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Round|Natural|GIA

1.53ct N SI1 Round Natural Diamond

EX • N/SI1 • GIA 7518411407

Certificate GIA 7518411407

Diamond specifications and retailer prices

From £1,551 GBP
As of November 4, 2026
Save £692 GBP (31%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £2,243 GBP at Yorxs · As of November 5, 2026
View at Yorxs

About this 1.53ct natural round diamond

This 1.53ct natural round sits in the one-and-a-half to two carat band, graded N colour (tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7518411407. Listed at 3 retailers as of November 4, 2026, with prices from £1,551 to £2,243, a £692 spread on the same certified stone. Yorxs lists it at £2,243. 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
N
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle35°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 7518411407
Dimensions7.32 × 7.35 × 4.59 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Girdle conditionFaceted
Cert comments
Internal graining is not shown. Pinpoints are not shown.
Key to symbols
Crystal, Feather
Top View
7.32 mm7.35 mm1.53 ctN / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 7518411407
Side View
Table 57.0%Crown 35°Girdle: MED-MEDPavilion 41.2°Culet: NoneDepth 62.6%

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 4
Current: £1,551 GBP|Low: £1,551 GBP|High: £2,376 GBP|Avg: £1,908 GBP|-5.4%
Retailer 1
Retailer 2
Yorxs
November 5, 2026
Retailer 1£1,551 GBP
Retailer 2£1,730 GBP
Yorxs£2,243 GBP

13 data points across 3 retailers

3 retailers£1,551 GBP to £2,243 GBP

A
Cheapest Retailer
-
£1,551 GBP
B+
Retailer 2
-
£1,730 GBP
View
Most Expensive
B
Yorxs
57AD874D3 · Nov 5
£2,243 GBP
€2,875 EUR
View
2 more retailers have this diamond
Prices start from £1,551 GBPSave up to £692 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
£1,551 GBP