Radiant|Lab Grown|IGI

1.52ct G VS1 Radiant Lab Grown Diamond

ID • G/VS1 • IGI LG778659544

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

Certificate IGI LG778659544

Diamond specifications and retailer prices

From £154 GBP
$207 USD
As of October 30, 2026
Save £838 GBP (84%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £993 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.52ct lab-grown radiant diamond

This 1.52ct lab-grown radiant sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG778659544 or 778659544. Listed at 20 retailers as of October 30, 2026, with prices from £154 to £993, a £838 spread on the same certified stone. Brilliant Earth lists it at £993. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.52
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle35.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778659544
Dimensions7.92 × 5.92 × 3.83 mm
L/W Ratio1.34
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.92 mm5.92 mm1.52 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778659544
Side View
Table 67.0%Crown 33.7°Girdle: MED-STKPavilion 35.9°Culet: NoneDepth 64.7%

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: £993 GBP|Low: £150 GBP|High: £1,075 GBP|Avg: £454 GBP|-6.3%
Brilliant Earth
Retailer 2
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Retailer 20
November 1, 2026
Retailer 19£154 GBP
Retailer 18£172 GBP
Retailer 9£180 GBP
Retailer 5£192 GBP
Retailer 11£193 GBP
Retailer 6£331 GBP
Retailer 20£331 GBP
Retailer 14£353 GBP
Retailer 16£359 GBP
Retailer 17£439 GBP
Retailer 7£450 GBP
Retailer 15£502 GBP
Retailer 2£616 GBP
Retailer 10£625 GBP
Retailer 12£642 GBP
Retailer 4£656 GBP
Retailer 8£773 GBP
Retailer 3£775 GBP
Retailer 13£781 GBP
Brilliant Earth£993 GBP

29 data points across 20 retailers

20 retailers£154 GBP to £993 GBP

A
Cheapest Retailer
-
£154 GBP
$207 USD
A
Retailer 2
-
£172 GBP
$231 USD
View
Final sale: no returns
A
Retailer 3
-
£180 GBP
$241 USD
View
A
Retailer 4
-
£192 GBP
$257 USD
View
A
Retailer 5
-
£193 GBP
$258 USD
View
A
Retailer 6
-
£331 GBP
ZAR 7,165 ZAR
View
B+
Retailer 7
-
£331 GBP
$444 USD
View
A
Retailer 8
-
£353 GBP
View
A
Retailer 9
-
£359 GBP
$481 USD
View
A
Retailer 10
-
£439 GBP
$588 USD
View
A
Retailer 11
-
£450 GBP
A$928 AUD
View
B+
Retailer 12
-
£502 GBP
$672 USD
View
B+
Retailer 13
-
£616 GBP
$825 USD
View
B+
Retailer 14
-
£625 GBP
SGD 1,131 SGD
View
B+
Retailer 15
-
£642 GBP
$860 USD
View
B+
Retailer 16
-
£656 GBP
$878 USD
View
B+
Retailer 17
-
£773 GBP
View
B
Retailer 18
-
£775 GBP
$1,038 USD
View
B+
Retailer 19
-
£781 GBP
$1,046 USD
View
Most Expensive
B
Brilliant Earth
21501721A · Oct 31
£993 GBP
$1,330 USD
View
19 more retailers have this diamond
Prices start from £154 GBPSave up to £838 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
1.52ct Radiant
£154 GBP