Radiant|Lab Grown|IGI

0.91ct G VS1 Radiant Lab Grown Diamond

EX • G/VS1 • IGI LG555201847

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

Certificate IGI LG555201847

Diamond specifications and retailer prices

From £137 GBP
$183 USD
As of October 30, 2026
Save £578 GBP (81%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £796 GBP at Flawless Fine Jewelry · As of October 6, 2026
View at Flawless Fine Jewelry

About this 0.91ct lab-grown radiant diamond

This 0.91ct lab-grown radiant sits in the just-under-one-carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG555201847 or 555201847. Listed at 19 retailers as of October 29, 2026, with a 423% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.91
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40°
Pavilion angle33.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG555201847
Dimensions6.44 × 4.93 × 3.25 mm
L/W Ratio1.31
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.44 mm4.93 mm0.91 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG555201847
Side View
Table 65.5%Crown 40°Girdle: MED-STKPavilion 33.1°Culet: NoneDepth 65.9%

Caratlytics Score

How it works →
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: £267 GBP|Low: £118 GBP|High: £719 GBP|Avg: £307 GBP|+3.7%
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
October 31, 2026
Retailer 2£118 GBP
Retailer 5£137 GBP
Retailer 12£152 GBP
Retailer 13£152 GBP
Retailer 10£201 GBP
Retailer 1£267 GBP
Retailer 3£273 GBP
Retailer 8£275 GBP
Retailer 9£379 GBP
Retailer 4£386 GBP
Retailer 6£396 GBP
Retailer 11£516 GBP
Retailer 7£715 GBP

44 data points across 13 retailers

19 retailers£137 GBP to £715 GBP

Retailer 1
-
£118 GBP
$158 USD
Price last confirmed 29 days ago
A
Retailer 2
-
£137 GBP
$183 USD
View
Final sale: no returns
Retailer 3
-
£143 GBP
$191 USD
View
Price last confirmed 34 days ago
Retailer 4
-
£152 GBP
$204 USD
View
Price last confirmed 19 days ago
Retailer 5
-
£152 GBP
$204 USD
View
Price last confirmed 28 days ago
Retailer 6
-
£201 GBP
View
Price last confirmed 14 days ago
A
Retailer 7
-
£233 GBP
$312 USD
View
A
Retailer 8
-
£267 GBP
View
B+
Retailer 9
-
£273 GBP
$366 USD
View
A
Retailer 10
-
£275 GBP
ZAR 5,950 ZAR
View
B+
Retailer 11
-
£379 GBP
A$781 AUD
View
B+
Retailer 12
-
£386 GBP
$517 USD
View
B+
Retailer 13
-
£396 GBP
$530 USD
View
Retailer 14
-
£489 GBP
$655 USD
View
Price last confirmed 31 days ago
B
Retailer 15
-
£516 GBP
$692 USD
View
B
Retailer 16
-
£530 GBP
$710 USD
View
B
Retailer 17
-
£607 GBP
View
B
Retailer 18
-
£715 GBP
View
Most Expensive
Flawless Fine Jewelry
F0CD3AFD6 · Oct 6
£796 GBP
View
Price last confirmed 25 days ago
18 more retailers have this diamond
Prices start from £137 GBPSave up to £578 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
0.91ct Radiant
£137 GBP