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Oval|Lab Grown|IGI

1.48ct D FL Oval Lab Grown Diamond

ID • D/FL • IGI LG816602353

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG816602353

Diamond specifications and retailer prices

From £215 GBP
$286 USD
As of October 26, 2026
Save £857 GBP (80%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £3,492 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.48ct lab-grown oval diamond

This 1.48ct lab-grown oval sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG816602353 or 816602353. Listed at 20 retailers as of October 26, 2026, with a 399% 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

1.48
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816602353
Dimensions9.16 × 6.52 × 3.96 mm
L/W Ratio1.40
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
9.16 mm6.52 mm1.48 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816602353
Side View
Table 59.0%Crown 34.2°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 60.7%

Caratlytics Score

How it works →
A
Excellent
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: Oct 26
Current: £3,492 GBP|Low: £215 GBP|High: £3,492 GBP|Avg: £823 GBP
Brilliant Earth
Retailer 2
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Retailer 21
October 29, 2026
Retailer 4£215 GBP
Retailer 7£240 GBP
Retailer 18£249 GBP
Retailer 11£266 GBP
Retailer 17£266 GBP
Retailer 16£383 GBP
Retailer 21£439 GBP
Retailer 14£451 GBP
Retailer 15£457 GBP
Retailer 20£460 GBP
Retailer 2£468 GBP
Retailer 3£817 GBP
Retailer 5£835 GBP
Retailer 10£855 GBP
Retailer 9£886 GBP
Retailer 8£892 GBP
Retailer 19£984 GBP
Retailer 6£1,041 GBP
Retailer 13£1,072 GBP
Retailer 12£2,621 GBP
Brilliant Earth£3,492 GBP

32 data points across 21 retailers

20 retailers£215 GBP to £1,072 GBP

A
Cheapest Retailer
-
£215 GBP
$286 USD
A
Retailer 2
-
£240 GBP
$319 USD
View
Final sale: no returns
A
Retailer 3
-
£249 GBP
$331 USD
View
A
Retailer 4
-
£266 GBP
$354 USD
View
A
Retailer 5
-
£266 GBP
$354 USD
View
A
Retailer 6
-
£383 GBP
$510 USD
View
A
Retailer 7
-
£439 GBP
$584 USD
View
A
Retailer 8
-
£457 GBP
ZAR 9,833 ZAR
View
A
Retailer 9
-
£460 GBP
$613 USD
View
A
Retailer 10
-
£468 GBP
View
B+
Retailer 11
-
£817 GBP
$1,088 USD
View
B+
Retailer 12
-
£835 GBP
$1,112 USD
View
B+
Retailer 13
-
£855 GBP
$1,139 USD
View
B+
Retailer 14
-
£886 GBP
SGD 1,595 SGD
View
B+
Retailer 15
-
£892 GBP
$1,188 USD
View
B+
Retailer 16
-
£984 GBP
$1,311 USD
View
B+
Retailer 17
-
£1,041 GBP
View
B+
Retailer 18
-
£1,072 GBP
View
B
Retailer 19
-
£2,621 GBP
$3,490 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
21422147A · Oct 29
£3,492 GBP
$4,650 USD
View
Price under review
19 more retailers have this diamond
Prices start from £215 GBPSave up to £857 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
1.48ct Oval
£215 GBP