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Radiant|Lab Grown|IGI

1.55ct D VVS1 Radiant Lab Grown Diamond

ID • D/VVS1 • IGI LG728564950

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

Certificate IGI LG728564950

Diamond specifications and retailer prices

From £177 GBP
$237 USD
As of November 2, 2026
Save £1,585 GBP (90%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £1,761 GBP at Frank Darling · As of November 3, 2026
View at Frank Darling

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), with a top-tier cut grade and certified by IGI LG728564950 or 728564950. Listed at 15 retailers as of November 2, 2026, with prices from £177 to £1,761, a £1,585 spread on the same certified stone. Frank Darling lists it at £1,761. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.5°
Pavilion angle34.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG728564950
Dimensions8.26 × 5.71 × 3.79 mm
L/W Ratio1.45
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
8.26 mm5.71 mm1.55 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG728564950
Side View
Table 66.0%Crown 45.5°Girdle: MediumPavilion 34.6°Culet: NoneDepth 66.4%

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: Nov 2
Current: £1,761 GBP|Low: £176 GBP|High: £1,762 GBP|Avg: £786 GBP|-0.0%
Frank Darling
Retailer 2
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Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 3, 2026
Retailer 10£177 GBP
Retailer 11£198 GBP
Retailer 12£205 GBP
Retailer 13£270 GBP
Retailer 15£298 GBP
Retailer 5£388 GBP
Retailer 2£567 GBP
Retailer 9£624 GBP
Retailer 3£778 GBP
Retailer 7£869 GBP
Retailer 8£971 GBP
Retailer 6£1,115 GBP
Retailer 4£1,290 GBP
Retailer 14£1,700 GBP
Frank Darling£1,761 GBP

34 data points across 15 retailers

15 retailers£177 GBP to £1,761 GBP

A
Cheapest Retailer
-
£177 GBP
$237 USD
A
Retailer 2
-
£198 GBP
$266 USD
View
Final sale: no returns
A
Retailer 3
-
£205 GBP
$275 USD
View
A
Retailer 4
-
£270 GBP
$363 USD
View
B+
Retailer 5
-
£298 GBP
$399 USD
View
A
Retailer 6
-
£388 GBP
€495 EUR
View
B+
Retailer 7
-
£567 GBP
A$1,170 AUD
View
B+
Retailer 8
-
£624 GBP
$837 USD
View
B+
Retailer 9
-
£778 GBP
$1,044 USD
View
B+
Retailer 10
-
£869 GBP
$1,166 USD
View
B+
Retailer 11
-
£971 GBP
View
B+
Retailer 12
-
£1,115 GBP
$1,495 USD
View
B
Retailer 13
-
£1,290 GBP
$1,730 USD
View
B
Retailer 14
-
£1,700 GBP
$2,280 USD
View
Most Expensive
B
Frank Darling
MR-65463GR · Nov 3
£1,761 GBP
$2,362 USD
View
14 more retailers have this diamond
Prices start from £177 GBPSave up to £1,585 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
£177 GBP