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Round|Lab Grown|IGI

23.48ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG724556345

Shape and cutting style on the report: Round brilliant

Certificate IGI LG724556345

Diamond specifications and retailer prices

From £10,886 GBP
As of October 30, 2026
Save £24,987 GBP (70%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £35,873 GBP at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 23.48ct lab-grown round diamond

This 23.48ct lab-grown round sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG724556345 or 724556345. Listed at 18 retailers as of October 30, 2026, with prices from £10,886 to £35,873, a £24,987 spread on the same certified stone. Taylor and Hart lists it at £35,873. 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

23.48
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG724556345
Dimensions18.33 × 18.24 × 11.29 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
18.33 mm18.24 mm23.48 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG724556345
Side View
Table 58.0%Crown 35.3°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £24,591 GBP|Low: £10,553 GBP|High: £38,116 GBP|Avg: £19,269 GBP|-26.9%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Taylor and Hart
October 31, 2026
Retailer 13£10,553 GBP
Retailer 11£10,886 GBP
Retailer 15£12,581 GBP
Retailer 6£12,879 GBP
Retailer 7£12,883 GBP
Retailer 4£13,677 GBP
Retailer 5£13,725 GBP
Retailer 17£14,435 GBP
Retailer 14£14,587 GBP
Retailer 3£14,594 GBP
Retailer 8£14,594 GBP
Retailer 10£16,029 GBP
Retailer 9£19,657 GBP
Retailer 1£24,591 GBP
Retailer 12£27,422 GBP
Retailer 16£27,882 GBP
Retailer 2£35,510 GBP
Taylor and Hart£35,873 GBP

38 data points across 18 retailers

18 retailers£10,886 GBP to £35,873 GBP

Retailer 1
-
£10,553 GBP
$14,140 USD
Price last confirmed 13 days ago
B+
Retailer 2
-
£10,886 GBP
View
B+
Retailer 3
-
£12,581 GBP
$16,857 USD
View
B+
Retailer 4
-
£12,879 GBP
$17,257 USD
View
B+
Retailer 5
-
£12,883 GBP
$17,262 USD
View
B+
Retailer 6
-
£13,677 GBP
$18,326 USD
View
B+
Retailer 7
-
£13,725 GBP
$18,390 USD
View
B
Retailer 8
-
£14,435 GBP
$19,341 USD
View
B
Retailer 9
-
£14,587 GBP
$19,545 USD
View
B
Retailer 10
-
£14,594 GBP
$19,554 USD
View
Retailer 11
-
£14,594 GBP
$19,554 USD
View
Price last confirmed 19 days ago
B
Retailer 12
-
£16,029 GBP
View
B
Retailer 13
-
£19,657 GBP
$26,338 USD
View
Final sale: no returns
B
Retailer 14
-
£24,591 GBP
€31,380 EUR
View
Retailer 15
-
£27,422 GBP
A$56,527 AUD
View
Price last confirmed 9 days ago
B
Retailer 16
-
£27,882 GBP
$37,359 USD
View
B
Retailer 17
-
£35,510 GBP
$47,580 USD
View
Most Expensive
B
Taylor and Hart
P9SY3IR · Oct 30
£35,873 GBP
$48,066 USD
View
17 more retailers have this diamond
Prices start from £10,886 GBPSave up to £24,987 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.

B+
23.48ct Round
£10,886 GBP