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Round|Natural|GIA

1.53ct M SI1 Round Natural Diamond

EX • M/SI1 • GIA 2436000565

Certificate GIA 2436000565

Diamond specifications and retailer prices

From £1,660 GBP
As of November 6, 2026
Save £2,580 GBP (61%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £4,240 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.53ct natural round diamond

This 1.53ct natural round sits in the one-and-a-half to two carat band, graded M colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2436000565. Listed at 10 retailers as of November 5, 2026, with prices from £1,660 to £4,240, a £2,580 spread on the same certified stone. NZ Jewellers lists it at £4,240. 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
M
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2436000565
Dimensions7.35 × 4.56 × 7.39 mm
L/W Ratio1.61
Top View
7.35 mm4.56 mm1.53 ctM / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2436000565
Side View
Table 58.0%Crown 34.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.9%

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: Nov 6
Current: £4,240 GBP|Low: £1,660 GBP|High: £4,563 GBP|Avg: £2,396 GBP|-7.1%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 5, 2026
Retailer 11£1,660 GBP
Retailer 9£1,824 GBP
Retailer 10£1,837 GBP
Retailer 8£1,870 GBP
Retailer 7£1,922 GBP
Retailer 13£1,931 GBP
Retailer 12£2,120 GBP
Retailer 5£2,132 GBP
Retailer 4£2,168 GBP
Retailer 2£2,355 GBP
Retailer 6£2,475 GBP
Retailer 3£3,521 GBP
NZ Jewellers£4,240 GBP

27 data points across 13 retailers

10 retailers£1,660 GBP to £4,240 GBP

A
Cheapest Retailer
-
£1,660 GBP
A
Retailer 2
-
£1,824 GBP
View
A
Retailer 3
-
£1,837 GBP
View
A
Retailer 4
-
£1,870 GBP
View
A
Retailer 5
-
£1,922 GBP
View
Retailer 6
-
£1,931 GBP
View
Price last confirmed 8 days ago
B+
Retailer 7
-
£2,120 GBP
View
B+
Retailer 8
-
£2,355 GBP
View
B+
Retailer 9
-
£2,475 GBP
View
Most Expensive
B
NZ Jewellers
2b50d665-6148-4823-b455-a84d885bc131 · Nov 5
£4,240 GBP
$5,707 USD
View
9 more retailers have this diamond
Prices start from £1,660 GBPSave up to £2,580 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 Round
£1,660 GBP