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Oval|Lab Grown|IGI

1.25ct D IF Oval Lab Grown Diamond

ID • D/IF • IGI LG811647552

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG811647552

Diamond specifications and retailer prices

From £462 GBP
$620 USD
As of November 3, 2026
Save £1,976 GBP (81%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £2,438 GBP at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 1.25ct lab-grown oval diamond

This 1.25ct lab-grown oval sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG811647552 or 811647552. Listed at 20 retailers as of November 2, 2026, with prices from £462 to £2,438, a £1,976 spread on the same certified stone. Brilliant Earth lists it at £2,438. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.25
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811647552
Dimensions8.79 × 6.02 × 3.74 mm
L/W Ratio1.46
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
8.79 mm6.02 mm1.25 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811647552
Side View
Table 58.0%Crown 35.7°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 62.1%

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: £2,438 GBP|Low: £462 GBP|High: £2,438 GBP|Avg: £1,168 GBP
Brilliant Earth
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
Retailer 16
November 3, 2026
Retailer 7£462 GBP
Retailer 11£528 GBP
Retailer 14£611 GBP
Retailer 6£685 GBP
Retailer 13£780 GBP
Retailer 2£799 GBP
Retailer 10£884 GBP
Retailer 16£1,130 GBP
Retailer 9£1,165 GBP
Retailer 4£1,215 GBP
Retailer 15£1,250 GBP
Retailer 3£1,489 GBP
Retailer 8£1,622 GBP
Retailer 5£1,733 GBP
Retailer 12£2,225 GBP
Brilliant Earth£2,438 GBP

34 data points across 16 retailers

20 retailers£462 GBP to £2,438 GBP

A
Cheapest Retailer
-
£462 GBP
$620 USD
Final sale: no returns
Retailer 2
-
£512 GBP
$687 USD
View
Price last confirmed 22 days ago
A
Retailer 3
-
£528 GBP
View
B+
Retailer 4
-
£611 GBP
$820 USD
View
B+
Retailer 5
-
£666 GBP
$893 USD
View
B+
Retailer 6
-
£685 GBP
$918 USD
View
B+
Retailer 7
-
£688 GBP
$922 USD
View
B+
Retailer 8
-
£780 GBP
€996 EUR
View
B+
Retailer 9
-
£799 GBP
View
B+
Retailer 10
-
£884 GBP
ZAR 19,155 ZAR
View
B+
Retailer 11
-
£1,130 GBP
A$2,332 AUD
View
B+
Retailer 12
-
£1,165 GBP
$1,563 USD
View
Retailer 13
-
£1,215 GBP
$1,630 USD
View
Price last confirmed 26 days ago
B
Retailer 14
-
£1,250 GBP
A$2,578 AUD
View
B
Retailer 15
-
£1,489 GBP
View
B
Retailer 16
-
£1,622 GBP
SGD 2,939 SGD
View
B
Retailer 17
-
£1,663 GBP
$2,230 USD
View
B
Retailer 18
-
£1,733 GBP
$2,325 USD
View
B
Retailer 19
-
£2,225 GBP
View
Most Expensive
B
Brilliant Earth
21617647A · Nov 2
£2,438 GBP
$3,270 USD
View
19 more retailers have this diamond
Prices start from £462 GBPSave up to £1,976 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
1.25ct Oval
£462 GBP