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Radiant|Lab Grown|IGI

1.55ct D VVS1 Radiant Lab Grown Diamond

D/VVS1 • IGI LG843682650

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

Certificate IGI LG843682650

Diamond specifications and retailer prices

From £223 GBP
$299 USD
As of November 2, 2026
Save £904 GBP (80%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £2,282 GBP at Brilliant Earth · As of October 7, 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 D colour (colourless) and VVS1 clarity (very-very-slightly-included) and certified by IGI LG843682650 or 843682650. Listed at 24 retailers as of November 1, 2026, with a 405% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
D
Colour
VVS1
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.1°
Pavilion angle34.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843682650
Dimensions8.33 × 5.72 × 3.83 mm
L/W Ratio1.46
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.33 mm5.72 mm1.55 ctD / VVS1
OriginLab Grown
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843682650
Side View
Table 66.0%Crown 41.1°Girdle: Slightly ThickPavilion 34.8°Culet: NoneDepth 67.0%

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: Nov 2
Current: £491 GBP|Low: £223 GBP|High: £1,156 GBP|Avg: £588 GBP|-2.1%
Retailer 1
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November 3, 2026
Retailer 13£223 GBP
Retailer 7£250 GBP
Retailer 2£259 GBP
Retailer 9£277 GBP
Retailer 22£277 GBP
Retailer 16£293 GBP
Retailer 3£373 GBP
Retailer 19£391 GBP
Retailer 12£451 GBP
Retailer 14£471 GBP
Retailer 17£477 GBP
Retailer 1£491 GBP
Retailer 6£538 GBP
Retailer 21£646 GBP
Retailer 5£851 GBP
Retailer 11£871 GBP
Retailer 8£890 GBP
Retailer 15£926 GBP
Retailer 10£973 GBP
Retailer 20£986 GBP
Retailer 18£1,110 GBP
Retailer 4£1,127 GBP

26 data points across 22 retailers

24 retailers£223 GBP to £1,127 GBP

A
Cheapest Retailer
-
£223 GBP
$299 USD
A
Retailer 2
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£250 GBP
$335 USD
View
Final sale: no returns
A
Retailer 3
-
£259 GBP
$347 USD
View
Retailer 4
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£277 GBP
$371 USD
View
Price last confirmed 9 days ago
A
Retailer 5
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£277 GBP
$371 USD
View
A
Retailer 6
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£293 GBP
View
A
Retailer 7
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£373 GBP
$500 USD
View
A
Retailer 8
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£391 GBP
$525 USD
View
A
Retailer 9
-
£451 GBP
€576 EUR
View
A
Retailer 10
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£471 GBP
$632 USD
View
B+
Retailer 11
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£477 GBP
ZAR 10,343 ZAR
View
B+
Retailer 12
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£491 GBP
View
B+
Retailer 13
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£538 GBP
$721 USD
View
B+
Retailer 14
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£646 GBP
A$1,332 AUD
View
B
Retailer 15
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£851 GBP
$1,141 USD
View
B
Retailer 16
-
£871 GBP
$1,168 USD
View
B
Retailer 17
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£890 GBP
$1,194 USD
View
B
Retailer 18
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£926 GBP
$1,241 USD
View
B
Retailer 19
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£973 GBP
$1,305 USD
View
B
Retailer 20
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£986 GBP
A$2,035 AUD
View
B
Retailer 21
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£1,110 GBP
View
B
Retailer 22
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£1,127 GBP
$1,511 USD
View
Retailer 23
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£1,189 GBP
$1,595 USD
View
Price last confirmed 29 days ago
Most Expensive
Brilliant Earth
21716780A · Oct 7
£2,282 GBP
$3,060 USD
View
Price last confirmed 27 days ago
23 more retailers have this diamond
Prices start from £223 GBPSave up to £904 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
£223 GBP