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Round|Lab Grown|IGI

12.20ct E VS1 Round Lab Grown Diamond

ID • E/VS1 • IGI LG797690692

Shape and cutting style on the report: Round brilliant

Certificate IGI LG797690692

Diamond specifications and retailer prices

From £3,167 GBP
As of November 1, 2026
Save £18,021 GBP (85%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £21,188 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 12.2ct lab-grown round diamond

This 12.2ct 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 LG797690692 or 797690692. Listed at 18 retailers as of October 31, 2026, with prices from £3,167 to £21,188, a £18,021 spread on the same certified stone. Do Amore Diamonds lists it at £21,188. 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

12.20
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG797690692
Dimensions14.89 × 14.86 × 9.01 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
14.89 mm14.86 mm12.20 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG797690692
Side View
Table 57.0%Crown 34°Girdle: MediumPavilion 40.5°Culet: NoneDepth 60.6%

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: £21,188 GBP|Low: £3,167 GBP|High: £24,815 GBP|Avg: £6,815 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
Retailer 18
November 1, 2026
Retailer 2£3,167 GBP
Retailer 16£3,227 GBP
Retailer 5£3,448 GBP
Retailer 13£3,572 GBP
Retailer 15£3,609 GBP
Retailer 8£3,683 GBP
Retailer 17£4,648 GBP
Retailer 14£4,927 GBP
Retailer 7£5,094 GBP
Retailer 12£5,099 GBP
Retailer 6£5,118 GBP
Retailer 10£5,864 GBP
Retailer 4£6,103 GBP
Retailer 18£6,693 GBP
Retailer 11£8,928 GBP
Retailer 3£9,833 GBP
Retailer 9£14,091 GBP
Do Amore Diamonds£21,188 GBP

39 data points across 18 retailers

18 retailers£3,167 GBP to £21,188 GBP

A
Cheapest Retailer
-
£3,167 GBP
A
Retailer 2
-
£3,227 GBP
$4,324 USD
View
A
Retailer 3
-
£3,448 GBP
$4,620 USD
View
Final sale: no returns
A
Retailer 4
-
£3,572 GBP
$4,786 USD
View
A
Retailer 5
-
£3,609 GBP
$4,835 USD
View
A
Retailer 6
-
£3,683 GBP
$4,935 USD
View
B+
Retailer 7
-
£4,648 GBP
$6,228 USD
View
B+
Retailer 8
-
£4,927 GBP
$6,602 USD
View
Retailer 9
-
£5,094 GBP
$6,825 USD
View
Price last confirmed 14 days ago
B+
Retailer 10
-
£5,099 GBP
View
B+
Retailer 11
-
£5,118 GBP
$6,857 USD
View
B+
Retailer 12
-
£5,864 GBP
$7,857 USD
View
B+
Retailer 13
-
£6,103 GBP
ZAR 132,105 ZAR
View
B+
Retailer 14
-
£6,693 GBP
$8,968 USD
View
B+
Retailer 15
-
£8,928 GBP
A$18,403 AUD
View
B
Retailer 16
-
£9,833 GBP
$13,175 USD
View
B
Retailer 17
-
£14,091 GBP
$18,880 USD
View
Most Expensive
Do Amore Diamonds
27-19EC4BA4F · Oct 31
£21,188 GBP
$28,390 USD
View
17 more retailers have this diamond
Prices start from £3,167 GBPSave up to £18,021 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
12.20ct Round
£3,167 GBP