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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 £228 GBP
$305 USD
As of October 25, 2026
Save £669 GBP (75%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £896 GBP 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 £228 to £896, a £669 spread on the same certified stone. Brilliance lists it at £896. 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 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

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 25
Current: £896 GBP|Low: £228 GBP|High: £1,754 GBP|Avg: £717 GBP|+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£228 GBP
Retailer 4£361 GBP
Retailer 9£383 GBP
Retailer 10£418 GBP
Retailer 13£474 GBP
Retailer 12£478 GBP
Retailer 3£489 GBP
Retailer 14£530 GBP
Retailer 7£659 GBP
Retailer 2£734 GBP
Retailer 15£771 GBP
Retailer 8£876 GBP
Brilliance£896 GBP
Retailer 5£901 GBP
Retailer 16£1,105 GBP
Retailer 6£1,754 GBP

11 data points across 16 retailers

10 retailers£228 GBP to £896 GBP

Retailer 1
-
£184 GBP
$246 USD
Price last confirmed 8 days ago
A
Retailer 2
-
£228 GBP
$305 USD
View
B+
Retailer 3
-
£383 GBP
$513 USD
View
A
Retailer 4
-
£418 GBP
View
A
Retailer 5
-
£474 GBP
$635 USD
View
A
Retailer 6
-
£478 GBP
$640 USD
View
Retailer 7
-
£530 GBP
A$1,093 AUD
View
Price last confirmed 7 days ago
B+
Retailer 8
-
£734 GBP
$984 USD
View
B+
Retailer 9
-
£771 GBP
$1,033 USD
View
Most Expensive
B+
Brilliance
D32238226 · Oct 26
£896 GBP
$1,201 USD
View
9 more retailers have this diamond
Prices start from £228 GBPSave up to £669 GBP

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
£228 GBP