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Radiant|Lab Grown|IGI

1.52ct D SI1 Radiant Lab Grown Diamond

ID • D/SI1

Diamond specifications and retailer prices

From £204 GBP
As of October 30, 2026
Save £467 GBP (70%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £672 GBP at The Diamond Guys · As of October 30, 2026
View at The Diamond Guys

About this 1.52ct lab-grown radiant diamond

This 1.52ct lab-grown radiant 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. Listed at 4 retailers as of October 30, 2026, with prices from £204 to £672, a £467 spread on the same certified stone. The Diamond Guys lists it at £672. 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

1.52
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions7.89 × 5.72 × 3.93 mm
L/W Ratio1.38
Top View
7.89 mm5.72 mm1.52 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 67.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 68.7%

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: Oct 30
Current: £508 GBP|Low: £125 GBP|High: £672 GBP|Avg: £362 GBP|+7.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
The Diamond Guys
October 30, 2026
Retailer 4£131 GBP
Retailer 3£152 GBP
Retailer 2£204 GBP
Retailer 5£292 GBP
Retailer 1£508 GBP
Retailer 6£575 GBP
The Diamond Guys£672 GBP

40 data points across 7 retailers

4 retailers£204 GBP to £672 GBP

A
Cheapest Retailer
-
£204 GBP
Retailer 2
-
£292 GBP
$391 USD
View
Price last confirmed 15 days ago
B
Retailer 3
-
£508 GBP
CA$945 CAD
View
Most Expensive
B
The Diamond Guys
1857213619 · Oct 30
£672 GBP
$900 USD
View
3 more retailers have this diamond
Prices start from £204 GBPSave up to £467 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
1.52ct Radiant
£204 GBP