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Round|Lab Grown|IGI

1.48ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG780663706

Shape and cutting style on the report: Round brilliant

Certificate IGI LG780663706

Diamond specifications and retailer prices

From £478 GBP
HK$5,000 HKD
As of October 31, 2026
Save £1,202 GBP (72%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £1,680 GBP at Blue Nile · As of October 31, 2026
View at Blue Nile

About this 1.48ct lab-grown round diamond

This 1.48ct lab-grown round 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 LG780663706 or 780663706. Listed at 14 retailers as of October 31, 2026, with prices from £478 to £1,680, a £1,202 spread on the same certified stone. Blue Nile lists it at £1,680. 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 angle33°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780663706
Dimensions7.33 × 7.39 × 4.46 mm
L/W Ratio1.01
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
7.33 mm7.39 mm1.48 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780663706
Side View
Table 58.0%Crown 33°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 60.6%

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 31
Current: £1,680 GBP|Low: £478 GBP|High: £2,873 GBP|Avg: £1,272 GBP|-21.2%
Blue Nile
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
November 1, 2026
Retailer 15£478 GBP
Retailer 3£521 GBP
Retailer 14£522 GBP
Retailer 9£592 GBP
Retailer 8£603 GBP
Retailer 12£610 GBP
Retailer 11£633 GBP
Retailer 13£851 GBP
Retailer 6£921 GBP
Retailer 4£1,298 GBP
Retailer 2£1,439 GBP
Retailer 5£1,523 GBP
Retailer 10£1,672 GBP
Blue Nile£1,680 GBP
Retailer 7£2,317 GBP

34 data points across 15 retailers

14 retailers£478 GBP to £1,680 GBP

A
Cheapest Retailer
-
£478 GBP
HK$5,000 HKD
A
Retailer 2
-
£521 GBP
$698 USD
View
A
Retailer 3
-
£522 GBP
$700 USD
View
A
Retailer 4
-
£592 GBP
€756 EUR
View
A
Retailer 5
-
£603 GBP
View
A
Retailer 6
-
£610 GBP
$818 USD
View
A
Retailer 7
-
£633 GBP
ZAR 13,695 ZAR
View
B+
Retailer 8
-
£851 GBP
$1,140 USD
View
B+
Retailer 9
-
£921 GBP
A$1,898 AUD
View
B+
Retailer 10
-
£1,298 GBP
$1,739 USD
View
B
Retailer 11
-
£1,439 GBP
View
Retailer 12
-
£1,523 GBP
$2,040 USD
View
Price last confirmed 11 days ago
B
Retailer 13
-
£1,672 GBP
$2,240 USD
View
Most Expensive
B
Blue Nile
30001444 · Oct 31
£1,680 GBP
$2,251 USD
View
13 more retailers have this diamond
Prices start from £478 GBPSave up to £1,202 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 Round
£478 GBP