Round|Lab Grown|IGI

12.01ct E VS1 Round Lab Grown Diamond

ID • E/VS1 • IGI LG807621859

Shape and cutting style on the report: Round brilliant

Certificate IGI LG807621859

Diamond specifications and retailer prices

From £2,789 GBP
As of November 1, 2026
Save £18,548 GBP (87%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: £21,338 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 12.01ct lab-grown round diamond

This 12.01ct 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 LG807621859 or 807621859. Listed at 25 retailers as of October 31, 2026, with prices from £2,789 to £21,338, a £18,548 spread on the same certified stone. Brilliant Earth lists it at £21,338. 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

12.01
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG807621859
Dimensions14.82 × 14.94 × 8.78 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.82 mm14.94 mm12.01 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG807621859
Side View
Table 59.0%Crown 32.9°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 59.0%

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: £2,789 GBP|Low: £2,788 GBP|High: £13,355 GBP|Avg: £6,002 GBP|-8.5%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
November 1, 2026
Retailer 1£2,789 GBP
Retailer 10£2,994 GBP
Retailer 13£3,138 GBP
Retailer 20£3,353 GBP
Retailer 6£3,473 GBP
Retailer 19£3,474 GBP
Retailer 4£3,591 GBP
Retailer 7£4,098 GBP
Retailer 2£4,165 GBP
Retailer 5£4,340 GBP
Retailer 16£4,542 GBP
Retailer 8£5,039 GBP
Retailer 15£5,138 GBP
Retailer 18£5,375 GBP
Retailer 17£5,615 GBP
Retailer 21£6,530 GBP
Retailer 22£6,545 GBP
Retailer 3£7,356 GBP
Retailer 12£8,485 GBP
Retailer 9£9,646 GBP
Retailer 14£11,868 GBP
Retailer 11£12,325 GBP

25 data points across 22 retailers

25 retailers£2,789 GBP to £21,338 GBP

A
Cheapest Retailer
-
£2,789 GBP
A
Retailer 2
-
£2,994 GBP
$4,012 USD
View
A
Retailer 3
-
£3,138 GBP
$4,204 USD
View
A
Retailer 4
-
£3,353 GBP
$4,493 USD
View
Final sale: no returns
A
Retailer 5
-
£3,473 GBP
$4,653 USD
View
A
Retailer 6
-
£3,474 GBP
$4,655 USD
View
A
Retailer 7
-
£3,591 GBP
$4,812 USD
View
Retailer 8
-
£3,747 GBP
$5,021 USD
View
Price last confirmed 19 days ago
A
Retailer 9
-
£4,098 GBP
HK$42,900 HKD
View
A
Retailer 10
-
£4,165 GBP
$5,581 USD
View
A
Retailer 11
-
£4,340 GBP
$5,815 USD
View
A
Retailer 12
-
£4,542 GBP
View
B+
Retailer 13
-
£5,039 GBP
$6,752 USD
View
Retailer 14
-
£5,138 GBP
$6,885 USD
View
Price last confirmed 14 days ago
B+
Retailer 15
-
£5,375 GBP
ZAR 116,358 ZAR
View
B+
Retailer 16
-
£5,615 GBP
€7,165 EUR
View
B+
Retailer 17
-
£6,530 GBP
$8,749 USD
View
Retailer 18
-
£6,545 GBP
A$13,492 AUD
View
Price last confirmed 9 days ago
B+
Retailer 19
-
£7,356 GBP
$9,856 USD
View
B
Retailer 20
-
£8,388 GBP
$11,239 USD
View
B+
Retailer 21
-
£8,485 GBP
A$17,490 AUD
View
B
Retailer 22
-
£9,646 GBP
$12,924 USD
View
B
Retailer 23
-
£11,868 GBP
SGD 21,489 SGD
View
B
Retailer 24
-
£12,325 GBP
$16,514 USD
View
Most Expensive
B
Brilliant Earth
20067098A · Oct 31
£21,338 GBP
$28,590 USD
View
24 more retailers have this diamond
Prices start from £2,789 GBPSave up to £18,548 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
12.01ct Round
£2,789 GBP