CaratHunter
Plans
Round|Natural|GIA

1.53ct D SI1 Round Natural Diamond

VG • D/SI1 • GIA 6405966890

Certificate GIA 6405966890

Diamond specifications and retailer prices

From £3,956 GBP
As of November 5, 2026
Save £5,744 GBP (59%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £9,699 GBP at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

About this 1.53ct natural round diamond

This 1.53ct natural round sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 6405966890. Listed at 11 retailers as of November 5, 2026, with prices from £3,956 to £9,699, a £5,744 spread on the same certified stone. Diamond Quarter lists it at £9,699. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.53
Carat
D
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceStrong
Crown angle38.5°
Pavilion angle40.2°
OriginNatural
Grading LabGIA
CertificateGIA 6405966890
Dimensions7.21 × 7.14 × 4.62 mm
L/W Ratio1.01
Top View
7.21 mm7.14 mm1.53 ctD / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceStrong
CertificateGIA 6405966890
Side View
Table 57.0%Crown 38.5°Girdle: STK-THKPavilion 40.2°Culet: NoneDepth 64.4%

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: £6,110 GBP|Low: £3,956 GBP|High: £7,691 GBP|Avg: £5,469 GBP|-1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 7£3,956 GBP
Retailer 4£4,862 GBP
Retailer 5£4,980 GBP
Retailer 8£5,058 GBP
Retailer 2£5,435 GBP
Retailer 6£5,520 GBP
Retailer 1£6,110 GBP
Retailer 3£7,357 GBP

33 data points across 8 retailers

11 retailers£3,956 GBP to £9,699 GBP

A
Cheapest Retailer
-
£3,956 GBP
Retailer 2
-
£4,659 GBP
View
Price last confirmed 89 days ago
A
Retailer 3
-
£4,862 GBP
View
A
Retailer 4
-
£4,980 GBP
View
Retailer 5
-
£5,058 GBP
View
Price last confirmed 33 days ago
A
Retailer 6
-
£5,435 GBP
View
Retailer 7
-
£5,520 GBP
View
Price last confirmed 14 days ago
B+
Retailer 8
-
£5,968 GBP
View
B+
Retailer 9
-
£6,110 GBP
View
B+
Retailer 10
-
£7,357 GBP
View
Most Expensive
B
Diamond Quarter
1.53SI1D6490F964N · Nov 5
£9,699 GBP
View
10 more retailers have this diamond
Prices start from £3,956 GBPSave up to £5,744 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
£3,956 GBP