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Round|Lab Grown|IGI

1.46ct D FL Round Lab Grown Diamond

EX • D/FL • IGI LG842644923

Shape and cutting style on the report: Round brilliant

Certificate IGI LG842644923

Diamond specifications and retailer prices

From £279 GBP
$374 USD
As of November 1, 2026
Save £2,505 GBP (90%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: £2,784 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.46ct lab-grown round diamond

This 1.46ct 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 LG842644923 or 842644923. Listed at 25 retailers as of October 31, 2026, with prices from £279 to £2,784, a £2,505 spread on the same certified stone. Brilliant Earth lists it at £2,784. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.46
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG842644923
Dimensions7.31 × 7.35 × 4.40 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
7.31 mm7.35 mm1.46 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG842644923
Side View
Table 61.0%Crown 34.4°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £2,784 GBP|Low: £279 GBP|High: £2,784 GBP|Avg: £927 GBP
Brilliant Earth
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November 1, 2026
Retailer 23£279 GBP
Retailer 22£324 GBP
Retailer 6£346 GBP
Retailer 8£346 GBP
Retailer 7£349 GBP
Retailer 21£410 GBP
Retailer 15£505 GBP
Retailer 13£534 GBP
Retailer 17£549 GBP
Retailer 5£552 GBP
Retailer 9£570 GBP
Retailer 19£595 GBP
Retailer 2£624 GBP
Retailer 16£753 GBP
Retailer 4£769 GBP
Retailer 3£1,113 GBP
Retailer 14£1,136 GBP
Retailer 10£1,142 GBP
Retailer 11£1,263 GBP
Retailer 24£1,306 GBP
Retailer 20£1,354 GBP
Retailer 25£1,515 GBP
Retailer 18£1,576 GBP
Retailer 12£2,757 GBP
Brilliant Earth£2,784 GBP

21 data points across 25 retailers

25 retailers£279 GBP to £2,784 GBP

A
Cheapest Retailer
-
£279 GBP
$374 USD
A
Retailer 2
-
£324 GBP
$434 USD
View
A
Retailer 3
-
£346 GBP
$464 USD
View
A
Retailer 4
-
£346 GBP
$464 USD
View
A
Retailer 5
-
£349 GBP
$467 USD
View
Final sale: no returns
A
Retailer 6
-
£410 GBP
$550 USD
View
A
Retailer 7
-
£505 GBP
$677 USD
View
A
Retailer 8
-
£534 GBP
€682 EUR
View
A
Retailer 9
-
£549 GBP
$735 USD
View
Retailer 10
-
£552 GBP
View
Price last confirmed 15 days ago
A
Retailer 11
-
£570 GBP
$764 USD
View
A
Retailer 12
-
£595 GBP
ZAR 12,879 ZAR
View
A
Retailer 13
-
£624 GBP
View
B+
Retailer 14
-
£753 GBP
$1,009 USD
View
B+
Retailer 15
-
£769 GBP
$1,030 USD
View
B+
Retailer 16
-
£1,113 GBP
$1,491 USD
View
B+
Retailer 17
-
£1,136 GBP
CA$2,114 CAD
View
B+
Retailer 18
-
£1,142 GBP
$1,530 USD
View
B
Retailer 19
-
£1,263 GBP
$1,692 USD
View
B
Retailer 20
-
£1,306 GBP
$1,749 USD
View
B
Retailer 21
-
£1,354 GBP
View
Retailer 22
-
£1,515 GBP
$2,030 USD
View
Price last confirmed 10 days ago
B
Retailer 23
-
£1,576 GBP
$2,111 USD
View
B
Retailer 24
-
£2,757 GBP
$3,694 USD
View
Most Expensive
B
Brilliant Earth
22181648A · Oct 31
£2,784 GBP
$3,730 USD
View
24 more retailers have this diamond
Prices start from £279 GBPSave up to £2,505 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
1.46ct Round
£279 GBP