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Round|Lab Grown|IGI

1.53ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG680544783

Shape and cutting style on the report: Round brilliant

Certificate IGI LG680544783

Diamond specifications and retailer prices

From £149 GBP
As of November 5, 2026
Save £715 GBP (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £864 GBP at MOH London · As of November 5, 2026
View at MOH London

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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG680544783 or 680544783. Listed at 16 retailers as of November 5, 2026, with prices from £149 to £864, a £715 spread on the same certified stone. MOH London lists it at £864. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.53
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG680544783
Dimensions7.46 × 7.42 × 4.52 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.46 mm7.42 mm1.53 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG680544783
Side View
Table 58.0%Crown 33.4°Girdle: MediumPavilion 41°Culet: NoneDepth 60.8%

Caratlytics Score

How it works →
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 5
Current: £864 GBP|Low: £143 GBP|High: £877 GBP|Avg: £371 GBP|-0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 8£149 GBP
Retailer 3£173 GBP
Retailer 9£185 GBP
Retailer 10£253 GBP
Retailer 4£287 GBP
Retailer 5£313 GBP
Retailer 2£336 GBP
Retailer 11£377 GBP
Retailer 7£598 GBP
Retailer 6£605 GBP
MOH London£864 GBP

45 data points across 11 retailers

16 retailers£149 GBP to £864 GBP

A
Cheapest Retailer
-
£149 GBP
A
Retailer 2
-
£173 GBP
View
A
Retailer 3
-
£185 GBP
View
Retailer 4
-
£185 GBP
View
Price last confirmed 12 days ago
A
Retailer 5
-
£209 GBP
View
B+
Retailer 6
-
£253 GBP
View
A
Retailer 7
-
£287 GBP
View
A
Retailer 8
-
£313 GBP
View
A
Retailer 9
-
£333 GBP
View
A
Retailer 10
-
£336 GBP
View
A
Retailer 11
-
£377 GBP
View
Retailer 12
-
£587 GBP
View
Price last confirmed 58 days ago
B+
Retailer 13
-
£596 GBP
View
B+
Retailer 14
-
£598 GBP
View
B+
Retailer 15
-
£605 GBP
View
Most Expensive
B
MOH London
LG680544783 · Nov 5
£864 GBP
View
15 more retailers have this diamond
Prices start from £149 GBPSave up to £715 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
£149 GBP