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Oval|Lab Grown|IGI

1.25ct D IF Oval Lab Grown Diamond

EX • D/IF • IGI LG782689094

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG782689094

Diamond specifications and retailer prices

From £156 GBP
$209 USD
As of November 1, 2026
Save £1,224 GBP (89%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £1,379 GBP at Brilliant Earth · As of November 3, 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 LG782689094 or 782689094. Listed at 22 retailers as of November 1, 2026, with prices from £156 to £1,379, a £1,224 spread on the same certified stone. Brilliant Earth lists it at £1,379. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG782689094
Dimensions8.57 × 6.08 × 3.75 mm
L/W Ratio1.41
Girdle conditionFaceted
Culet sizePointed
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
8.57 mm6.08 mm1.25 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG782689094
Side View
Table 58.0%Crown 33.8°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 61.7%

Caratlytics Score

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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 1
Current: £1,379 GBP|Low: £156 GBP|High: £1,603 GBP|Avg: £516 GBP|-14.0%
Brilliant Earth
Retailer 2
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Retailer 21
November 3, 2026
Retailer 9£156 GBP
Retailer 20£174 GBP
Retailer 7£180 GBP
Retailer 21£193 GBP
Retailer 12£198 GBP
Retailer 15£199 GBP
Retailer 3£272 GBP
Retailer 18£325 GBP
Retailer 16£333 GBP
Retailer 2£356 GBP
Retailer 8£414 GBP
Retailer 10£432 GBP
Retailer 13£472 GBP
Retailer 19£494 GBP
Retailer 6£596 GBP
Retailer 5£620 GBP
Retailer 11£660 GBP
Retailer 17£774 GBP
Retailer 4£911 GBP
Retailer 14£1,201 GBP
Brilliant Earth£1,379 GBP

29 data points across 21 retailers

22 retailers£156 GBP to £1,379 GBP

A
Cheapest Retailer
-
£156 GBP
$209 USD
A
Retailer 2
-
£174 GBP
$234 USD
View
Final sale: no returns
A
Retailer 3
-
£180 GBP
$242 USD
View
A
Retailer 4
-
£193 GBP
$259 USD
View
Retailer 5
-
£198 GBP
$265 USD
View
Price last confirmed 9 days ago
A
Retailer 6
-
£199 GBP
View
B+
Retailer 7
-
£272 GBP
$365 USD
View
A
Retailer 8
-
£325 GBP
€415 EUR
View
A
Retailer 9
-
£333 GBP
ZAR 7,221 ZAR
View
A
Retailer 10
-
£356 GBP
View
A
Retailer 11
-
£414 GBP
$555 USD
View
A
Retailer 12
-
£432 GBP
$579 USD
View
A
Retailer 13
-
£472 GBP
A$974 AUD
View
B+
Retailer 14
-
£494 GBP
$663 USD
View
B+
Retailer 15
-
£596 GBP
$799 USD
View
B+
Retailer 16
-
£620 GBP
$832 USD
View
Retailer 17
-
£638 GBP
$856 USD
View
Price last confirmed 8 days ago
B+
Retailer 18
-
£660 GBP
$885 USD
View
B+
Retailer 19
-
£774 GBP
View
B
Retailer 20
-
£911 GBP
$1,222 USD
View
Retailer 21
-
£1,201 GBP
$1,610 USD
View
Price last confirmed 13 days ago
Most Expensive
B
Brilliant Earth
18328109A · Nov 3
£1,379 GBP
$1,850 USD
View
21 more retailers have this diamond
Prices start from £156 GBPSave up to £1,224 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
£156 GBP