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Radiant|Lab Grown|IGI

1.53ct E SI1 Radiant Lab Grown Diamond

VG • E/SI1 • IGI LG536269156

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

Certificate IGI LG536269156

Diamond specifications and retailer prices

From £198 GBP
As of November 6, 2026
Save £782 GBP (80%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £980 GBP at Reve Diamonds · As of November 6, 2026
View at Reve Diamonds

About this 1.53ct lab-grown radiant diamond

This 1.53ct lab-grown radiant sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG536269156 or 536269156. Listed at 17 retailers as of November 6, 2026, with prices from £198 to £980, a £782 spread on the same certified stone. Reve Diamonds lists it at £980. 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

1.53
Carat
E
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.4°
Pavilion angle32.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG536269156
Dimensions7.91 × 5.62 × 3.92 mm
L/W Ratio1.41
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
7.91 mm5.62 mm1.53 ctE / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG536269156
Side View
Table 58.5%Crown 38.4°Girdle: MediumPavilion 32.5°Culet: NoneDepth 69.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: £705 GBP|Low: £198 GBP|High: £890 GBP|Avg: £443 GBP
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 3£198 GBP
Retailer 6£205 GBP
Retailer 11£220 GBP
Retailer 10£248 GBP
Retailer 4£357 GBP
Retailer 12£371 GBP
Retailer 2£408 GBP
Retailer 5£411 GBP
Retailer 8£572 GBP
Retailer 1£705 GBP
Retailer 9£708 GBP
Retailer 7£876 GBP

29 data points across 12 retailers

17 retailers£198 GBP to £980 GBP

Retailer 1
-
£170 GBP
Price last confirmed 33 days ago
A
Retailer 2
-
£198 GBP
View
Final sale: no returns
A
Retailer 3
-
£205 GBP
View
Retailer 4
-
£217 GBP
View
Price last confirmed 43 days ago
Retailer 5
-
£220 GBP
View
Price last confirmed 35 days ago
Retailer 6
-
£248 GBP
View
Price last confirmed 18 days ago
B+
Retailer 7
-
£357 GBP
View
B+
Retailer 8
-
£371 GBP
View
B+
Retailer 9
-
£408 GBP
View
B+
Retailer 10
-
£411 GBP
View
B
Retailer 11
-
£543 GBP
View
B+
Retailer 12
-
£572 GBP
View
B
Retailer 13
-
£705 GBP
View
B
Retailer 14
-
£708 GBP
View
B
Retailer 15
-
£744 GBP
View
B
Retailer 16
-
£876 GBP
View
Most Expensive
B
Reve Diamonds
48346A74C · Nov 6
£980 GBP
$1,311 USD
View
16 more retailers have this diamond
Prices start from £198 GBPSave up to £782 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 Radiant
£198 GBP