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Oval|Lab Grown|IGI

1.25ct D IF Oval Lab Grown Diamond

ID • D/IF • IGI LG815610580

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG815610580

Diamond specifications and retailer prices

From £285 GBP
$382 USD
As of November 1, 2026
16 retailers carry this diamond
Most expensive: £1,193 GBP at Rare Carat · As of October 18, 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 LG815610580 or 815610580. Listed at 16 retailers as of November 1, 2026. 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 angle33.3°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG815610580
Dimensions9.00 × 6.11 × 3.68 mm
L/W Ratio1.47
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
9.00 mm6.11 mm1.25 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG815610580
Side View
Table 59.0%Crown 33.3°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 60.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: £374 GBP|Low: £152 GBP|High: £944 GBP|Avg: £404 GBP|+3.8%
Retailer 1
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
Retailer 17
October 20, 2026
Retailer 3£166 GBP
Retailer 7£186 GBP
Retailer 9£192 GBP
Retailer 4£206 GBP
Retailer 15£206 GBP
Retailer 10£213 GBP
Retailer 13£285 GBP
Retailer 12£351 GBP
Retailer 1£374 GBP
Retailer 6£387 GBP
Retailer 14£507 GBP
Retailer 17£600 GBP
Retailer 2£662 GBP
Retailer 16£664 GBP
Retailer 5£702 GBP
Retailer 11£831 GBP
Retailer 8£944 GBP

29 data points across 17 retailers

16 retailers

Retailer 1
-
£166 GBP
$223 USD
Price last confirmed 15 days ago
Retailer 2
-
£192 GBP
$258 USD
View
Price last confirmed 20 days ago
Retailer 3
-
£206 GBP
$276 USD
View
Price last confirmed 18 days ago
Retailer 4
-
£206 GBP
$276 USD
View
Price last confirmed 15 days ago
A
Retailer 5
-
£285 GBP
$382 USD
View
Retailer 6
-
£351 GBP
ZAR 7,598 ZAR
View
Price last confirmed 16 days ago
Retailer 7
-
£374 GBP
View
Price last confirmed 14 days ago
Retailer 8
-
£387 GBP
$519 USD
View
Price last confirmed 15 days ago
Retailer 9
-
£507 GBP
A$1,046 AUD
View
Price last confirmed 16 days ago
Retailer 10
-
£600 GBP
$804 USD
View
Price last confirmed 15 days ago
Retailer 11
-
£662 GBP
$888 USD
View
Price last confirmed 16 days ago
Retailer 12
-
£664 GBP
$891 USD
View
Price last confirmed 15 days ago
Retailer 13
-
£702 GBP
$941 USD
View
Price last confirmed 16 days ago
Retailer 14
-
£831 GBP
View
Price last confirmed 15 days ago
Retailer 15
-
£944 GBP
$1,266 USD
View
Price last confirmed 16 days ago
Most Expensive
Rare Carat
VK 4713_l_815610580 · Oct 18
£1,193 GBP
$1,600 USD
View
Price last confirmed 15 days ago
15 more retailers have this diamond
Prices start from £285 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
£285 GBP