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Round|Lab Grown|GIA

1.45ct D I1 Round Lab Grown Diamond

EX • D/I1 • GIA 1449878755

Certificate GIA 1449878755

Diamond specifications and retailer prices

From £421 GBP
$564 USD
As of October 30, 2026
Save £606 GBP (59%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £1,027 GBP at MOH London · As of October 29, 2026
View at MOH London

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 I1 clarity (included), with a top-tier cut grade and certified by GIA 1449878755. Listed at 2 retailers as of October 29, 2026, with prices from £421 to £1,027, a £606 spread on the same certified stone. MOH London lists it at £1,027. 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
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41.2°
OriginLab Grown
Grading LabGIA
CertificateGIA 1449878755
Dimensions7.33 × 7.34 × 4.43 mm
L/W Ratio1.00
Culet sizeNone
Top View
7.33 mm7.34 mm1.45 ctD / I1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1449878755
Side View
Table 60.0%Crown 33.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 60.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: £1,027 GBP|Low: £421 GBP|High: £1,027 GBP|Avg: £626 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 29, 2026
Retailer 2£421 GBP
Retailer 5£552 GBP
Retailer 3£664 GBP
Retailer 4£664 GBP
MOH London£1,027 GBP

2 data points across 5 retailers

2 retailers£421 GBP to £1,027 GBP

A
Cheapest Retailer
-
£421 GBP
$564 USD
Most Expensive
B+
MOH London
1449878755 · Oct 29
£1,027 GBP
View
1 more retailer has this diamond
Prices start from £421 GBPSave up to £606 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
£421 GBP