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Oval|Lab Grown|IGI

1.25ct D IF Oval Lab Grown Diamond

ID • D/IF • IGI LG794604520

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG794604520

Diamond specifications and retailer prices

From £177 GBP
$237 USD
As of November 1, 2026
Save £802 GBP (82%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £1,192 GBP at Rare Carat · As of October 21, 2026
View at Rare Carat

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 LG794604520 or 794604520. Listed at 18 retailers as of November 1, 2026, with a 454% 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

1.25
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG794604520
Dimensions8.58 × 6.25 × 3.72 mm
L/W Ratio1.37
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
8.58 mm6.25 mm1.25 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG794604520
Side View
Table 60.0%Crown 33.9°Girdle: MED-STKPavilion 39.7°Culet: NoneDepth 59.5%

Caratlytics Score

How it works →
A+
Exceptional
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £538 GBP|Low: £170 GBP|High: £890 GBP|Avg: £393 GBP|-0.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 3, 2026
Retailer 12£177 GBP
Retailer 11£205 GBP
Retailer 9£219 GBP
Retailer 2£220 GBP
Retailer 6£226 GBP
Retailer 4£297 GBP
Retailer 7£379 GBP
Retailer 5£415 GBP
Retailer 1£538 GBP
Retailer 10£706 GBP
Retailer 3£708 GBP
Retailer 8£879 GBP

34 data points across 12 retailers

18 retailers£177 GBP to £979 GBP

A+
Cheapest Retailer
-
£177 GBP
$237 USD
A
Retailer 2
-
£198 GBP
$266 USD
View
Final sale: no returns
A
Retailer 3
-
£205 GBP
$275 USD
View
A
Retailer 4
-
£219 GBP
$294 USD
View
Retailer 5
-
£220 GBP
$295 USD
View
Price last confirmed 9 days ago
A
Retailer 6
-
£226 GBP
View
A
Retailer 7
-
£297 GBP
$398 USD
View
A
Retailer 8
-
£379 GBP
ZAR 8,214 ZAR
View
A
Retailer 9
-
£399 GBP
$535 USD
View
A
Retailer 10
-
£415 GBP
View
B+
Retailer 11
-
£538 GBP
A$1,110 AUD
View
B+
Retailer 12
-
£603 GBP
$809 USD
View
B+
Retailer 13
-
£706 GBP
$947 USD
View
B+
Retailer 14
-
£708 GBP
$950 USD
View
B+
Retailer 15
-
£744 GBP
$999 USD
View
B+
Retailer 16
-
£879 GBP
View
B
Retailer 17
-
£979 GBP
$1,313 USD
View
Most Expensive
Rare Carat
1923-123++_l_794604520 · Oct 21
£1,192 GBP
$1,600 USD
View
Price last confirmed 13 days ago
17 more retailers have this diamond
Prices start from £177 GBPSave up to £802 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
£177 GBP