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Round|Lab Grown|IGI

1.48ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG848624678

Shape and cutting style on the report: Round brilliant

Certificate IGI LG848624678

Diamond specifications and retailer prices

From £353 GBP
$473 USD
As of October 30, 2026
Save £1,244 GBP (78%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £1,597 GBP at Riddles Jewelry · As of October 31, 2026
View at Riddles Jewelry

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 LG848624678 or 848624678. Listed at 16 retailers as of October 30, 2026, with prices from £353 to £1,597, a £1,244 spread on the same certified stone. Riddles Jewelry lists it at £1,597. 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 angle33.5°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG848624678
Dimensions7.43 × 7.36 × 4.47 mm
L/W Ratio1.01
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
7.43 mm7.36 mm1.48 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG848624678
Side View
Table 57.0%Crown 33.5°Girdle: MediumPavilion 40.9°Culet: NoneDepth 60.5%

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 30
Current: £556 GBP|Low: £353 GBP|High: £1,597 GBP|Avg: £849 GBP|+20.2%
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
Riddles Jewelry
October 31, 2026
Retailer 4£353 GBP
Retailer 12£541 GBP
Retailer 1£556 GBP
Retailer 7£556 GBP
Retailer 10£558 GBP
Retailer 9£578 GBP
Retailer 14£603 GBP
Retailer 8£633 GBP
Retailer 5£763 GBP
Retailer 3£789 GBP
Retailer 11£1,151 GBP
Retailer 6£1,280 GBP
Retailer 15£1,317 GBP
Retailer 13£1,377 GBP
Retailer 2£1,537 GBP
Riddles Jewelry£1,597 GBP

6 data points across 16 retailers

16 retailers£353 GBP to £1,597 GBP

A
Cheapest Retailer
-
£353 GBP
$473 USD
Final sale: no returns
A
Retailer 2
-
£541 GBP
€690 EUR
View
A
Retailer 3
-
£556 GBP
$745 USD
View
A
Retailer 4
-
£556 GBP
$745 USD
View
A
Retailer 5
-
£558 GBP
View
A
Retailer 6
-
£578 GBP
$775 USD
View
A
Retailer 7
-
£603 GBP
ZAR 13,043 ZAR
View
A
Retailer 8
-
£633 GBP
View
B+
Retailer 9
-
£763 GBP
$1,022 USD
View
B+
Retailer 10
-
£789 GBP
$1,057 USD
View
B+
Retailer 11
-
£1,151 GBP
CA$2,142 CAD
View
B
Retailer 12
-
£1,280 GBP
$1,715 USD
View
B
Retailer 13
-
£1,317 GBP
$1,764 USD
View
B
Retailer 14
-
£1,377 GBP
View
B
Retailer 15
-
£1,537 GBP
$2,060 USD
View
Most Expensive
B
Riddles Jewelry
1996900133 · Oct 31
£1,597 GBP
$2,140 USD
View
15 more retailers have this diamond
Prices start from £353 GBPSave up to £1,244 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
£353 GBP