Round|Natural|GIA

1.53ct L SI1 Round Natural Diamond

EX • L/SI1 • GIA 6475302162

Certificate GIA 6475302162

Diamond specifications and retailer prices

From £2,659 GBP
As of November 4, 2026
Save £1,142 GBP (30%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £5,425 GBP at NZ Jewellers · As of October 2, 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 6475302162. Listed at 15 retailers as of November 4, 2026, with a 43% 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
L
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6475302162
Dimensions7.39 × 7.36 × 4.63 mm
L/W Ratio1.00
Top View
7.39 mm7.36 mm1.53 ctL / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6475302162
Side View
Table 56.0%Crown 36.5°Girdle: MediumPavilion 41.2°Culet: NoneDepth 62.9%

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 4
Current: £3,135 GBP|Low: £2,740 GBP|High: £3,827 GBP|Avg: £3,199 GBP|+1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 4£2,740 GBP
Retailer 6£2,767 GBP
Retailer 7£3,087 GBP
Retailer 5£3,114 GBP
Retailer 1£3,135 GBP
Retailer 3£3,512 GBP
Retailer 2£3,801 GBP

43 data points across 7 retailers

15 retailers£2,659 GBP to £3,801 GBP

B+
Cheapest Retailer
-
£2,659 GBP
B
Retailer 2
-
£2,740 GBP
View
B
Retailer 3
-
£2,767 GBP
View
B
Retailer 4
-
£2,961 GBP
View
B
Retailer 5
-
£3,087 GBP
View
Retailer 6
-
£3,114 GBP
View
Price last confirmed 29 days ago
Retailer 7
-
£3,114 GBP
View
Price last confirmed 8 days ago
B
Retailer 8
-
£3,114 GBP
View
Retailer 9
-
£3,114 GBP
View
Price last confirmed 38 days ago
B+
Retailer 10
-
£3,135 GBP
View
B
Retailer 11
-
£3,224 GBP
View
B
Retailer 12
-
£3,512 GBP
View
Retailer 13
-
£3,593 GBP
View
Price last confirmed 28 days ago
B
Retailer 14
-
£3,801 GBP
View
Most Expensive
NZ Jewellers
3b0b0184-876f-4fde-b418-b3dc30625850 · Sep 28
£5,425 GBP
$7,302 USD
View
Price last confirmed 35 days ago
14 more retailers have this diamond
Prices start from £2,659 GBPSave up to £1,142 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
£2,659 GBP