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Emerald|Lab Grown|IGI

27.25ct F VS1 Emerald Lab Grown Diamond

ID • F/VS1 • IGI LG797603419

Shape and cutting style on the report: Emerald cut

Certificate IGI LG797603419

Diamond specifications and retailer prices

From £15,818 GBP
$21,194 USD
As of October 31, 2026
Save £4,947 GBP (24%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £46,108 GBP at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 27.25ct lab-grown emerald diamond

This 27.25ct lab-grown emerald sits in the over five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG797603419 or 797603419. Listed at 15 retailers as of October 31, 2026, with a 31% 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

27.25
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.6°
Pavilion angle43.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG797603419
Dimensions20.48 × 13.95 × 9.18 mm
L/W Ratio1.47
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
20.48 mm13.95 mm27.25 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG797603419
Side View
Table 67.0%Crown 30.6°Girdle: Slightly ThickPavilion 43.3°Culet: LargeDepth 65.8%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £20,765 GBP|Low: £15,818 GBP|High: £52,026 GBP|Avg: £26,651 GBP|-18.3%
Retailer 1
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
Taylor and Hart
October 31, 2026
Retailer 2£15,818 GBP
Retailer 4£17,414 GBP
Retailer 10£17,460 GBP
Retailer 11£17,599 GBP
Retailer 6£18,095 GBP
Retailer 9£19,954 GBP
Retailer 13£20,010 GBP
Retailer 3£20,253 GBP
Retailer 5£20,253 GBP
Retailer 1£20,765 GBP
Retailer 7£34,345 GBP
Retailer 8£37,924 GBP
Retailer 12£38,817 GBP
Retailer 14£40,891 GBP
Taylor and Hart£46,108 GBP

25 data points across 15 retailers

15 retailers£15,818 GBP to £20,765 GBP

B
Cheapest Retailer
-
£15,818 GBP
$21,194 USD
B
Retailer 2
-
£17,414 GBP
$23,333 USD
View
B
Retailer 3
-
£17,460 GBP
$23,394 USD
View
B
Retailer 4
-
£17,599 GBP
$23,581 USD
View
Retailer 5
-
£18,095 GBP
$24,245 USD
View
Price last confirmed 76 days ago
B
Retailer 6
-
£19,954 GBP
$26,736 USD
View
B
Retailer 7
-
£20,010 GBP
$26,811 USD
View
B
Retailer 8
-
£20,253 GBP
$27,137 USD
View
Retailer 9
-
£20,253 GBP
$27,137 USD
View
Price last confirmed 19 days ago
B
Retailer 10
-
£20,765 GBP
View
Retailer 11
-
£34,345 GBP
€43,827 EUR
View
Price under review
Retailer 12
-
£37,924 GBP
A$78,176 AUD
View
Price under review
Retailer 13
-
£38,817 GBP
$52,010 USD
View
Price under review
Retailer 14
-
£40,891 GBP
$54,790 USD
View
Price under review
Most Expensive
Taylor and Hart
U03G3ND · Oct 31
£46,108 GBP
$61,780 USD
View
Price under review
14 more retailers have this diamond
Prices start from £15,818 GBPSave up to £4,947 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
27.25ct Emerald
£15,818 GBP