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Round|Lab Grown|IGI

12.23ct E VS1 Round Lab Grown Diamond

ID • E/VS1 • IGI LG797690693

Shape and cutting style on the report: Round brilliant

Certificate IGI LG797690693

Diamond specifications and retailer prices

From £3,174 GBP
As of November 1, 2026
Save £18,059 GBP (85%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £21,233 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 12.23ct lab-grown round diamond

This 12.23ct lab-grown round sits in the over five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG797690693 or 797690693. Listed at 17 retailers as of October 31, 2026, with prices from £3,174 to £21,233, a £18,059 spread on the same certified stone. Do Amore Diamonds lists it at £21,233. 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

12.23
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG797690693
Dimensions14.68 × 14.63 × 9.17 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
14.68 mm14.63 mm12.23 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG797690693
Side View
Table 58.0%Crown 35.7°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.5%

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: £21,233 GBP|Low: £3,174 GBP|High: £24,875 GBP|Avg: £6,930 GBP|-14.6%
Do Amore Diamonds
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
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Retailer 17
November 1, 2026
Retailer 10£3,174 GBP
Retailer 16£3,235 GBP
Retailer 4£3,456 GBP
Retailer 13£3,580 GBP
Retailer 15£3,620 GBP
Retailer 7£3,691 GBP
Retailer 17£4,659 GBP
Retailer 14£4,938 GBP
Retailer 6£5,097 GBP
Retailer 12£5,111 GBP
Retailer 5£5,130 GBP
Retailer 9£5,891 GBP
Retailer 3£6,710 GBP
Retailer 11£8,949 GBP
Retailer 2£9,856 GBP
Retailer 8£14,125 GBP
Do Amore Diamonds£21,233 GBP

39 data points across 17 retailers

17 retailers£3,174 GBP to £21,233 GBP

A
Cheapest Retailer
-
£3,174 GBP
A
Retailer 2
-
£3,235 GBP
$4,334 USD
View
A
Retailer 3
-
£3,456 GBP
$4,631 USD
View
Final sale: no returns
A
Retailer 4
-
£3,580 GBP
$4,797 USD
View
A
Retailer 5
-
£3,620 GBP
$4,850 USD
View
A
Retailer 6
-
£3,691 GBP
$4,946 USD
View
B+
Retailer 7
-
£4,659 GBP
$6,243 USD
View
B+
Retailer 8
-
£4,938 GBP
$6,617 USD
View
Retailer 9
-
£5,097 GBP
$6,830 USD
View
Price last confirmed 14 days ago
B+
Retailer 10
-
£5,111 GBP
View
B+
Retailer 11
-
£5,130 GBP
$6,874 USD
View
B+
Retailer 12
-
£5,891 GBP
$7,893 USD
View
B+
Retailer 13
-
£6,710 GBP
$8,990 USD
View
B+
Retailer 14
-
£8,949 GBP
A$18,447 AUD
View
B
Retailer 15
-
£9,856 GBP
$13,206 USD
View
B
Retailer 16
-
£14,125 GBP
$18,926 USD
View
Most Expensive
B
Do Amore Diamonds
27-1CF2489ED · Oct 31
£21,233 GBP
$28,450 USD
View
16 more retailers have this diamond
Prices start from £3,174 GBPSave up to £18,059 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
12.23ct Round
£3,174 GBP