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Round|Lab Grown|IGI

20.07ct G VS2 Round Lab Grown Diamond

ID • G/VS2 • IGI LG807699312

Shape and cutting style on the report: Round brilliant

Certificate IGI LG807699312

Diamond specifications and retailer prices

From £13,740 GBP
As of November 2, 2026
Save £13,676 GBP (50%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £39,745 GBP at Taylor and Hart · As of October 18, 2026
View at Taylor and Hart

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 LG807699312 or 807699312. 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

20.07
Carat
G
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG807699312
Dimensions17.49 × 17.44 × 10.59 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
17.49 mm17.44 mm20.07 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG807699312
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 60.7%

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: Nov 2
Current: £16,911 GBP|Low: £8,389 GBP|High: £39,745 GBP|Avg: £18,544 GBP|+86.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Taylor and Hart
November 2, 2026
Retailer 9£8,389 GBP
Retailer 2£13,740 GBP
Retailer 4£16,065 GBP
Retailer 6£16,856 GBP
Retailer 1£16,911 GBP
Retailer 3£18,318 GBP
Retailer 5£20,503 GBP
Retailer 7£23,436 GBP
Retailer 8£27,416 GBP
Taylor and Hart£39,745 GBP

17 data points across 10 retailers

9 retailers£13,740 GBP to £27,416 GBP

B+
Cheapest Retailer
-
£13,740 GBP
B
Retailer 2
-
£16,065 GBP
$21,525 USD
View
B
Retailer 3
-
£16,856 GBP
$22,585 USD
View
B
Retailer 4
-
£16,911 GBP
$22,659 USD
View
B
Retailer 5
-
£18,318 GBP
View
B
Retailer 6
-
£20,503 GBP
$27,472 USD
View
B
Retailer 7
-
£23,436 GBP
$31,402 USD
View
Final sale: no returns
B
Retailer 8
-
£27,416 GBP
€34,985 EUR
View
Most Expensive
Taylor and Hart
RBKMO0X · Oct 18
£39,745 GBP
$53,254 USD
View
Price under review
8 more retailers have this diamond
Prices start from £13,740 GBPSave up to £13,676 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+
20.07ct Round
£13,740 GBP