CaratHunter
Plans
Round|Natural|GIA

1.53ct M SI1 Round Natural Diamond

EX • M/SI1 • GIA 6532521014

Certificate GIA 6532521014

Diamond specifications and retailer prices

From £2,038 GBP
As of November 6, 2026
Save £739 GBP (27%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £2,888 GBP at Aurelinne · As of September 29, 2026
View at Aurelinne

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 6532521014. Listed at 10 retailers as of November 5, 2026, with a 36% 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
M
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6532521014
Dimensions7.44 × 7.48 × 4.52 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
7.44 mm7.48 mm1.53 ctM / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 6532521014
Side View
Table 59.0%Crown 33.5°GirdlePavilion 41.2°Culet: NoneDepth 60.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £2,478 GBP|Low: £2,038 GBP|High: £3,040 GBP|Avg: £2,506 GBP|-10.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 5£2,038 GBP
Retailer 4£2,099 GBP
Retailer 6£2,214 GBP
Retailer 7£2,382 GBP
Retailer 1£2,478 GBP
Retailer 8£2,503 GBP
Retailer 3£2,644 GBP
Retailer 2£2,777 GBP

45 data points across 8 retailers

10 retailers£2,038 GBP to £2,777 GBP

A
Cheapest Retailer
-
£2,038 GBP
A
Retailer 2
-
£2,099 GBP
View
B+
Retailer 3
-
£2,214 GBP
View
B+
Retailer 4
-
£2,382 GBP
View
B+
Retailer 5
-
£2,478 GBP
View
Retailer 6
-
£2,503 GBP
View
Price last confirmed 36 days ago
Retailer 7
-
£2,600 GBP
View
Price last confirmed 38 days ago
B
Retailer 8
-
£2,644 GBP
View
B
Retailer 9
-
£2,777 GBP
View
Most Expensive
Aurelinne
af31e8bc-a024-4f17-9695-901407e7116f · Sep 29
£2,888 GBP
$3,887 USD
View
Price last confirmed 38 days ago
9 more retailers have this diamond
Prices start from £2,038 GBPSave up to £739 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
£2,038 GBP