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Round|Lab Grown|IGI

1.52ct I SI2 Round Lab Grown Diamond

EX • I/SI2 • IGI LG389976855

Shape and cutting style on the report: Round brilliant

Certificate IGI LG389976855

Diamond specifications and retailer prices

From £530 GBP
$710 USD
As of October 29, 2026
Save £332 GBP (39%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £862 GBP at The Diamond Guys · As of October 31, 2026
View at The Diamond Guys

About this 1.52ct lab-grown round diamond

This 1.52ct lab-grown round sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG389976855 or 389976855. Listed at 3 retailers as of October 29, 2026, with prices from £530 to £862, a £332 spread on the same certified stone. The Diamond Guys lists it at £862. 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
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG389976855
Dimensions7.27 × 7.34 × 4.64 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Chemical Vapor Deposition (CVD) laboratory grown diamond is classified as Type IIa
Top View
7.27 mm7.34 mm1.52 ctI / SI2
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG389976855
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 63.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: £581 GBP|Low: £112 GBP|High: £5,786 GBP|Avg: £1,466 GBP|-10.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
The Diamond Guys
September 26, 2026
Retailer 3£286 GBP
Retailer 5£399 GBP
Retailer 2£530 GBP
Retailer 4£560 GBP
Retailer 1£581 GBP
The Diamond Guys£862 GBP
Retailer 6£5,445 GBP

49 data points across 7 retailers

3 retailers£530 GBP to £862 GBP

A
Cheapest Retailer
-
£530 GBP
$710 USD
A
Retailer 2
-
£581 GBP
$778 USD
View
Most Expensive
B+
The Diamond Guys
1980423407 · Oct 31
£862 GBP
$1,155 USD
View
2 more retailers have this diamond
Prices start from £530 GBPSave up to £332 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 Round
£530 GBP