CaratHunter
Plans
Radiant|Lab Grown|IGI

1.77ct G VS1 Radiant Lab Grown Diamond

ID • G/VS1 • IGI LG596309191

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG596309191

Diamond specifications and retailer prices

From $663 AUD
$466 USD
As of November 1, 2026
Save $1,828 AUD (73%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,491 AUD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.77ct lab-grown radiant diamond

This 1.77ct lab-grown radiant sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG596309191 or 596309191. Listed at 16 retailers as of October 31, 2026, with prices from $663 to $2,491, a $1,828 spread on the same certified stone. Brilliant Earth lists it at $2,491. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.77
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.1°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG596309191
Dimensions8.76 × 5.89 × 4.02 mm
L/W Ratio1.49
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
8.76 mm5.89 mm1.77 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG596309191
Side View
Table 66.0%Crown 45.1°Girdle: MediumPavilion 35.6°Culet: NoneDepth 68.3%

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 1
Current: $2,491 AUD|Low: $329 AUD|High: $2,933 AUD|Avg: $1,070 AUD|-12.1%
Brilliant Earth
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
November 1, 2026
Retailer 3$350 AUD
Retailer 7$366 AUD
Retailer 5$663 AUD
Retailer 11$668 AUD
Retailer 2$672 AUD
Retailer 10$724 AUD
Retailer 14$871 AUD
Retailer 16$893 AUD
Retailer 12$909 AUD
Retailer 13$1,256 AUD
Retailer 8$1,323 AUD
Retailer 4$1,326 AUD
Retailer 9$1,558 AUD
Retailer 15$1,584 AUD
Retailer 6$1,792 AUD
Brilliant Earth$2,491 AUD

40 data points across 16 retailers

16 retailers$663 AUD to $2,491 AUD

Retailer 1
-
$342 AUD
$240 USD
Price last confirmed 35 days ago
Retailer 2
-
$360 AUD
$253 USD
View
Price last confirmed 35 days ago
B+
Retailer 3
-
$663 AUD
$466 USD
View
A
Retailer 4
-
$668 AUD
€447 EUR
View
A
Retailer 5
-
$672 AUD
ZAR 7,623 ZAR
View
A
Retailer 6
-
$724 AUD
£400 GBP
View
A
Retailer 7
-
$871 AUD
$612 USD
View
A
Retailer 8
-
$893 AUD
$627 USD
View
A
Retailer 9
-
$909 AUD
View
B+
Retailer 10
-
$1,256 AUD
£694 GBP
View
B+
Retailer 11
-
$1,256 AUD
$882 USD
View
B+
Retailer 12
-
$1,326 AUD
$931 USD
View
B+
Retailer 13
-
$1,558 AUD
£862 GBP
View
B+
Retailer 14
-
$1,584 AUD
$1,113 USD
View
Retailer 15
-
$1,792 AUD
$1,259 USD
View
Price last confirmed 21 days ago
Most Expensive
B
Brilliant Earth
7939372A · Oct 31
$2,491 AUD
$1,750 USD
View
15 more retailers have this diamond
Prices start from $663 AUDSave up to $1,828 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
1.77ct Radiant
$663 AUD