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Round|Natural|GIA

1.53ct N SI1 Round Natural Diamond

EX • N/SI1 • GIA 1537342296

Certificate GIA 1537342296

Diamond specifications and retailer prices

From £1,999 GBP
As of November 5, 2026
Save £2,249 GBP (53%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £4,248 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 N colour (tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1537342296. Listed at 8 retailers as of November 5, 2026, with prices from £1,999 to £4,248, a £2,249 spread on the same certified stone. NZ Jewellers lists it at £4,248. 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
FluorescenceFaint
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1537342296
Dimensions7.33 × 7.28 × 4.57 mm
L/W Ratio1.01
Star length45%
Culet sizeNone
Key to symbols
Crystal
Top View
7.33 mm7.28 mm1.53 ctN / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1537342296
Side View
Table 58.0%Crown 36°GirdlePavilion 40.8°Culet: NoneDepth 62.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: £4,248 GBP|Low: £1,967 GBP|High: £4,248 GBP|Avg: £2,448 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 8£1,999 GBP
Retailer 4£2,031 GBP
Retailer 6£2,031 GBP
Retailer 7£2,110 GBP
Retailer 3£2,239 GBP
Retailer 5£2,344 GBP
Retailer 2£2,479 GBP
NZ Jewellers£4,248 GBP

30 data points across 8 retailers

8 retailers£1,999 GBP to £4,248 GBP

B+
Cheapest Retailer
-
£1,999 GBP
B+
Retailer 2
-
£2,031 GBP
View
Retailer 3
-
£2,031 GBP
View
Price last confirmed 8 days ago
B+
Retailer 4
-
£2,110 GBP
View
B+
Retailer 5
-
£2,239 GBP
View
B+
Retailer 6
-
£2,344 GBP
View
B
Retailer 7
-
£2,479 GBP
View
Most Expensive
C
NZ Jewellers
2283da55-8ea1-4a7b-b502-4d3baab15858 · Nov 5
£4,248 GBP
$5,717 USD
View
7 more retailers have this diamond
Prices start from £1,999 GBPSave up to £2,249 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.

B+
1.53ct Round
£1,999 GBP