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Oval|Lab Grown|IGI

1.25ct D IF Oval Lab Grown Diamond

EX • D/IF • IGI LG776689594

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG776689594

Diamond specifications and retailer prices

From £198 GBP
$265 USD
As of November 1, 2026
Save £1,256 GBP (86%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £1,454 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 LG776689594 or 776689594. Listed at 23 retailers as of November 1, 2026, with prices from £198 to £1,454, a £1,256 spread on the same certified stone. Brilliant Earth lists it at £1,454. 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 angle34.7°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG776689594
Dimensions8.99 × 6.03 × 3.74 mm
L/W Ratio1.49
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
8.99 mm6.03 mm1.25 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG776689594
Side View
Table 59.0%Crown 34.7°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 62.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: £1,454 GBP|Low: £189 GBP|High: £2,051 GBP|Avg: £539 GBP|-29.1%
Brilliant Earth
Retailer 2
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Retailer 6
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Retailer 11
Retailer 12
Retailer 13
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Retailer 17
November 3, 2026
Retailer 16£198 GBP
Retailer 7£220 GBP
Retailer 6£229 GBP
Retailer 9£245 GBP
Retailer 17£245 GBP
Retailer 14£365 GBP
Retailer 12£403 GBP
Retailer 3£407 GBP
Retailer 10£422 GBP
Retailer 5£432 GBP
Retailer 2£465 GBP
Retailer 13£596 GBP
Retailer 15£752 GBP
Retailer 4£787 GBP
Retailer 8£955 GBP
Retailer 11£982 GBP
Brilliant Earth£1,454 GBP

43 data points across 17 retailers

23 retailers£198 GBP to £1,454 GBP

A
Cheapest Retailer
-
£198 GBP
$265 USD
A
Retailer 2
-
£220 GBP
$295 USD
View
Final sale: no returns
A
Retailer 3
-
£229 GBP
$307 USD
View
Retailer 4
-
£245 GBP
$329 USD
View
Price last confirmed 9 days ago
A
Retailer 5
-
£245 GBP
$329 USD
View
A
Retailer 6
-
£277 GBP
HK$2,900 HKD
View
A
Retailer 7
-
£365 GBP
$490 USD
View
A
Retailer 8
-
£403 GBP
€515 EUR
View
A
Retailer 9
-
£407 GBP
$546 USD
View
A
Retailer 10
-
£422 GBP
ZAR 9,151 ZAR
View
A
Retailer 11
-
£432 GBP
$580 USD
View
A
Retailer 12
-
£465 GBP
View
B+
Retailer 13
-
£596 GBP
A$1,230 AUD
View
B+
Retailer 14
-
£611 GBP
$819 USD
View
B+
Retailer 15
-
£752 GBP
$1,009 USD
View
B+
Retailer 16
-
£787 GBP
$1,056 USD
View
B+
Retailer 17
-
£789 GBP
SGD 1,430 SGD
View
B
Retailer 18
-
£826 GBP
$1,107 USD
View
B
Retailer 19
-
£955 GBP
View
B+
Retailer 20
-
£982 GBP
View
B
Retailer 21
-
£1,045 GBP
$1,401 USD
View
Retailer 22
-
£1,193 GBP
$1,600 USD
View
Price last confirmed 13 days ago
Most Expensive
B
Brilliant Earth
19064303A · Nov 3
£1,454 GBP
$1,950 USD
View
22 more retailers have this diamond
Prices start from £198 GBPSave up to £1,256 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
£198 GBP