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Radiant|Lab Grown|IGI

0.54ct D SI1 Radiant Lab Grown Diamond

ID • D/SI1 • IGI LG677562061

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

Certificate IGI LG677562061

Diamond specifications and retailer prices

From £112 GBP
$150 USD
As of October 30, 2026
Save £661 GBP (86%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £773 GBP at Reve Diamonds · As of November 1, 2026
View at Reve Diamonds

About this 0.54ct lab-grown radiant diamond

This 0.54ct lab-grown radiant sits in the half to three-quarter carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG677562061 or 677562061. Listed at 17 retailers as of October 30, 2026, with prices from £112 to £773, a £661 spread on the same certified stone. Reve Diamonds lists it at £773. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.54
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.7°
Pavilion angle34.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG677562061
Dimensions5.80 × 4.08 × 2.72 mm
L/W Ratio1.42
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
5.80 mm4.08 mm0.54 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG677562061
Side View
Table 65.0%Crown 40.7°Girdle: MediumPavilion 34.5°Culet: NoneDepth 66.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: £650 GBP|Low: £107 GBP|High: £658 GBP|Avg: £257 GBP|-0.1%
Retailer 1
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
November 1, 2026
Retailer 12£112 GBP
Retailer 6£125 GBP
Retailer 3£130 GBP
Retailer 4£139 GBP
Retailer 14£139 GBP
Retailer 13£188 GBP
Retailer 10£194 GBP
Retailer 7£242 GBP
Retailer 9£261 GBP
Retailer 8£263 GBP
Retailer 5£307 GBP
Retailer 2£447 GBP
Retailer 11£472 GBP
Retailer 1£650 GBP

45 data points across 14 retailers

17 retailers£112 GBP to £773 GBP

A
Cheapest Retailer
-
£112 GBP
$150 USD
A
Retailer 2
-
£125 GBP
$168 USD
View
Final sale: no returns
A
Retailer 3
-
£130 GBP
$174 USD
View
Retailer 4
-
£139 GBP
$186 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
£139 GBP
$186 USD
View
A
Retailer 6
-
£162 GBP
HK$1,700 HKD
View
A
Retailer 7
-
£188 GBP
$252 USD
View
Retailer 8
-
£194 GBP
$260 USD
View
Price last confirmed 11 days ago
B+
Retailer 9
-
£242 GBP
View
B+
Retailer 10
-
£261 GBP
$350 USD
View
B+
Retailer 11
-
£263 GBP
€336 EUR
View
B+
Retailer 12
-
£307 GBP
$411 USD
View
B
Retailer 13
-
£447 GBP
$599 USD
View
B
Retailer 14
-
£472 GBP
$633 USD
View
B
Retailer 15
-
£489 GBP
$655 USD
View
B
Retailer 16
-
£650 GBP
View
Most Expensive
B
Reve Diamonds
8C6213B2A · Nov 1
£773 GBP
$1,035 USD
View
16 more retailers have this diamond
Prices start from £112 GBPSave up to £661 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
0.54ct Radiant
£112 GBP