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 $466 USD
As of October 30, 2026
Save $1,284 USD (73%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,750 USD at Brilliant Earth · As of October 30, 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 30, 2026, with prices from $466 to $1,750, a $1,284 spread on the same certified stone. Brilliant Earth lists it at $1,750. 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
Color
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

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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: Oct 30
Current: $1,750 USD|Low: $231 USD|High: $2,070 USD|Avg: $783 USD|-15.5%
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
October 30, 2026
Retailer 3$246 USD
Retailer 5$466 USD
Retailer 9$470 USD
Retailer 12$492 USD
Retailer 2$508 USD
Retailer 13$612 USD
Retailer 15$627 USD
Retailer 10$638 USD
Retailer 11$882 USD
Retailer 7$930 USD
Retailer 4$931 USD
Retailer 8$1,101 USD
Retailer 14$1,113 USD
Retailer 6$1,259 USD
Brilliant Earth$1,750 USD

41 data points across 15 retailers

16 retailers$466 USD to $1,750 USD

Retailer 1
-
$240 USD
Price last confirmed 33 days ago
Retailer 2
-
$253 USD
View
Price last confirmed 33 days ago
B+
Retailer 3
-
$466 USD
View
A
Retailer 4
-
$470 USD
ZAR 7,585 ZAR
View
A
Retailer 5
-
$492 USD
€469 EUR
View
A
Retailer 6
-
$508 USD
£400 GBP
View
A
Retailer 7
-
$612 USD
View
A
Retailer 8
-
$627 USD
View
A
Retailer 9
-
$638 USD
A$982 AUD
View
B+
Retailer 10
-
$882 USD
£694 GBP
View
B+
Retailer 11
-
$882 USD
View
B+
Retailer 12
-
$931 USD
View
B+
Retailer 13
-
$1,101 USD
£867 GBP
View
B+
Retailer 14
-
$1,113 USD
View
Retailer 15
-
$1,259 USD
View
Price last confirmed 19 days ago
Most Expensive
B
Brilliant Earth
7939372A · Oct 30
$1,750 USD
View
15 more retailers have this diamond
Prices start from $466 USDSave up to $1,284 USD

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
$466 USD