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Round|Lab Grown|IGI

1.53ct K SI2 Round Lab Grown Diamond

EX • K/SI2 • IGI LG436072690

Shape and cutting style on the report: Round brilliant

Certificate IGI LG436072690

Diamond specifications and retailer prices

From £1,360 GBP
As of November 5, 2026
Save £1,596 GBP (54%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £4,492 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 1.53ct lab-grown round diamond

This 1.53ct lab-grown round sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436072690 or 436072690. Listed at 8 retailers as of November 5, 2026, with a 117% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.53
Carat
K
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.6°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436072690
Dimensions7.54 × 7.56 × 4.43 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
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Top View
7.54 mm7.56 mm1.53 ctK / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG436072690
Side View
Table 57.5%Crown 31.6°GirdlePavilion 40.3°Culet: NoneDepth 58.7%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: £4,492 GBP|Low: £1,305 GBP|High: £4,563 GBP|Avg: £2,411 GBP|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 3£1,360 GBP
Retailer 6£1,479 GBP
Retailer 4£1,577 GBP
Retailer 8£1,577 GBP
Retailer 9£2,088 GBP
Retailer 5£2,473 GBP
Retailer 2£2,652 GBP
Retailer 7£2,956 GBP
Retailer 10£3,528 GBP
MOH London£4,492 GBP

15 data points across 10 retailers

8 retailers£1,360 GBP to £2,956 GBP

B
Cheapest Retailer
-
£1,360 GBP
B
Retailer 2
-
£1,479 GBP
View
B
Retailer 3
-
£1,577 GBP
View
Retailer 4
-
£1,577 GBP
View
Price last confirmed 25 days ago
B
Retailer 5
-
£2,473 GBP
View
C
Retailer 6
-
£2,652 GBP
View
C
Retailer 7
-
£2,956 GBP
View
Most Expensive
MOH London
LG436072690 · Nov 5
£4,492 GBP
View
Price under review
7 more retailers have this diamond
Prices start from £1,360 GBPSave up to £1,596 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.

B
1.53ct Round
£1,360 GBP