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Marquise|Lab Grown|IGI

1.45ct D VS1 Marquise Lab Grown Diamond

ID • D/VS1 • IGI LG751511112

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG751511112

Diamond specifications and retailer prices

From £221 GBP
$294 USD
As of October 27, 2026
Save £899 GBP (80%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £1,964 GBP at Do Amore Diamonds · As of October 28, 2026
View at Do Amore Diamonds

About this 1.45ct lab-grown marquise diamond

This 1.45ct lab-grown marquise 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 LG751511112 or 751511112. Listed at 17 retailers as of October 27, 2026, with a 406% 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 angle34.3°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG751511112
Dimensions12.20 × 5.89 × 3.59 mm
L/W Ratio2.07
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.20 mm5.89 mm1.45 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG751511112
Side View
Table 60.0%Crown 34.3°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.0%

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 27
Current: £1,964 GBP|Low: £176 GBP|High: £1,964 GBP|Avg: £763 GBP
Do Amore Diamonds
Retailer 2
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Retailer 4
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Retailer 7
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Retailer 11
Retailer 12
Retailer 13
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Retailer 18
October 29, 2026
Retailer 16£221 GBP
Retailer 6£248 GBP
Retailer 4£257 GBP
Retailer 5£274 GBP
Retailer 17£274 GBP
Retailer 8£388 GBP
Retailer 12£391 GBP
Retailer 3£449 GBP
Retailer 11£537 GBP
Retailer 2£735 GBP
Retailer 14£771 GBP
Retailer 15£842 GBP
Retailer 18£973 GBP
Retailer 7£1,094 GBP
Retailer 9£1,120 GBP
Retailer 13£1,220 GBP
Retailer 10£1,565 GBP
Do Amore Diamonds£1,964 GBP

43 data points across 18 retailers

17 retailers£221 GBP to £1,120 GBP

A
Cheapest Retailer
-
£221 GBP
$294 USD
A
Retailer 2
-
£248 GBP
$329 USD
View
Final sale: no returns
A
Retailer 3
-
£257 GBP
$341 USD
View
A
Retailer 4
-
£274 GBP
$364 USD
View
A
Retailer 5
-
£274 GBP
$364 USD
View
A
Retailer 6
-
£388 GBP
$515 USD
View
A
Retailer 7
-
£391 GBP
$520 USD
View
B+
Retailer 8
-
£449 GBP
$597 USD
View
B+
Retailer 9
-
£537 GBP
View
B+
Retailer 10
-
£735 GBP
A$1,502 AUD
View
B
Retailer 11
-
£771 GBP
$1,025 USD
View
B
Retailer 12
-
£842 GBP
$1,119 USD
View
B
Retailer 13
-
£973 GBP
$1,293 USD
View
B
Retailer 14
-
£1,094 GBP
$1,454 USD
View
B
Retailer 15
-
£1,120 GBP
$1,489 USD
View
B
Retailer 16
-
£1,220 GBP
View
Price last confirmed 10 days ago
Most Expensive
B
Do Amore Diamonds
27-E815C5346 · Oct 28
£1,964 GBP
$2,610 USD
View
Price under review
16 more retailers have this diamond
Prices start from £221 GBPSave up to £899 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 Marquise
£221 GBP