Radiant|Lab Grown|IGI

1.77ct G VS1 Radiant Lab Grown Diamond

ID • G/VS1 • IGI LG680541667

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

Certificate IGI LG680541667

Diamond specifications and retailer prices

From $305 USD
As of October 25, 2026
Save $896 USD (75%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,201 USD at Brilliance · As of October 26, 2026
View at Brilliance

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 LG680541667 or 680541667. Listed at 10 retailers as of October 25, 2026, with prices from $305 to $1,201, a $896 spread on the same certified stone. Brilliance lists it at $1,201. 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 angle40.7°
Pavilion angle35.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG680541667
Dimensions8.27 × 6.03 × 4.10 mm
L/W Ratio1.37
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.27 mm6.03 mm1.77 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG680541667
Side View
Table 65.0%Crown 40.7°Girdle: Slightly ThickPavilion 35.7°Culet: NoneDepth 68.0%

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: Oct 25
Current: $1,201 USD|Low: $305 USD|High: $2,350 USD|Avg: $961 USD|+2.5%
Brilliance
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
October 26, 2026
Retailer 11$305 USD
Retailer 4$484 USD
Retailer 9$513 USD
Retailer 10$561 USD
Retailer 13$635 USD
Retailer 12$640 USD
Retailer 3$655 USD
Retailer 14$710 USD
Retailer 7$884 USD
Retailer 2$984 USD
Retailer 15$1,033 USD
Retailer 8$1,173 USD
Brilliance$1,201 USD
Retailer 5$1,207 USD
Retailer 16$1,481 USD
Retailer 6$2,350 USD

11 data points across 16 retailers

10 retailers$305 USD to $1,201 USD

Retailer 1
-
$246 USD
Price last confirmed 7 days ago
A
Retailer 2
-
$305 USD
View
B+
Retailer 3
-
$513 USD
View
A
Retailer 4
-
$561 USD
£442 GBP
View
A
Retailer 5
-
$635 USD
View
A
Retailer 6
-
$640 USD
View
B+
Retailer 7
-
$710 USD
A$1,093 AUD
View
B+
Retailer 8
-
$984 USD
View
B+
Retailer 9
-
$1,033 USD
View
Most Expensive
B+
Brilliance
D32238226 · Oct 26
$1,201 USD
View
9 more retailers have this diamond
Prices start from $305 USDSave up to $896 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
$305 USD