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1.53ct L SI1 Round Natural Diamond

EX • L/SI1 • GIA 3555677015

Certificate GIA 3555677015

Diamond specifications and retailer prices

From £1,705 GBP
As of November 4, 2026
Save £2,397 GBP (58%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £4,102 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 L colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 3555677015. Listed at 7 retailers as of November 4, 2026, with prices from £1,705 to £4,102, a £2,397 spread on the same certified stone. NZ Jewellers lists it at £4,102. 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
L
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 3555677015
Dimensions7.39 × 7.36 × 4.60 mm
L/W Ratio1.00
Key to symbols
Crystal, Cloud, Feather, Needle, Natural
Top View
7.39 mm7.36 mm1.53 ctL / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3555677015
Side View
Table 58.0%Crown 34°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 62.3%

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 4
Current: £4,102 GBP|Low: £1,705 GBP|High: £4,440 GBP|Avg: £2,428 GBP|-7.6%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 4£1,705 GBP
Retailer 6£1,962 GBP
Retailer 5£2,037 GBP
Retailer 2£2,136 GBP
Retailer 7£2,141 GBP
Retailer 3£2,395 GBP
NZ Jewellers£4,102 GBP

37 data points across 7 retailers

7 retailers£1,705 GBP to £4,102 GBP

A
Cheapest Retailer
-
£1,705 GBP
A
Retailer 2
-
£1,962 GBP
View
A
Retailer 3
-
£2,037 GBP
View
A
Retailer 4
-
£2,136 GBP
View
A
Retailer 5
-
£2,141 GBP
View
B+
Retailer 6
-
£2,395 GBP
View
Most Expensive
B
NZ Jewellers
93fe2a3d-85b4-4112-a230-23dd4b7fcb03 · Nov 5
£4,102 GBP
$5,521 USD
View
6 more retailers have this diamond
Prices start from £1,705 GBPSave up to £2,397 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
£1,705 GBP