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Round|Natural|GIA

1.53ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 2526693270

Certificate GIA 2526693270

Diamond specifications and retailer prices

From £3,603 GBP
As of November 5, 2026
Save £3,290 GBP (48%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £6,892 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 1.53ct natural round diamond

This 1.53ct natural round sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2526693270. Listed at 24 retailers as of November 4, 2026, with prices from £3,603 to £6,892, a £3,290 spread on the same certified stone. MOH London lists it at £6,892. 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
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 2526693270
Dimensions7.38 × 7.32 × 4.58 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
7.38 mm7.32 mm1.53 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2526693270
Side View
Table 58.0%Crown 34°Girdle: Sli. ThickPavilion 41.6°Culet: NoneDepth 62.5%

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 5
Current: £6,892 GBP|Low: £2,945 GBP|High: £6,948 GBP|Avg: £4,371 GBP|+11.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
November 6, 2026
Retailer 11£2,945 GBP
Retailer 12£3,076 GBP
Retailer 21£3,603 GBP
Retailer 7£3,706 GBP
Retailer 18£3,708 GBP
Retailer 3£3,753 GBP
Retailer 14£3,897 GBP
Retailer 6£3,922 GBP
Retailer 5£3,971 GBP
Retailer 17£4,197 GBP
Retailer 15£4,307 GBP
Retailer 22£4,326 GBP
Retailer 2£4,426 GBP
Retailer 8£4,449 GBP
Retailer 9£4,744 GBP
Retailer 19£4,744 GBP
Retailer 10£4,806 GBP
Retailer 4£4,901 GBP
Retailer 16£4,991 GBP
Retailer 13£5,724 GBP
Retailer 20£6,797 GBP
MOH London£6,892 GBP

27 data points across 22 retailers

24 retailers£3,603 GBP to £6,892 GBP

Retailer 1
-
£2,945 GBP
Price last confirmed 38 days ago
Retailer 2
-
£3,579 GBP
View
Price last confirmed 102 days ago
A
Retailer 3
-
£3,603 GBP
View
A
Retailer 4
-
£3,706 GBP
View
A
Retailer 5
-
£3,708 GBP
View
A
Retailer 6
-
£3,753 GBP
View
Retailer 7
-
£3,890 GBP
View
Price last confirmed 39 days ago
Retailer 8
-
£3,897 GBP
View
Price last confirmed 38 days ago
A
Retailer 9
-
£3,922 GBP
View
Final sale: no returns
B+
Retailer 10
-
£3,971 GBP
View
B+
Retailer 11
-
£4,197 GBP
View
B+
Retailer 12
-
£4,326 GBP
View
B+
Retailer 13
-
£4,426 GBP
View
B+
Retailer 14
-
£4,449 GBP
View
Retailer 15
-
£4,489 GBP
View
Price last confirmed 38 days ago
B+
Retailer 16
-
£4,744 GBP
View
B+
Retailer 17
-
£4,744 GBP
View
B+
Retailer 18
-
£4,806 GBP
View
B+
Retailer 19
-
£4,901 GBP
View
B+
Retailer 20
-
£4,991 GBP
View
B
Retailer 21
-
£5,724 GBP
View
Retailer 22
-
£6,507 GBP
View
Price last confirmed 39 days ago
B
Retailer 23
-
£6,797 GBP
View
Most Expensive
B
MOH London
F190AC915 · Nov 4
£6,892 GBP
View
23 more retailers have this diamond
Prices start from £3,603 GBPSave up to £3,290 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
£3,603 GBP