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Round|Lab Grown|IGI

1.53ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG768651066

Shape and cutting style on the report: Round brilliant

Certificate IGI LG768651066

Diamond specifications and retailer prices

From £243 GBP
As of November 3, 2026
Save £1,661 GBP (87%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: £2,154 GBP at Queensmith · As of October 27, 2026
View at Queensmith

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 D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG768651066 or 768651066. Listed at 27 retailers as of November 3, 2026, with a 684% 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

1.53
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768651066
Dimensions7.32 × 7.37 × 4.59 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
7.32 mm7.37 mm1.53 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768651066
Side View
Table 58.0%Crown 35.1°Girdle: MediumPavilion 41.2°Culet: NoneDepth 62.5%

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: Nov 3
Current: £533 GBP|Low: £233 GBP|High: £2,941 GBP|Avg: £772 GBP|+2.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
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Retailer 17
November 4, 2026
Retailer 4£243 GBP
Retailer 12£272 GBP
Retailer 8£282 GBP
Retailer 7£301 GBP
Retailer 9£406 GBP
Retailer 2£415 GBP
Retailer 11£482 GBP
Retailer 6£519 GBP
Retailer 13£519 GBP
Retailer 1£533 GBP
Retailer 17£703 GBP
Retailer 15£737 GBP
Retailer 10£1,140 GBP
Retailer 14£1,207 GBP
Retailer 5£1,287 GBP
Retailer 3£1,707 GBP
Retailer 16£1,904 GBP

36 data points across 17 retailers

27 retailers£243 GBP to £1,904 GBP

A
Cheapest Retailer
-
£243 GBP
A
Retailer 2
-
£272 GBP
View
Final sale: no returns
A
Retailer 3
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£282 GBP
View
A
Retailer 4
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£301 GBP
View
Retailer 5
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£301 GBP
View
Price last confirmed 10 days ago
A
Retailer 6
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£332 GBP
View
A
Retailer 7
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£406 GBP
View
A
Retailer 8
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£415 GBP
View
A
Retailer 9
-
£482 GBP
View
A
Retailer 10
-
£519 GBP
View
A
Retailer 11
-
£519 GBP
View
A
Retailer 12
-
£533 GBP
View
A
Retailer 13
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£548 GBP
View
A
Retailer 14
-
£703 GBP
View
B+
Retailer 15
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£731 GBP
View
A
Retailer 16
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£737 GBP
View
B+
Retailer 17
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£964 GBP
View
B+
Retailer 18
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£970 GBP
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B+
Retailer 19
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£1,001 GBP
View
B+
Retailer 20
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£1,025 GBP
View
B+
Retailer 21
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£1,140 GBP
View
B+
Retailer 22
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£1,187 GBP
View
B+
Retailer 23
-
£1,207 GBP
View
Retailer 24
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£1,287 GBP
View
Price last confirmed 27 days ago
Retailer 25
-
£1,707 GBP
View
Price last confirmed 17 days ago
B
Retailer 26
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£1,904 GBP
View
Most Expensive
Queensmith
LG768651066 · Oct 27
£2,154 GBP
View
Price last confirmed 8 days ago
26 more retailers have this diamond
Prices start from £243 GBPSave up to £1,661 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
£243 GBP