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Radiant|Lab Grown|IGI

4.53ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG768631058

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

Certificate IGI LG768631058

Diamond specifications and retailer prices

From £17,061 GBP
$22,860 USD
As of October 29, 2026
3 retailers carry this diamond
Most expensive: £17,061 GBP at Brilliant Earth
View at Brilliant Earth

About this 4.53ct lab-grown radiant diamond

This 4.53ct lab-grown radiant sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG768631058 or 768631058. Listed at 3 retailers as of October 29, 2026. 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

4.53
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.8°
Pavilion angle33.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768631058
Dimensions11.73 × 11.73 × 8.30 mm
L/W Ratio1.00
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
11.73 mm11.73 mm4.53 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768631058
Side View
Table 60.0%Crown 44.8°Girdle: MediumPavilion 33.9°Culet: NoneDepth 64.9%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 29
Current: £17,061 GBP|Low: £2,753 GBP|High: £23,681 GBP|Avg: £9,914 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
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Retailer 16
October 8, 2026
Retailer 9£2,753 GBP
Retailer 10£3,553 GBP
Retailer 11£4,019 GBP
Retailer 14£4,471 GBP
Retailer 16£5,399 GBP
Retailer 15£5,433 GBP
Retailer 12£5,665 GBP
Retailer 13£7,018 GBP
Retailer 6£7,578 GBP
Retailer 8£10,930 GBP
Retailer 2£13,351 GBP
Retailer 5£13,705 GBP
Retailer 4£14,327 GBP
Brilliant Earth£17,061 GBP
Retailer 7£19,748 GBP
Retailer 3£23,681 GBP

3 data points across 16 retailers

3 retailers

Retailer 1
-
£5,665 GBP
$7,590 USD
Price last confirmed 54 days ago
Retailer 2
-
£13,351 GBP
A$27,522 AUD
View
Price last confirmed 22 days ago
Most Expensive
B
Brilliant Earth
18070710Y · Oct 29
£17,061 GBP
$22,860 USD
View
2 more retailers have this diamond

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.

B
4.53ct Radiant
£17,061 GBP