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Radiant|Lab Grown|IGI

0.57ct D SI1 Radiant Lab Grown Diamond

VG • D/SI1 • IGI LG691592793

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG691592793

Diamond specifications and retailer prices

From £84 GBP
$113 USD
As of October 30, 2026
Save £882 GBP (91%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £967 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 0.57ct lab-grown radiant diamond

This 0.57ct lab-grown radiant sits in the half to three-quarter carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG691592793 or 691592793. Listed at 9 retailers as of October 29, 2026, with prices from £84 to £967, a £882 spread on the same certified stone. MOH London lists it at £967. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.57
Carat
D
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle42.6°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG691592793
Dimensions5.89 × 4.13 × 2.83 mm
L/W Ratio1.43
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
5.89 mm4.13 mm0.57 ctD / SI1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG691592793
Side View
Table 74.0%Crown 42.6°Girdle: MediumPavilion 35.6°Culet: NoneDepth 68.5%

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: Oct 30
Current: £967 GBP|Low: £81 GBP|High: £972 GBP|Avg: £364 GBP|+0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 6£84 GBP
Retailer 9£98 GBP
Retailer 11£184 GBP
Retailer 3£197 GBP
Retailer 2£198 GBP
Retailer 7£205 GBP
Retailer 10£277 GBP
Retailer 8£370 GBP
Retailer 5£374 GBP
Retailer 4£536 GBP
Retailer 12£724 GBP
MOH London£967 GBP

15 data points across 12 retailers

9 retailers£84 GBP to £967 GBP

A
Cheapest Retailer
-
£84 GBP
$113 USD
A
Retailer 2
-
£98 GBP
$131 USD
View
B+
Retailer 3
-
£198 GBP
$265 USD
View
B+
Retailer 4
-
£205 GBP
$275 USD
View
B+
Retailer 5
-
£277 GBP
$371 USD
View
B
Retailer 6
-
£370 GBP
$496 USD
View
B
Retailer 7
-
£374 GBP
$501 USD
View
C
Retailer 8
-
£724 GBP
$970 USD
View
Most Expensive
B
MOH London
LG691592793 · Oct 29
£967 GBP
View
8 more retailers have this diamond
Prices start from £84 GBPSave up to £882 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
0.57ct Radiant
£84 GBP