Round|Lab Grown|IGI

23.35ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG797643076

Shape and cutting style on the report: Round brilliant

Certificate IGI LG797643076

Diamond specifications and retailer prices

From £12,485 GBP
$16,729 USD
As of October 26, 2026
Save £27,986 GBP (69%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £40,471 GBP at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 23.35ct lab-grown round diamond

This 23.35ct 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 LG797643076 or 797643076. Listed at 18 retailers as of October 26, 2026, with prices from £12,485 to £40,471, a £27,986 spread on the same certified stone. Reve Diamonds lists it at £40,471. 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

23.35
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG797643076
Dimensions18.38 × 18.28 × 11.15 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
18.38 mm18.28 mm23.35 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG797643076
Side View
Table 59.0%Crown 34.5°Girdle: MED-STKPavilion 40.7°CuletDepth 60.8%

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 26
Current: £16,294 GBP|Low: £10,594 GBP|High: £35,309 GBP|Avg: £16,872 GBP|+52.7%
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 10£10,594 GBP
Retailer 11£10,850 GBP
Retailer 3£12,012 GBP
Retailer 12£12,485 GBP
Retailer 5£12,810 GBP
Retailer 9£14,507 GBP
Retailer 2£14,515 GBP
Retailer 4£14,515 GBP
Retailer 7£15,940 GBP
Retailer 1£16,294 GBP
Retailer 6£24,454 GBP
Retailer 8£27,274 GBP
Retailer 13£35,309 GBP

38 data points across 13 retailers

18 retailers£12,485 GBP to £40,471 GBP

Retailer 1
-
£10,594 GBP
$14,195 USD
Price last confirmed 13 days ago
Retailer 2
-
£10,850 GBP
View
Price last confirmed 14 days ago
Retailer 3
-
£12,012 GBP
$16,095 USD
View
Price last confirmed 23 days ago
B+
Retailer 4
-
£12,485 GBP
$16,729 USD
View
B+
Retailer 5
-
£12,810 GBP
$17,164 USD
View
Retailer 6
-
£12,813 GBP
$17,168 USD
View
Price last confirmed 21 days ago
Retailer 7
-
£13,603 GBP
$18,226 USD
View
Price last confirmed 24 days ago
B
Retailer 8
-
£13,650 GBP
$18,290 USD
View
B
Retailer 9
-
£14,507 GBP
$19,438 USD
View
Retailer 10
-
£14,515 GBP
$19,448 USD
View
Price last confirmed 29 days ago
B
Retailer 11
-
£15,940 GBP
View
B
Retailer 12
-
£16,294 GBP
$21,832 USD
View
Final sale: no returns
B
Retailer 13
-
£24,454 GBP
€31,205 EUR
View
Retailer 14
-
£27,274 GBP
A$56,222 AUD
View
Price last confirmed 8 days ago
B
Retailer 15
-
£27,599 GBP
$36,979 USD
View
B
Retailer 16
-
£35,309 GBP
$47,310 USD
View
B
Retailer 17
-
£35,726 GBP
$47,870 USD
View
Most Expensive
B
Reve Diamonds
6E0851ECC · Oct 30
£40,471 GBP
$54,227 USD
View
17 more retailers have this diamond
Prices start from £12,485 GBPSave up to £27,986 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+
23.35ct Round
£12,485 GBP