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Round|Lab Grown|IGI

1.45ct D VS1 Round Lab Grown Diamond

ID • D/VS1 • IGI LG761554228

Shape and cutting style on the report: Round brilliant

Certificate IGI LG761554228

Diamond specifications and retailer prices

From £164 GBP
$218 USD
As of October 29, 2026
Save £777 GBP (83%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £1,831 GBP at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.45ct lab-grown round diamond

This 1.45ct 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 LG761554228 or 761554228. Listed at 23 retailers as of October 28, 2026, with a 475% 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

1.45
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG761554228
Dimensions7.26 × 7.31 × 4.43 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
7.26 mm7.31 mm1.45 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG761554228
Side View
Table 59.0%Crown 34.2°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.9%

Caratlytics Score

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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: Oct 29
Current: £377 GBP|Low: £158 GBP|High: £825 GBP|Avg: £376 GBP|+6.5%
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
Retailer 16
October 29, 2026
Retailer 16£164 GBP
Retailer 9£183 GBP
Retailer 6£190 GBP
Retailer 4£204 GBP
Retailer 8£204 GBP
Retailer 3£274 GBP
Retailer 11£347 GBP
Retailer 13£349 GBP
Retailer 12£371 GBP
Retailer 1£377 GBP
Retailer 5£392 GBP
Retailer 14£497 GBP
Retailer 2£529 GBP
Retailer 15£533 GBP
Retailer 7£654 GBP
Retailer 10£819 GBP

44 data points across 16 retailers

23 retailers£164 GBP to £941 GBP

A
Cheapest Retailer
-
£164 GBP
$218 USD
A
Retailer 2
-
£183 GBP
$244 USD
View
Final sale: no returns
A
Retailer 3
-
£190 GBP
$253 USD
View
A
Retailer 4
-
£204 GBP
$271 USD
View
A
Retailer 5
-
£204 GBP
$271 USD
View
A
Retailer 6
-
£231 GBP
HK$2,400 HKD
View
B+
Retailer 7
-
£274 GBP
$365 USD
View
A
Retailer 8
-
£347 GBP
View
A
Retailer 9
-
£349 GBP
ZAR 7,518 ZAR
View
A
Retailer 10
-
£371 GBP
€470 EUR
View
A
Retailer 11
-
£377 GBP
View
B+
Retailer 12
-
£392 GBP
$522 USD
View
B+
Retailer 13
-
£406 GBP
$541 USD
View
B+
Retailer 14
-
£497 GBP
A$1,019 AUD
View
B+
Retailer 15
-
£524 GBP
$698 USD
View
B+
Retailer 16
-
£529 GBP
$705 USD
View
Price last confirmed 22 days ago
B+
Retailer 17
-
£533 GBP
$710 USD
View
B
Retailer 18
-
£654 GBP
$871 USD
View
B
Retailer 19
-
£659 GBP
SGD 1,186 SGD
View
B
Retailer 20
-
£694 GBP
$924 USD
View
B
Retailer 21
-
£819 GBP
View
B
Retailer 22
-
£941 GBP
$1,253 USD
View
Most Expensive
B
Queensmith
LG761554228 · Oct 27
£1,831 GBP
View
Price under review
22 more retailers have this diamond
Prices start from £164 GBPSave up to £777 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
1.45ct Round
£164 GBP