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Radiant|Lab Grown|IGI

1.77ct G VS1 Radiant Lab Grown Diamond

GD • G/VS1 • IGI LG579391390

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

Certificate IGI LG579391390

Diamond specifications and retailer prices

From £184 GBP
$247 USD
As of October 30, 2026
Save £1,226 GBP (87%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £1,411 GBP at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

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 standard cut grade and certified by IGI LG579391390 or 579391390. Listed at 19 retailers as of October 30, 2026, with prices from £184 to £1,411, a £1,226 spread on the same certified stone. Do Amore Diamonds lists it at £1,411. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.77
Carat
G
Colour
VS1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43°
Pavilion angle35.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG579391390
Dimensions8.75 × 5.96 × 4.00 mm
L/W Ratio1.47
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.75 mm5.96 mm1.77 ctG / VS1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG579391390
Side View
Table 65.0%Crown 43°Girdle: MediumPavilion 35.2°Culet: NoneDepth 67.1%

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: £1,411 GBP|Low: £181 GBP|High: £1,411 GBP|Avg: £528 GBP|+2.2%
Do Amore Diamonds
Retailer 2
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Retailer 17
November 1, 2026
Retailer 3£184 GBP
Retailer 7£206 GBP
Retailer 17£214 GBP
Retailer 5£229 GBP
Retailer 12£229 GBP
Retailer 2£295 GBP
Retailer 4£299 GBP
Retailer 11£389 GBP
Retailer 16£434 GBP
Retailer 10£444 GBP
Retailer 6£479 GBP
Retailer 15£587 GBP
Retailer 14£812 GBP
Retailer 9£937 GBP
Retailer 8£990 GBP
Retailer 13£1,018 GBP
Do Amore Diamonds£1,411 GBP

29 data points across 17 retailers

19 retailers£184 GBP to £1,411 GBP

A
Cheapest Retailer
-
£184 GBP
$247 USD
A
Retailer 2
-
£206 GBP
$276 USD
View
Final sale: no returns
A
Retailer 3
-
£214 GBP
$287 USD
View
B+
Retailer 4
-
£229 GBP
$307 USD
View
B+
Retailer 5
-
£229 GBP
$307 USD
View
B+
Retailer 6
-
£295 GBP
View
B
Retailer 7
-
£299 GBP
$401 USD
View
B+
Retailer 8
-
£389 GBP
€497 EUR
View
B+
Retailer 9
-
£434 GBP
ZAR 9,395 ZAR
View
B+
Retailer 10
-
£444 GBP
View
B+
Retailer 11
-
£479 GBP
$642 USD
View
B+
Retailer 12
-
£587 GBP
A$1,211 AUD
View
B+
Retailer 13
-
£648 GBP
View
B
Retailer 14
-
£812 GBP
$1,088 USD
View
Retailer 15
-
£886 GBP
$1,187 USD
View
Price last confirmed 83 days ago
B
Retailer 16
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£937 GBP
$1,256 USD
View
B
Retailer 17
-
£990 GBP
View
B
Retailer 18
-
£1,018 GBP
View
Most Expensive
C
Do Amore Diamonds
34-DBS203-3717 · Oct 30
£1,411 GBP
$1,890 USD
View
18 more retailers have this diamond
Prices start from £184 GBPSave up to £1,226 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
£184 GBP