Radiant|Lab Grown|IGI

1.55ct E VS1 Radiant Lab Grown Diamond

VG • E/VS1 • IGI LG685580448

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

Certificate IGI LG685580448

Diamond specifications and retailer prices

From £162 GBP
$216 USD
As of October 27, 2026
Save £1,400 GBP (90%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £1,562 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.55ct lab-grown radiant diamond

This 1.55ct lab-grown radiant sits in the one-and-a-half to two carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG685580448 or 685580448. Listed at 21 retailers as of October 27, 2026, with prices from £162 to £1,562, a £1,400 spread on the same certified stone. Do Amore Diamonds lists it at £1,562. 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

1.55
Carat
E
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.6°
Pavilion angle37.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG685580448
Dimensions5.74 × 5.74 × 8.15 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.74 mm5.74 mm1.55 ctE / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG685580448
Side View
Table 68.0%Crown 44.6°Girdle: MediumPavilion 37.5°Culet: NoneDepth 68.5%

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 27
Current: £1,562 GBP|Low: £130 GBP|High: £1,577 GBP|Avg: £635 GBP|-1.0%
Do Amore Diamonds
Retailer 2
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October 29, 2026
Retailer 17£162 GBP
Retailer 7£181 GBP
Retailer 5£188 GBP
Retailer 3£201 GBP
Retailer 19£201 GBP
Retailer 20£271 GBP
Retailer 6£310 GBP
Retailer 15£382 GBP
Retailer 2£420 GBP
Retailer 4£450 GBP
Retailer 16£518 GBP
Retailer 18£650 GBP
Retailer 21£714 GBP
Retailer 11£719 GBP
Retailer 9£773 GBP
Retailer 12£827 GBP
Retailer 8£843 GBP
Retailer 13£896 GBP
Retailer 10£916 GBP
Retailer 14£1,513 GBP
Do Amore Diamonds£1,562 GBP

43 data points across 21 retailers

21 retailers£162 GBP to £1,562 GBP

A
Cheapest Retailer
-
£162 GBP
$216 USD
A
Retailer 2
-
£181 GBP
$241 USD
View
Final sale: no returns
A
Retailer 3
-
£188 GBP
$251 USD
View
A
Retailer 4
-
£201 GBP
$268 USD
View
A
Retailer 5
-
£201 GBP
$268 USD
View
B+
Retailer 6
-
£271 GBP
$361 USD
View
A
Retailer 7
-
£310 GBP
$413 USD
View
A
Retailer 8
-
£382 GBP
ZAR 8,212 ZAR
View
A
Retailer 9
-
£420 GBP
View
B+
Retailer 10
-
£450 GBP
$599 USD
View
B+
Retailer 11
-
£518 GBP
A$1,061 AUD
View
B+
Retailer 12
-
£650 GBP
$865 USD
View
B+
Retailer 13
-
£714 GBP
$951 USD
View
B+
Retailer 14
-
£719 GBP
A$1,474 AUD
View
B
Retailer 15
-
£773 GBP
$1,030 USD
View
Price last confirmed 10 days ago
B
Retailer 16
-
£827 GBP
$1,101 USD
View
B
Retailer 17
-
£843 GBP
$1,122 USD
View
B
Retailer 18
-
£896 GBP
View
B
Retailer 19
-
£916 GBP
$1,220 USD
View
B
Retailer 20
-
£1,513 GBP
$2,015 USD
View
Most Expensive
B
Do Amore Diamonds
27-74381E393 · Oct 29
£1,562 GBP
$2,080 USD
View
20 more retailers have this diamond
Prices start from £162 GBPSave up to £1,400 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
1.55ct Radiant
£162 GBP