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Round|Natural|GIA

1.53ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 2384322888

Certificate GIA 2384322888

Diamond specifications and retailer prices

From £10,194 GBP
As of November 4, 2026
Save £8,081 GBP (44%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £21,285 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 top-tier cut grade and certified by GIA 2384322888. Listed at 21 retailers as of November 4, 2026, with a 79% 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
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2384322888
Dimensions7.36 × 7.33 × 4.56 mm
L/W Ratio1.00
Top View
7.36 mm7.33 mm1.53 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2384322888
Side View
Table 58.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 62.1%

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: £17,117 GBP|Low: £9,777 GBP|High: £18,544 GBP|Avg: £13,549 GBP|+1.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 5£10,194 GBP
Retailer 7£11,244 GBP
Retailer 2£12,152 GBP
Retailer 6£12,315 GBP
Retailer 8£12,515 GBP
Retailer 3£13,596 GBP
Retailer 1£17,117 GBP
Retailer 4£18,275 GBP

45 data points across 8 retailers

21 retailers£10,194 GBP to £18,275 GBP

B+
Cheapest Retailer
-
£10,194 GBP
B
Retailer 2
-
£10,738 GBP
View
B
Retailer 3
-
£10,786 GBP
View
B
Retailer 4
-
£10,995 GBP
View
B
Retailer 5
-
£11,244 GBP
View
Final sale: no returns
B
Retailer 6
-
£11,494 GBP
View
Retailer 7
-
£11,733 GBP
View
Price last confirmed 8 days ago
B
Retailer 8
-
£12,152 GBP
View
Retailer 9
-
£12,315 GBP
View
Price last confirmed 14 days ago
B
Retailer 10
-
£12,515 GBP
View
B
Retailer 11
-
£12,710 GBP
View
B
Retailer 12
-
£13,158 GBP
View
B
Retailer 13
-
£13,158 GBP
View
B
Retailer 14
-
£13,199 GBP
View
B
Retailer 15
-
£13,596 GBP
View
B
Retailer 16
-
£13,597 GBP
View
B
Retailer 17
-
£13,635 GBP
View
B
Retailer 18
-
£16,621 GBP
View
B
Retailer 19
-
£17,117 GBP
View
B
Retailer 20
-
£18,275 GBP
View
Most Expensive
Diamond Quarter
1.53SI1D238854CFN · Nov 5
£21,285 GBP
View
Price under review
20 more retailers have this diamond
Prices start from £10,194 GBPSave up to £8,081 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
£10,194 GBP