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Radiant|Lab Grown|IGI

5.53ct D VS2 Radiant Lab Grown Diamond

ID • D/VS2 • IGI LG821668518

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

Certificate IGI LG821668518

Diamond specifications and retailer prices

From £806 GBP
$1,080 USD
As of October 30, 2026
Save £7,396 GBP (90%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £8,202 GBP at Brilliant Earth · As of October 26, 2026
View at Brilliant Earth

About this 5.53ct lab-grown radiant diamond

This 5.53ct lab-grown radiant sits in the over five carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG821668518 or 821668518. Listed at 23 retailers as of October 26, 2026, with prices from £806 to £8,202, a £7,396 spread on the same certified stone. Brilliant Earth lists it at £8,202. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

5.53
Carat
D
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.5°
Pavilion angle34.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821668518
Dimensions12.04 × 8.59 × 5.99 mm
L/W Ratio1.40
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.04 mm8.59 mm5.53 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821668518
Side View
Table 67.0%Crown 44.5°Girdle: MED-STKPavilion 34.8°Culet: NoneDepth 69.7%

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 30
Current: £4,351 GBP|Low: £773 GBP|High: £8,202 GBP|Avg: £2,174 GBP|-47.0%
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
Retailer 15
October 30, 2026
Retailer 14£806 GBP
Retailer 4£934 GBP
Retailer 6£934 GBP
Retailer 2£1,032 GBP
Retailer 13£1,064 GBP
Retailer 9£1,337 GBP
Retailer 8£1,354 GBP
Retailer 11£1,484 GBP
Retailer 5£1,752 GBP
Retailer 12£1,784 GBP
Retailer 3£2,764 GBP
Retailer 7£3,134 GBP
Retailer 15£3,170 GBP
Retailer 10£3,174 GBP
Brilliant Earth£4,351 GBP

37 data points across 15 retailers

23 retailers£806 GBP to £8,202 GBP

A
Cheapest Retailer
-
£806 GBP
$1,080 USD
A
Retailer 2
-
£877 GBP
$1,175 USD
View
A
Retailer 3
-
£934 GBP
$1,252 USD
View
Retailer 4
-
£934 GBP
$1,252 USD
View
Price last confirmed 13 days ago
A
Retailer 5
-
£972 GBP
$1,303 USD
View
Final sale: no returns
A
Retailer 6
-
£1,032 GBP
View
A
Retailer 7
-
£1,064 GBP
$1,425 USD
View
A
Retailer 8
-
£1,258 GBP
$1,685 USD
View
A
Retailer 9
-
£1,337 GBP
$1,792 USD
View
A
Retailer 10
-
£1,354 GBP
View
A
Retailer 11
-
£1,484 GBP
€1,894 EUR
View
B+
Retailer 12
-
£1,752 GBP
$2,348 USD
View
B+
Retailer 13
-
£1,784 GBP
$2,390 USD
View
B+
Retailer 14
-
£2,582 GBP
View
B+
Retailer 15
-
£2,706 GBP
$3,626 USD
View
B+
Retailer 16
-
£2,764 GBP
$3,703 USD
View
B
Retailer 17
-
£2,943 GBP
$3,943 USD
View
B
Retailer 18
-
£3,134 GBP
SGD 5,674 SGD
View
Retailer 19
-
£3,170 GBP
A$6,534 AUD
View
Price last confirmed 25 days ago
B+
Retailer 20
-
£3,174 GBP
View
Retailer 21
-
£3,266 GBP
$4,376 USD
View
Price last confirmed 12 days ago
B
Retailer 22
-
£4,351 GBP
$5,830 USD
View
Most Expensive
B
Brilliant Earth
20860886A · Oct 26
£8,202 GBP
$10,990 USD
View
22 more retailers have this diamond
Prices start from £806 GBPSave up to £7,396 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
5.53ct Radiant
£806 GBP