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1.51ct I VS1 Round Natural Diamond

EX • I/VS1 • GIA 1553407340

Certificate GIA 1553407340

Diamond specifications and retailer prices

From £4,322 GBP
As of November 4, 2026
Save £1,656 GBP (28%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £5,978 GBP at Jared · As of November 4, 2026
View at Jared

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 1553407340. Listed at 9 retailers as of November 4, 2026, with prices from £4,322 to £5,978, a £1,656 spread on the same certified stone. Jared lists it at £5,978. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
I
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1553407340
Dimensions7.28 × 7.31 × 4.56 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Feather, Cloud, Pinpoint
Top View
7.28 mm7.31 mm1.51 ctI / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1553407340
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.5%

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 4
Current: £5,978 GBP|Low: £4,322 GBP|High: £6,496 GBP|Avg: £5,405 GBP|-8.0%
Jared
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 3£4,322 GBP
Retailer 8£4,773 GBP
Retailer 4£4,879 GBP
Retailer 7£5,060 GBP
Retailer 2£5,124 GBP
Retailer 9£5,403 GBP
Retailer 5£5,785 GBP
Retailer 6£5,785 GBP
Jared£5,978 GBP

38 data points across 9 retailers

9 retailers£4,322 GBP to £5,978 GBP

A
Cheapest Retailer
-
£4,322 GBP
A
Retailer 2
-
£4,773 GBP
View
Final sale: no returns
A
Retailer 3
-
£4,879 GBP
View
A
Retailer 4
-
£5,060 GBP
View
A
Retailer 5
-
£5,124 GBP
View
B+
Retailer 6
-
£5,403 GBP
View
B+
Retailer 7
-
£5,785 GBP
View
B+
Retailer 8
-
£5,785 GBP
View
Most Expensive
B+
Jared
159830309 · Nov 4
£5,978 GBP
$8,070 USD
View
8 more retailers have this diamond
Prices start from £4,322 GBPSave up to £1,656 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
1.51ct Round
£4,322 GBP