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Oval|Lab Grown|IGI

1.23ct D VS1 Oval Lab Grown Diamond

ID • D/VS1 • IGI LG848607083

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG848607083

Diamond specifications and retailer prices

From £143 GBP
As of November 1, 2026
Save £726 GBP (84%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £869 GBP at Reve Diamonds · As of November 1, 2026
View at Reve 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 LG848607083 or 848607083. Listed at 20 retailers as of November 1, 2026, with prices from £143 to £869, a £726 spread on the same certified stone. Reve Diamonds lists it at £869. 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 angle37°
Pavilion angle37.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG848607083
Dimensions8.44 × 5.82 × 3.68 mm
L/W Ratio1.45
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
8.44 mm5.82 mm1.23 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG848607083
Side View
Table 62.0%Crown 37°Girdle: MED-STKPavilion 37.7°Culet: NoneDepth 63.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: £321 GBP|Low: £143 GBP|High: £899 GBP|Avg: £417 GBP|-4.6%
Retailer 1
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Retailer 20
Reve Diamonds
November 5, 2026
Retailer 5£143 GBP
Retailer 7£160 GBP
Retailer 19£166 GBP
Retailer 8£178 GBP
Retailer 13£190 GBP
Retailer 14£236 GBP
Retailer 3£237 GBP
Retailer 17£288 GBP
Retailer 16£307 GBP
Retailer 1£321 GBP
Retailer 4£353 GBP
Retailer 9£360 GBP
Retailer 20£422 GBP
Retailer 15£433 GBP
Retailer 18£571 GBP
Retailer 10£582 GBP
Retailer 6£592 GBP
Retailer 11£611 GBP
Retailer 2£778 GBP
Retailer 12£828 GBP
Reve Diamonds£869 GBP

16 data points across 21 retailers

20 retailers£143 GBP to £869 GBP

A
Cheapest Retailer
-
£143 GBP
A
Retailer 2
-
£166 GBP
View
A
Retailer 3
-
£178 GBP
View
Retailer 4
-
£190 GBP
View
Price last confirmed 11 days ago
A
Retailer 5
-
£236 GBP
View
B+
Retailer 6
-
£237 GBP
View
A
Retailer 7
-
£288 GBP
View
A
Retailer 8
-
£307 GBP
View
A
Retailer 9
-
£321 GBP
View
A
Retailer 10
-
£353 GBP
View
A
Retailer 11
-
£360 GBP
View
A
Retailer 12
-
£422 GBP
View
A
Retailer 13
-
£433 GBP
View
B+
Retailer 14
-
£571 GBP
View
Retailer 15
-
£582 GBP
View
Price last confirmed 8 days ago
B+
Retailer 16
-
£592 GBP
View
B+
Retailer 17
-
£611 GBP
View
B
Retailer 18
-
£778 GBP
View
B
Retailer 19
-
£828 GBP
View
Most Expensive
B
Reve Diamonds
72158A3DD · Nov 1
£869 GBP
$1,173 USD
View
19 more retailers have this diamond
Prices start from £143 GBPSave up to £726 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
£143 GBP