545
Side View
Table 69.0%Crown 45.5°Girdle: MediumPavilion 39.3°Culet: NoneDepth 72.4%

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 2
Current: $1,275 AUD|Low: $191 AUD|High: $1,284 AUD|Avg: $641 AUD|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 18, 2026
Retailer 4$198 AUD
Retailer 7$229 AUD
Retailer 2$370 AUD
Retailer 6$458 AUD
Retailer 3$834 AUD
Retailer 5$871 AUD
Retailer 8$946 AUD
MOH London$1,275 AUD

11 data points across 8 retailers

8 retailers$198 AUD to $871 AUD

A
Cheapest Retailer
-
$198 AUD
$139 USD
A
Retailer 2
-
$229 AUD
$161 USD
View
A
Retailer 3
-
$370 AUD
$260 USD
View
B+
Retailer 4
-
$458 AUD
$322 USD
View
B
Retailer 5
-
$622 AUD
£344 GBP
View
B
Retailer 6
-
$834 AUD
$586 USD
View
B
Retailer 7
-
$871 AUD
$612 USD
View
Most Expensive
MOH London
LG591375545 · Oct 21
$1,275 AUD
£705 GBP
View
Price last confirmed 12 days ago
7 more retailers have this diamond
Prices start from $198 AUDSave up to $673 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
0.77ct Princess
$198 AUD