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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 $827 NZD
$466 USD
As of November 1, 2026
Save $2,278 NZD (73%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $3,105 NZD 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 $827 to $3,105, a $2,278 spread on the same certified stone. Brilliant Earth lists it at $3,105. 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: $3,105 NZD|Low: $410 NZD|High: $3,655 NZD|Avg: $1,334 NZD|-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$436 NZD
Retailer 7$456 NZD
Retailer 5$827 NZD
Retailer 11$833 NZD
Retailer 2$837 NZD
Retailer 10$902 NZD
Retailer 14$1,086 NZD
Retailer 16$1,112 NZD
Retailer 12$1,133 NZD
Retailer 13$1,565 NZD
Retailer 8$1,649 NZD
Retailer 4$1,652 NZD
Retailer 9$1,942 NZD
Retailer 15$1,975 NZD
Retailer 6$2,233 NZD
Brilliant Earth$3,105 NZD

40 data points across 16 retailers

16 retailers$827 NZD to $3,105 NZD

Retailer 1
-
$426 NZD
$240 USD
Price last confirmed 35 days ago
Retailer 2
-
$449 NZD
$253 USD
View
Price last confirmed 35 days ago
B+
Retailer 3
-
$827 NZD
$466 USD
View
A
Retailer 4
-
$833 NZD
€447 EUR
View
A
Retailer 5
-
$837 NZD
ZAR 7,623 ZAR
View
A
Retailer 6
-
$902 NZD
£400 GBP
View
A
Retailer 7
-
$1,086 NZD
$612 USD
View
A
Retailer 8
-
$1,112 NZD
$627 USD
View
A
Retailer 9
-
$1,133 NZD
A$982 AUD
View
B+
Retailer 10
-
$1,565 NZD
£694 GBP
View
B+
Retailer 11
-
$1,565 NZD
$882 USD
View
B+
Retailer 12
-
$1,652 NZD
$931 USD
View
B+
Retailer 13
-
$1,942 NZD
£862 GBP
View
B+
Retailer 14
-
$1,975 NZD
$1,113 USD
View
Retailer 15
-
$2,233 NZD
$1,259 USD
View
Price last confirmed 21 days ago
Most Expensive
B
Brilliant Earth
7939372A · Oct 31
$3,105 NZD
$1,750 USD
View
15 more retailers have this diamond
Prices start from $827 NZDSave up to $2,278 NZD

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
$827 NZD