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Round|Lab Grown|IGI

1.46ct D VS1 Round Lab Grown Diamond

ID • D/VS1 • IGI LG818644843

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818644843

Diamond specifications and retailer prices

From £164 GBP
$220 USD
As of November 1, 2026
Save £836 GBP (84%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £1,820 GBP at Queensmith · As of October 27, 2026
View at Queensmith

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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG818644843 or 818644843. Listed at 24 retailers as of October 31, 2026, with a 509% 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

1.46
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818644843
Dimensions7.26 × 7.29 × 4.44 mm
L/W Ratio1.00
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
7.26 mm7.29 mm1.46 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818644843
Side View
Table 59.0%Crown 34.8°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.0%

Caratlytics Score

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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: £351 GBP|Low: £157 GBP|High: £1,000 GBP|Avg: £392 GBP|+1.7%
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
November 1, 2026
Retailer 13£164 GBP
Retailer 4£204 GBP
Retailer 5£229 GBP
Retailer 3£275 GBP
Retailer 9£337 GBP
Retailer 6£345 GBP
Retailer 1£351 GBP
Retailer 7£377 GBP
Retailer 12£497 GBP
Retailer 2£526 GBP
Retailer 10£534 GBP
Retailer 11£820 GBP
Retailer 8£1,000 GBP

36 data points across 13 retailers

24 retailers£164 GBP to £1,000 GBP

A
Cheapest Retailer
-
£164 GBP
$220 USD
A
Retailer 2
-
£184 GBP
$246 USD
View
Final sale: no returns
A
Retailer 3
-
£190 GBP
$255 USD
View
Retailer 4
-
£204 GBP
$273 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
£204 GBP
$273 USD
View
A
Retailer 6
-
£229 GBP
HK$2,400 HKD
View
B+
Retailer 7
-
£275 GBP
$368 USD
View
A
Retailer 8
-
£337 GBP
€430 EUR
View
A
Retailer 9
-
£345 GBP
View
A
Retailer 10
-
£351 GBP
ZAR 7,601 ZAR
View
A
Retailer 11
-
£377 GBP
View
B+
Retailer 12
-
£391 GBP
$524 USD
View
B+
Retailer 13
-
£408 GBP
$547 USD
View
B+
Retailer 14
-
£497 GBP
A$1,025 AUD
View
Retailer 15
-
£526 GBP
$705 USD
View
Price last confirmed 26 days ago
B+
Retailer 16
-
£534 GBP
$715 USD
View
B
Retailer 17
-
£654 GBP
$876 USD
View
B
Retailer 18
-
£659 GBP
SGD 1,194 SGD
View
B
Retailer 19
-
£693 GBP
$929 USD
View
B
Retailer 20
-
£699 GBP
$937 USD
View
B
Retailer 21
-
£820 GBP
View
B
Retailer 22
-
£938 GBP
$1,257 USD
View
B
Retailer 23
-
£1,000 GBP
$1,340 USD
View
Most Expensive
Queensmith
LG818644843 · Oct 27
£1,820 GBP
View
Price under review
23 more retailers have this diamond
Prices start from £164 GBPSave up to £836 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
£164 GBP