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Radiant|Lab Grown|IGI

0.73ct D VS1 Radiant Lab Grown Diamond

EX • D/VS1 • IGI LG788624689

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

Certificate IGI LG788624689

Diamond specifications and retailer prices

From £127 GBP
$171 USD
As of October 30, 2026
Save £772 GBP (86%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: £899 GBP at Queensmith · As of October 27, 2026
View at Queensmith

About this 0.73ct lab-grown radiant diamond

This 0.73ct lab-grown radiant sits in the half to three-quarter carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG788624689 or 788624689. Listed at 25 retailers as of October 27, 2026, with prices from £127 to £899, a £772 spread on the same certified stone. Queensmith lists it at £899. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.73
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.4°
Pavilion angle35.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788624689
Dimensions6.31 × 4.56 × 3.00 mm
L/W Ratio1.38
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
6.31 mm4.56 mm0.73 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788624689
Side View
Table 66.0%Crown 39.4°Girdle: MediumPavilion 35.1°Culet: NoneDepth 65.8%

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: £288 GBP|Low: £122 GBP|High: £829 GBP|Avg: £338 GBP|+2.9%
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
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Retailer 17
November 1, 2026
Retailer 16£127 GBP
Retailer 8£143 GBP
Retailer 5£148 GBP
Retailer 3£158 GBP
Retailer 6£158 GBP
Retailer 14£183 GBP
Retailer 2£215 GBP
Retailer 11£283 GBP
Retailer 1£288 GBP
Retailer 12£294 GBP
Retailer 7£329 GBP
Retailer 15£395 GBP
Retailer 13£403 GBP
Retailer 4£509 GBP
Retailer 17£537 GBP
Retailer 10£740 GBP
Retailer 9£829 GBP

44 data points across 17 retailers

25 retailers£127 GBP to £899 GBP

A
Cheapest Retailer
-
£127 GBP
$171 USD
A
Retailer 2
-
£143 GBP
$192 USD
View
Final sale: no returns
A
Retailer 3
-
£148 GBP
$199 USD
View
Retailer 4
-
£158 GBP
$212 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
£158 GBP
$212 USD
View
A
Retailer 6
-
£181 GBP
HK$1,900 HKD
View
A
Retailer 7
-
£183 GBP
$245 USD
View
A
Retailer 8
-
£206 GBP
$276 USD
View
A
Retailer 9
-
£215 GBP
$288 USD
View
A
Retailer 10
-
£283 GBP
View
A
Retailer 11
-
£288 GBP
ZAR 6,235 ZAR
View
B+
Retailer 12
-
£294 GBP
€376 EUR
View
B+
Retailer 13
-
£329 GBP
$442 USD
View
B+
Retailer 14
-
£395 GBP
$530 USD
View
B+
Retailer 15
-
£403 GBP
A$833 AUD
View
B+
Retailer 16
-
£433 GBP
SGD 786 SGD
View
Retailer 17
-
£487 GBP
$653 USD
View
Price last confirmed 28 days ago
B
Retailer 18
-
£509 GBP
$683 USD
View
B
Retailer 19
-
£522 GBP
$700 USD
View
B
Retailer 20
-
£537 GBP
$720 USD
View
B
Retailer 21
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£550 GBP
$737 USD
View
B
Retailer 22
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£740 GBP
View
B
Retailer 23
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£821 GBP
$1,102 USD
View
B
Retailer 24
-
£829 GBP
View
Most Expensive
B
Queensmith
LG788624689 · Oct 27
£899 GBP
View
24 more retailers have this diamond
Prices start from £127 GBPSave up to £772 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
0.73ct Radiant
£127 GBP