Oval|Lab Grown|IGI

1.23ct D VS1 Oval Lab Grown Diamond

ID • D/VS1 • IGI LG802637388

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG802637388

Diamond specifications and retailer prices

From £187 GBP
As of November 3, 2026
Save £1,473 GBP (89%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: £1,800 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 top-tier cut grade and certified by IGI LG802637388 or 802637388. Listed at 26 retailers as of November 3, 2026, with a 789% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG802637388
Dimensions8.50 × 6.07 × 3.79 mm
L/W Ratio1.40
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.50 mm6.07 mm1.23 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG802637388
Side View
Table 59.0%Crown 33.8°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 3
Current: £1,800 GBP|Low: £179 GBP|High: £1,800 GBP|Avg: £611 GBP
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
November 5, 2026
Retailer 4£187 GBP
Retailer 7£208 GBP
Retailer 5£232 GBP
Retailer 8£310 GBP
Retailer 14£352 GBP
Retailer 12£441 GBP
Retailer 2£447 GBP
Retailer 3£451 GBP
Retailer 6£474 GBP
Retailer 16£519 GBP
Retailer 10£628 GBP
Retailer 15£636 GBP
Retailer 17£713 GBP
Retailer 9£1,007 GBP
Retailer 11£1,025 GBP
Retailer 13£1,044 GBP
Do Amore Diamonds£1,800 GBP

44 data points across 17 retailers

26 retailers£187 GBP to £1,659 GBP

Retailer 1
-
£179 GBP
Price last confirmed 35 days ago
A
Retailer 2
-
£187 GBP
View
A
Retailer 3
-
£208 GBP
View
Final sale: no returns
Retailer 4
-
£217 GBP
View
Price last confirmed 41 days ago
Retailer 5
-
£232 GBP
View
Price last confirmed 11 days ago
Retailer 6
-
£232 GBP
View
Price last confirmed 34 days ago
A
Retailer 7
-
£232 GBP
View
A
Retailer 8
-
£284 GBP
View
A
Retailer 9
-
£310 GBP
View
A
Retailer 10
-
£352 GBP
View
A
Retailer 11
-
£441 GBP
View
A
Retailer 12
-
£447 GBP
View
B+
Retailer 13
-
£451 GBP
View
B+
Retailer 14
-
£474 GBP
View
Retailer 15
-
£519 GBP
View
Price last confirmed 18 days ago
B+
Retailer 16
-
£628 GBP
View
Retailer 17
-
£636 GBP
View
Price last confirmed 7 days ago
B
Retailer 18
-
£713 GBP
View
Retailer 19
-
£823 GBP
View
Price last confirmed 29 days ago
B
Retailer 20
-
£946 GBP
View
B
Retailer 21
-
£993 GBP
View
B
Retailer 22
-
£1,007 GBP
View
B
Retailer 23
-
£1,025 GBP
View
B
Retailer 24
-
£1,044 GBP
View
B
Retailer 25
-
£1,659 GBP
View
Most Expensive
Do Amore Diamonds
23-802637388 · Nov 4
£1,800 GBP
$2,430 USD
View
Price under review
25 more retailers have this diamond
Prices start from £187 GBPSave up to £1,473 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
£187 GBP