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Radiant|Lab Grown|IGI

1.77ct G VS1 Radiant Lab Grown Diamond

ID • G/VS1 • IGI LG601393268

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

Certificate IGI LG601393268

Diamond specifications and retailer prices

From £164 GBP
$220 USD
As of October 30, 2026
Save £1,142 GBP (87%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £1,306 GBP 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 LG601393268 or 601393268. Listed at 21 retailers as of October 30, 2026, with prices from £164 to £1,306, a £1,142 spread on the same certified stone. Brilliant Earth lists it at £1,306. 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 angle44.2°
Pavilion angle35.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG601393268
Dimensions8.70 × 5.95 × 4.01 mm
L/W Ratio1.46
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
8.70 mm5.95 mm1.77 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG601393268
Side View
Table 67.0%Crown 44.2°Girdle: MediumPavilion 35.9°Culet: NoneDepth 67.4%

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: £1,306 GBP|Low: £154 GBP|High: £1,537 GBP|Avg: £490 GBP|-4.9%
Brilliant Earth
Retailer 2
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Retailer 20
October 31, 2026
Retailer 3£164 GBP
Retailer 19£184 GBP
Retailer 17£191 GBP
Retailer 5£204 GBP
Retailer 6£204 GBP
Retailer 20£240 GBP
Retailer 11£348 GBP
Retailer 2£350 GBP
Retailer 15£350 GBP
Retailer 13£379 GBP
Retailer 7£457 GBP
Retailer 9£468 GBP
Retailer 16£476 GBP
Retailer 4£656 GBP
Retailer 18£658 GBP
Retailer 10£695 GBP
Retailer 14£822 GBP
Retailer 8£831 GBP
Retailer 12£939 GBP
Brilliant Earth£1,306 GBP

37 data points across 20 retailers

21 retailers£164 GBP to £1,306 GBP

A
Cheapest Retailer
-
£164 GBP
$220 USD
A
Retailer 2
-
£184 GBP
$247 USD
View
Final sale: no returns
A
Retailer 3
-
£191 GBP
$256 USD
View
A
Retailer 4
-
£204 GBP
$273 USD
View
A
Retailer 5
-
£204 GBP
$273 USD
View
Retailer 6
-
£240 GBP
View
Price last confirmed 14 days ago
B+
Retailer 7
-
£348 GBP
$466 USD
View
A
Retailer 8
-
£350 GBP
€447 EUR
View
A
Retailer 9
-
£350 GBP
ZAR 7,585 ZAR
View
A
Retailer 10
-
£379 GBP
View
A
Retailer 11
-
£457 GBP
$612 USD
View
A
Retailer 12
-
£468 GBP
$627 USD
View
A
Retailer 13
-
£476 GBP
A$982 AUD
View
B+
Retailer 14
-
£656 GBP
$879 USD
View
B+
Retailer 15
-
£658 GBP
View
B+
Retailer 16
-
£658 GBP
$882 USD
View
B+
Retailer 17
-
£695 GBP
$931 USD
View
B+
Retailer 18
-
£822 GBP
View
B+
Retailer 19
-
£831 GBP
$1,113 USD
View
Retailer 20
-
£939 GBP
$1,259 USD
View
Price last confirmed 20 days ago
Most Expensive
B
Brilliant Earth
8408246A · Oct 31
£1,306 GBP
$1,750 USD
View
20 more retailers have this diamond
Prices start from £164 GBPSave up to £1,142 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
£164 GBP