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Radiant|Lab Grown|IGI

1.55ct E VS1 Radiant Lab Grown Diamond

VG • E/VS1 • IGI LG706530148

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

Certificate IGI LG706530148

Diamond specifications and retailer prices

From £206 GBP
$274 USD
As of October 28, 2026
Save £1,266 GBP (86%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: £1,472 GBP at Brilliant Earth · As of October 23, 2026
View at Brilliant Earth

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 LG706530148 or 706530148. Listed at 25 retailers as of October 23, 2026, with prices from £206 to £1,472, a £1,266 spread on the same certified stone. Brilliant Earth lists it at £1,472. 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 angle38.1°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG706530148
Dimensions7.85 × 5.63 × 4.15 mm
L/W Ratio1.39
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
7.85 mm5.63 mm1.55 ctE / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG706530148
Side View
Table 63.0%Crown 38.1°Girdle: MED-STKPavilion 38.4°Culet: NoneDepth 73.7%

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 28
Current: £1,472 GBP|Low: £206 GBP|High: £1,547 GBP|Avg: £525 GBP|-4.9%
Brilliant Earth
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
October 29, 2026
Retailer 5£206 GBP
Retailer 13£228 GBP
Retailer 6£308 GBP
Retailer 9£392 GBP
Retailer 11£410 GBP
Retailer 4£418 GBP
Retailer 2£432 GBP
Retailer 10£533 GBP
Retailer 12£569 GBP
Retailer 8£709 GBP
Retailer 3£734 GBP
Retailer 14£830 GBP
Retailer 7£920 GBP
Brilliant Earth£1,472 GBP

41 data points across 14 retailers

25 retailers£206 GBP to £1,472 GBP

A
Retailer 1
-
£184 GBP
$245 USD
Price last confirmed 10 days ago
A
Retailer 2
-
£206 GBP
$274 USD
View
Final sale: no returns
A
Retailer 3
-
£214 GBP
$285 USD
View
Price last confirmed 15 days ago
A
Retailer 4
-
£228 GBP
$304 USD
View
Price last confirmed 13 days ago
A
Retailer 5
-
£228 GBP
$304 USD
View
Price last confirmed 10 days ago
A
Retailer 6
-
£260 GBP
HK$2,700 HKD
View
B+
Retailer 7
-
£308 GBP
$410 USD
View
A
Retailer 8
-
£392 GBP
ZAR 8,444 ZAR
View
B+
Retailer 9
-
£406 GBP
$541 USD
View
B+
Retailer 10
-
£410 GBP
€520 EUR
View
B+
Retailer 11
-
£418 GBP
$556 USD
View
A
Retailer 12
-
£432 GBP
View
B+
Retailer 13
-
£533 GBP
A$1,091 AUD
View
B
Retailer 14
-
£569 GBP
$758 USD
View
Price last confirmed 7 days ago
B
Retailer 15
-
£576 GBP
$767 USD
View
B
Retailer 16
-
£709 GBP
A$1,452 AUD
View
B
Retailer 17
-
£734 GBP
$978 USD
View
Price last confirmed 9 days ago
B
Retailer 18
-
£738 GBP
SGD 1,328 SGD
View
B
Retailer 19
-
£773 GBP
$1,030 USD
View
B
Retailer 20
-
£830 GBP
$1,105 USD
View
B
Retailer 21
-
£835 GBP
$1,112 USD
View
Price last confirmed 81 days ago
B
Retailer 22
-
£899 GBP
$1,197 USD
View
B
Retailer 23
-
£920 GBP
View
B
Retailer 24
-
£1,005 GBP
$1,338 USD
View
Most Expensive
B
Brilliant Earth
14484433A · Oct 23
£1,472 GBP
$1,960 USD
View
24 more retailers have this diamond
Prices start from £206 GBPSave up to £1,266 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
£206 GBP