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Round|Lab Grown|IGI

20.00ct G VS2 Round Lab Grown Diamond

ID • G/VS2 • IGI LG797637410

Shape and cutting style on the report: Round brilliant

Certificate IGI LG797637410

Diamond specifications and retailer prices

From £4,084 GBP
As of November 1, 2026
Save £20,552 GBP (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £24,636 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 20ct lab-grown round diamond

This 20ct 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 LG797637410 or 797637410. Listed at 15 retailers as of October 31, 2026, with prices from £4,084 to £24,636, a £20,552 spread on the same certified stone. Brilliant Earth lists it at £24,636. 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

20.00
Carat
G
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle33.9°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG797637410
Dimensions17.36 × 17.28 × 10.73 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
17.36 mm17.28 mm20.00 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG797637410
Side View
Table 59.0%Crown 33.9°Girdle: MED-STKPavilion 41.5°Culet: NoneDepth 61.9%

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: £24,636 GBP|Low: £4,082 GBP|High: £24,755 GBP|Avg: £8,517 GBP|-0.5%
Brilliant Earth
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
November 2, 2026
Retailer 8£4,084 GBP
Retailer 4£4,383 GBP
Retailer 12£4,594 GBP
Retailer 3£5,085 GBP
Retailer 6£5,085 GBP
Retailer 10£5,086 GBP
Retailer 14£5,104 GBP
Retailer 7£6,036 GBP
Retailer 11£6,152 GBP
Retailer 2£6,338 GBP
Retailer 5£8,793 GBP
Retailer 9£10,904 GBP
Retailer 13£16,791 GBP
Retailer 15£17,800 GBP
Brilliant Earth£24,636 GBP

43 data points across 15 retailers

15 retailers£4,084 GBP to £24,636 GBP

A
Cheapest Retailer
-
£4,084 GBP
A
Retailer 2
-
£4,383 GBP
$5,882 USD
View
A
Retailer 3
-
£4,594 GBP
$6,165 USD
View
A
Retailer 4
-
£5,085 GBP
$6,824 USD
View
Retailer 5
-
£5,085 GBP
$6,824 USD
View
Price last confirmed 20 days ago
A
Retailer 6
-
£5,086 GBP
$6,825 USD
View
A
Retailer 7
-
£5,104 GBP
$6,849 USD
View
A
Retailer 8
-
£6,036 GBP
$8,100 USD
View
A
Retailer 9
-
£6,152 GBP
$8,256 USD
View
A
Retailer 10
-
£6,338 GBP
View
B
Retailer 11
-
£8,793 GBP
$11,800 USD
View
B+
Retailer 12
-
£10,904 GBP
€13,936 EUR
View
B
Retailer 13
-
£16,791 GBP
$22,533 USD
View
B
Retailer 14
-
£17,800 GBP
$23,886 USD
View
Most Expensive
B
Brilliant Earth
19674411A · Oct 31
£24,636 GBP
$33,060 USD
View
14 more retailers have this diamond
Prices start from £4,084 GBPSave up to £20,552 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
20.00ct Round
£4,084 GBP