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Round|Lab Grown|IGI

1.48ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG840633200

Shape and cutting style on the report: Round brilliant

Certificate IGI LG840633200

Diamond specifications and retailer prices

From £231 GBP
$310 USD
As of November 1, 2026
Save £1,756 GBP (88%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £1,987 GBP at Helzberg Diamonds · As of November 1, 2026
View at Helzberg Diamonds

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 LG840633200 or 840633200. Listed at 22 retailers as of November 1, 2026, with prices from £231 to £1,987, a £1,756 spread on the same certified stone. Helzberg Diamonds lists it at £1,987. 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 angle35.8°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840633200
Dimensions7.23 × 7.28 × 4.51 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
7.23 mm7.28 mm1.48 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840633200
Side View
Table 57.0%Crown 35.8°Girdle: MediumPavilion 40.7°Culet: NoneDepth 62.2%

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: Nov 1
Current: £1,987 GBP|Low: £231 GBP|High: £1,987 GBP|Avg: £754 GBP
Helzberg Diamonds
Retailer 2
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November 1, 2026
Retailer 10£231 GBP
Retailer 11£259 GBP
Retailer 5£268 GBP
Retailer 7£287 GBP
Retailer 12£287 GBP
Retailer 16£452 GBP
Retailer 3£457 GBP
Retailer 6£467 GBP
Retailer 13£468 GBP
Retailer 9£478 GBP
Retailer 19£492 GBP
Retailer 2£508 GBP
Retailer 8£771 GBP
Retailer 4£880 GBP
Retailer 14£921 GBP
Retailer 21£925 GBP
Retailer 15£955 GBP
Retailer 20£1,035 GBP
Retailer 18£1,154 GBP
Retailer 22£1,534 GBP
Retailer 17£1,687 GBP
Helzberg Diamonds£1,987 GBP

24 data points across 22 retailers

22 retailers£231 GBP to £1,987 GBP

A
Cheapest Retailer
-
£231 GBP
$310 USD
A
Retailer 2
-
£259 GBP
$347 USD
View
Final sale: no returns
A
Retailer 3
-
£268 GBP
$359 USD
View
A
Retailer 4
-
£287 GBP
$384 USD
View
Retailer 5
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£287 GBP
$384 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
£452 GBP
$605 USD
View
Retailer 7
-
£457 GBP
View
Price last confirmed 15 days ago
A
Retailer 8
-
£467 GBP
$626 USD
View
A
Retailer 9
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£468 GBP
€597 EUR
View
A
Retailer 10
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£478 GBP
$641 USD
View
A
Retailer 11
-
£492 GBP
ZAR 10,653 ZAR
View
A
Retailer 12
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£508 GBP
View
B+
Retailer 13
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£771 GBP
$1,033 USD
View
B+
Retailer 14
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£880 GBP
$1,179 USD
View
B+
Retailer 15
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£921 GBP
$1,234 USD
View
B+
Retailer 16
-
£925 GBP
SGD 1,674 SGD
View
B+
Retailer 17
-
£955 GBP
$1,280 USD
View
B+
Retailer 18
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£1,035 GBP
$1,387 USD
View
B+
Retailer 19
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£1,154 GBP
View
Retailer 20
-
£1,534 GBP
$2,055 USD
View
Price last confirmed 11 days ago
B
Retailer 21
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£1,687 GBP
$2,260 USD
View
Most Expensive
B
Helzberg Diamonds
ZXZOKGMJJIGG · Nov 1
£1,987 GBP
$2,663 USD
View
21 more retailers have this diamond
Prices start from £231 GBPSave up to £1,756 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
£231 GBP