Oval|Lab Grown|IGI

1.20ct E VS1 Oval Lab Grown Diamond

VG • E/VS1 • IGI LG842639356

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG842639356

Diamond specifications and retailer prices

From £136 GBP
$181 USD
As of October 29, 2026
Save £893 GBP (87%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £1,029 GBP at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 1.2ct lab-grown oval diamond

This 1.2ct lab-grown oval sits in the classic one-carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG842639356 or 842639356. Listed at 21 retailers as of October 29, 2026, with prices from £136 to £1,029, a £893 spread on the same certified stone. Do Amore Diamonds lists it at £1,029. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.20
Carat
E
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG842639356
Dimensions8.59 × 5.86 × 3.69 mm
L/W Ratio1.47
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.59 mm5.86 mm1.20 ctE / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG842639356
Side View
Table 60.0%Crown 35.4°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 63.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £1,029 GBP|Low: £133 GBP|High: £1,059 GBP|Avg: £437 GBP|+3.0%
Do Amore Diamonds
Retailer 2
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Retailer 21
October 30, 2026
Retailer 15£136 GBP
Retailer 17£152 GBP
Retailer 7£162 GBP
Retailer 20£169 GBP
Retailer 4£173 GBP
Retailer 9£234 GBP
Retailer 19£241 GBP
Retailer 11£249 GBP
Retailer 8£324 GBP
Retailer 13£342 GBP
Retailer 12£415 GBP
Retailer 14£454 GBP
Retailer 21£468 GBP
Retailer 3£548 GBP
Retailer 10£589 GBP
Retailer 6£615 GBP
Retailer 16£729 GBP
Retailer 2£852 GBP
Retailer 5£896 GBP
Retailer 18£939 GBP
Do Amore Diamonds£1,029 GBP

15 data points across 21 retailers

21 retailers£136 GBP to £1,029 GBP

A
Cheapest Retailer
-
£136 GBP
$181 USD
A
Retailer 2
-
£152 GBP
$203 USD
View
Final sale: no returns
A
Retailer 3
-
£162 GBP
$216 USD
View
A
Retailer 4
-
£169 GBP
$225 USD
View
A
Retailer 5
-
£173 GBP
$231 USD
View
B+
Retailer 6
-
£234 GBP
$312 USD
View
A
Retailer 7
-
£241 GBP
View
A
Retailer 8
-
£249 GBP
$332 USD
View
Retailer 9
-
£324 GBP
ZAR 6,963 ZAR
View
Price last confirmed 7 days ago
A
Retailer 10
-
£342 GBP
View
B+
Retailer 11
-
£415 GBP
$552 USD
View
B+
Retailer 12
-
£454 GBP
$605 USD
View
B+
Retailer 13
-
£468 GBP
A$959 AUD
View
B
Retailer 14
-
£548 GBP
A$1,122 AUD
View
B
Retailer 15
-
£589 GBP
$784 USD
View
B
Retailer 16
-
£615 GBP
$819 USD
View
B
Retailer 17
-
£729 GBP
$970 USD
View
B
Retailer 18
-
£852 GBP
$1,135 USD
View
B
Retailer 19
-
£896 GBP
View
B
Retailer 20
-
£939 GBP
$1,250 USD
View
Most Expensive
B
Do Amore Diamonds
36-2084312 · Oct 30
£1,029 GBP
$1,370 USD
View
20 more retailers have this diamond
Prices start from £136 GBPSave up to £893 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
1.20ct Oval
£136 GBP