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Oval|Lab Grown|IGI

1.23ct E VS1 Oval Lab Grown Diamond

EX • E/VS1 • IGI LG843675245

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG843675245

Diamond specifications and retailer prices

From £146 GBP
$195 USD
As of October 29, 2026
Save £1,258 GBP (90%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £1,404 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.23ct lab-grown oval diamond

This 1.23ct lab-grown oval sits in the classic one-carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG843675245 or 843675245. Listed at 21 retailers as of October 29, 2026, with prices from £146 to £1,404, a £1,258 spread on the same certified stone. Do Amore Diamonds lists it at £1,404. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843675245
Dimensions8.77 × 5.95 × 3.76 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
8.77 mm5.95 mm1.23 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843675245
Side View
Table 62.0%Crown 34.9°Girdle: MED-STKPavilion 41.5°Culet: NoneDepth 63.2%

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: Oct 29
Current: £1,404 GBP|Low: £145 GBP|High: £1,404 GBP|Avg: £468 GBP|+27.2%
Do Amore Diamonds
Retailer 2
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Retailer 21
October 29, 2026
Retailer 18£146 GBP
Retailer 9£164 GBP
Retailer 5£170 GBP
Retailer 3£182 GBP
Retailer 21£182 GBP
Retailer 7£245 GBP
Retailer 15£253 GBP
Retailer 11£261 GBP
Retailer 16£345 GBP
Retailer 2£371 GBP
Retailer 10£423 GBP
Retailer 14£458 GBP
Retailer 17£491 GBP
Retailer 20£564 GBP
Retailer 8£586 GBP
Retailer 4£645 GBP
Retailer 12£775 GBP
Retailer 19£806 GBP
Retailer 6£885 GBP
Retailer 13£962 GBP
Do Amore Diamonds£1,404 GBP

13 data points across 21 retailers

21 retailers£146 GBP to £1,404 GBP

A
Cheapest Retailer
-
£146 GBP
$195 USD
A
Retailer 2
-
£164 GBP
$218 USD
View
Final sale: no returns
A
Retailer 3
-
£170 GBP
$227 USD
View
A
Retailer 4
-
£182 GBP
$242 USD
View
A
Retailer 5
-
£182 GBP
$242 USD
View
B+
Retailer 6
-
£245 GBP
$326 USD
View
A
Retailer 7
-
£253 GBP
View
A
Retailer 8
-
£261 GBP
$348 USD
View
A
Retailer 9
-
£345 GBP
ZAR 7,419 ZAR
View
A
Retailer 10
-
£371 GBP
View
B+
Retailer 11
-
£423 GBP
$563 USD
View
B+
Retailer 12
-
£458 GBP
$610 USD
View
B+
Retailer 13
-
£491 GBP
A$1,005 AUD
View
B
Retailer 14
-
£564 GBP
A$1,155 AUD
View
B+
Retailer 15
-
£586 GBP
$781 USD
View
B+
Retailer 16
-
£645 GBP
$859 USD
View
B
Retailer 17
-
£775 GBP
$1,031 USD
View
B
Retailer 18
-
£806 GBP
View
B
Retailer 19
-
£885 GBP
$1,179 USD
View
B
Retailer 20
-
£962 GBP
$1,281 USD
View
Most Expensive
B
Do Amore Diamonds
27-C568C43C3 · Oct 29
£1,404 GBP
$1,870 USD
View
20 more retailers have this diamond
Prices start from £146 GBPSave up to £1,258 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
1.23ct Oval
£146 GBP