Round|Lab Grown|IGI

20.07ct G VS2 Round Lab Grown Diamond

ID • G/VS2 • IGI LG817641434

Shape and cutting style on the report: Round brilliant

Certificate IGI LG817641434

Diamond specifications and retailer prices

From £6,654 GBP
$8,915 USD
As of November 1, 2026
Save £18,341 GBP (73%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £24,995 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 20.07ct lab-grown round diamond

This 20.07ct 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 LG817641434 or 817641434. Listed at 6 retailers as of October 31, 2026, with prices from £6,654 to £24,995, a £18,341 spread on the same certified stone. Brilliant Earth lists it at £24,995. 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

20.07
Carat
G
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817641434
Dimensions17.61 × 17.43 × 10.62 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
17.61 mm17.43 mm20.07 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817641434
Side View
Table 58.0%Crown 34.8°Girdle: MediumPavilion 40.4°Culet: NoneDepth 60.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £24,995 GBP|Low: £6,345 GBP|High: £25,077 GBP|Avg: £13,951 GBP|-0.3%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 4£6,654 GBP
Retailer 2£8,236 GBP
Retailer 3£12,358 GBP
Retailer 5£17,411 GBP
Retailer 6£22,080 GBP
Brilliant Earth£24,995 GBP

40 data points across 6 retailers

6 retailers£6,654 GBP to £24,995 GBP

A
Cheapest Retailer
-
£6,654 GBP
$8,915 USD
B+
Retailer 2
-
£8,236 GBP
View
B
Retailer 3
-
£12,358 GBP
€15,770 EUR
View
B
Retailer 4
-
£17,411 GBP
$23,329 USD
View
B
Retailer 5
-
£22,080 GBP
$29,584 USD
View
Most Expensive
B
Brilliant Earth
21033449A · Oct 31
£24,995 GBP
$33,490 USD
View
5 more retailers have this diamond
Prices start from £6,654 GBPSave up to £18,341 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
20.07ct Round
£6,654 GBP