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0.73ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG706544907

Shape and cutting style on the report: Round brilliant

Certificate IGI LG706544907

Diamond specifications and retailer prices

From £87 GBP
As of November 1, 2026
Save £811 GBP (90%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £898 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 0.73ct lab-grown round diamond

This 0.73ct lab-grown round sits in the half to three-quarter carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG706544907 or 706544907. Listed at 18 retailers as of November 1, 2026, with prices from £87 to £898, a £811 spread on the same certified stone. MOH London lists it at £898. 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

0.73
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG706544907
Dimensions5.83 × 5.87 × 3.52 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
5.83 mm5.87 mm0.73 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG706544907
Side View
Table 60.0%Crown 33.3°Girdle: MediumPavilion 41.1°Culet: NoneDepth 60.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: £898 GBP|Low: £86 GBP|High: £906 GBP|Avg: £285 GBP|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 6, 2026
Retailer 11£87 GBP
Retailer 7£97 GBP
Retailer 12£101 GBP
Retailer 5£115 GBP
Retailer 13£126 GBP
Retailer 4£211 GBP
Retailer 9£216 GBP
Retailer 2£218 GBP
Retailer 14£285 GBP
Retailer 10£385 GBP
Retailer 8£386 GBP
Retailer 6£389 GBP
Retailer 3£690 GBP
MOH London£898 GBP

45 data points across 14 retailers

18 retailers£87 GBP to £898 GBP

A
Cheapest Retailer
-
£87 GBP
A
Retailer 2
-
£97 GBP
View
Final sale: no returns
Retailer 3
-
£100 GBP
View
Price last confirmed 47 days ago
A
Retailer 4
-
£101 GBP
View
Retailer 5
-
£113 GBP
View
Price last confirmed 48 days ago
Retailer 6
-
£115 GBP
View
Price last confirmed 12 days ago
A
Retailer 7
-
£126 GBP
View
A
Retailer 8
-
£211 GBP
View
A
Retailer 9
-
£216 GBP
View
A
Retailer 10
-
£218 GBP
View
B+
Retailer 11
-
£274 GBP
View
B+
Retailer 12
-
£285 GBP
View
Retailer 13
-
£344 GBP
View
Price last confirmed 46 days ago
B+
Retailer 14
-
£385 GBP
View
B+
Retailer 15
-
£386 GBP
View
B+
Retailer 16
-
£389 GBP
View
B
Retailer 17
-
£690 GBP
View
Most Expensive
B
MOH London
LG706544907 · Nov 5
£898 GBP
View
17 more retailers have this diamond
Prices start from £87 GBPSave up to £811 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
0.73ct Round
£87 GBP