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Round|Lab Grown|IGI

20.04ct G VS2 Round Lab Grown Diamond

ID • G/VS2 • IGI LG809660432

Shape and cutting style on the report: Round brilliant

Certificate IGI LG809660432

Diamond specifications and retailer prices

From £13,721 GBP
As of November 1, 2026
Save £13,654 GBP (50%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £39,700 GBP at Taylor and Hart · As of October 18, 2026
View at Taylor and Hart

About this 20.04ct lab-grown round diamond

This 20.04ct lab-grown round sits in the over five carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG809660432 or 809660432. Listed at 9 retailers as of October 29, 2026, with a 100% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

20.04
Carat
G
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG809660432
Dimensions17.64 × 17.56 × 10.44 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.64 mm17.56 mm20.04 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG809660432
Side View
Table 59.0%Crown 33.4°Girdle: MED-STKPavilion 40°Culet: NoneDepth 59.3%

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: Nov 1
Current: £13,721 GBP|Low: £8,377 GBP|High: £39,700 GBP|Avg: £19,181 GBP|-0.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Taylor and Hart
November 1, 2026
Retailer 2£8,377 GBP
Retailer 1£13,721 GBP
Retailer 4£16,042 GBP
Retailer 9£16,488 GBP
Retailer 6£16,830 GBP
Retailer 3£18,290 GBP
Retailer 5£20,449 GBP
Retailer 7£23,401 GBP
Retailer 10£25,987 GBP
Retailer 8£27,374 GBP
Taylor and Hart£39,700 GBP

15 data points across 11 retailers

9 retailers£13,721 GBP to £27,374 GBP

B+
Cheapest Retailer
-
£13,721 GBP
B
Retailer 2
-
£16,042 GBP
$21,495 USD
View
Retailer 3
-
£16,488 GBP
$22,092 USD
View
Price last confirmed 9 days ago
B
Retailer 4
-
£16,830 GBP
$22,551 USD
View
B
Retailer 5
-
£18,290 GBP
View
B
Retailer 6
-
£20,449 GBP
$27,399 USD
View
B
Retailer 7
-
£23,401 GBP
$31,355 USD
View
Final sale: no returns
B
Retailer 8
-
£27,374 GBP
€34,932 EUR
View
Most Expensive
Taylor and Hart
4DWR8HZ · Oct 18
£39,700 GBP
$53,193 USD
View
Price under review
8 more retailers have this diamond
Prices start from £13,721 GBPSave up to £13,654 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+
20.04ct Round
£13,721 GBP