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Oval|Lab Grown|IGI

1.23ct D VS1 Oval Lab Grown Diamond

VG • D/VS1 • IGI LG843675183

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG843675183

Diamond specifications and retailer prices

From £144 GBP
As of November 3, 2026
Save £953 GBP (87%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £1,096 GBP at Do Amore Diamonds · As of November 4, 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 D colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG843675183 or 843675183. Listed at 21 retailers as of November 3, 2026, with prices from £144 to £1,096, a £953 spread on the same certified stone. Do Amore Diamonds lists it at £1,096. 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

1.23
Carat
D
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843675183
Dimensions8.70 × 6.00 × 3.76 mm
L/W Ratio1.45
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.70 mm6.00 mm1.23 ctD / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843675183
Side View
Table 59.0%Crown 34.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.7%

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: Nov 3
Current: £1,096 GBP|Low: £142 GBP|High: £1,378 GBP|Avg: £455 GBP|+1.4%
Do Amore Diamonds
Retailer 2
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November 5, 2026
Retailer 21£144 GBP
Retailer 10£160 GBP
Retailer 6£167 GBP
Retailer 3£178 GBP
Retailer 4£178 GBP
Retailer 8£239 GBP
Retailer 15£261 GBP
Retailer 14£275 GBP
Retailer 18£339 GBP
Retailer 2£359 GBP
Retailer 11£416 GBP
Retailer 16£437 GBP
Retailer 17£480 GBP
Retailer 9£573 GBP
Retailer 20£598 GBP
Retailer 5£631 GBP
Retailer 12£759 GBP
Retailer 13£784 GBP
Retailer 7£869 GBP
Retailer 19£1,035 GBP
Do Amore Diamonds£1,096 GBP

21 data points across 21 retailers

21 retailers£144 GBP to £1,096 GBP

A
Cheapest Retailer
-
£144 GBP
A
Retailer 2
-
£160 GBP
View
Final sale: no returns
A
Retailer 3
-
£167 GBP
View
A
Retailer 4
-
£178 GBP
View
Retailer 5
-
£178 GBP
View
Price last confirmed 11 days ago
B+
Retailer 6
-
£239 GBP
View
A
Retailer 7
-
£261 GBP
View
A
Retailer 8
-
£275 GBP
View
A
Retailer 9
-
£339 GBP
View
A
Retailer 10
-
£359 GBP
View
B+
Retailer 11
-
£416 GBP
View
B+
Retailer 12
-
£437 GBP
View
B+
Retailer 13
-
£480 GBP
View
B
Retailer 14
-
£573 GBP
View
Retailer 15
-
£598 GBP
View
Price last confirmed 7 days ago
B+
Retailer 16
-
£631 GBP
View
B
Retailer 17
-
£759 GBP
View
B
Retailer 18
-
£784 GBP
View
B
Retailer 19
-
£869 GBP
View
B
Retailer 20
-
£1,035 GBP
View
Most Expensive
B
Do Amore Diamonds
36-2095695 · Nov 4
£1,096 GBP
$1,480 USD
View
20 more retailers have this diamond
Prices start from £144 GBPSave up to £953 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
£144 GBP