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Round|Lab Grown|IGI

21.16ct G VS1 Round Lab Grown Diamond

EX • G/VS1 • IGI LG787660861

Shape and cutting style on the report: Round brilliant

Certificate IGI LG787660861

Diamond specifications and retailer prices

From £32,556 GBP
€41,544 EUR
As of October 31, 2026
3 retailers carry this diamond
Most expensive: £32,556 GBP at Yorxs
View at Yorxs

About this 21.16ct lab-grown round diamond

This 21.16ct 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 LG787660861 or 787660861. Listed at 3 retailers as of October 31, 2026. 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

21.16
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.3°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787660861
Dimensions18.04 × 18.00 × 10.61 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
18.04 mm18.00 mm21.16 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787660861
Side View
Table 60.0%Crown 32.3°Girdle: MediumPavilion 40.2°Culet: NoneDepth 58.9%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 31
Current: £10,241 GBP|Low: £10,241 GBP|High: £32,649 GBP|Avg: £15,937 GBP
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Yorxs
October 31, 2026
Retailer 1£10,241 GBP
Retailer 2£10,599 GBP
Retailer 4£12,553 GBP
Retailer 3£14,508 GBP
Yorxs£32,556 GBP

22 data points across 5 retailers

3 retailers

Retailer 1
-
£10,241 GBP
$13,722 USD
Price last confirmed 8 days ago
Retailer 2
-
£10,599 GBP
$14,201 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Yorxs
588203695 · Oct 31
£32,556 GBP
€41,544 EUR
View
2 more retailers have this diamond

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
21.16ct Round
£32,556 GBP