Round|Lab Grown|IGI

1.53ct G IF Round Lab Grown Diamond

ID • G/IF • IGI LG846609902

Shape and cutting style on the report: Round brilliant

Certificate IGI LG846609902

Diamond specifications and retailer prices

From £452 GBP
$606 USD
As of November 1, 2026
Save £470 GBP (51%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £922 GBP at Taylor and Hart · As of November 1, 2026
View at Taylor and Hart

About this 1.53ct lab-grown round diamond

This 1.53ct lab-grown round sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG846609902 or 846609902. Listed at 3 retailers as of November 1, 2026, with prices from £452 to £922, a £470 spread on the same certified stone. Taylor and Hart lists it at £922. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.53
Carat
G
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846609902
Dimensions7.41 × 7.36 × 4.54 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 Faint Blue
Top View
7.41 mm7.36 mm1.53 ctG / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846609902
Side View
Table 59.0%Crown 35.4°Girdle: MED-STKPavilion 41°CuletDepth 61.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: £488 GBP|Low: £452 GBP|High: £922 GBP|Avg: £647 GBP
Retailer 1
Retailer 2
Taylor and Hart
November 2, 2026
Retailer 2£452 GBP
Retailer 1£488 GBP
Taylor and Hart£922 GBP

2 data points across 3 retailers

3 retailers£452 GBP to £922 GBP

A
Cheapest Retailer
-
£452 GBP
$606 USD
A
Retailer 2
-
£488 GBP
View
Most Expensive
B
Taylor and Hart
ABOC8M7 · Nov 1
£922 GBP
$1,237 USD
View
2 more retailers have this diamond
Prices start from £452 GBPSave up to £470 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
1.53ct Round
£452 GBP