Round|Natural|GIA

1.55ct J VS1 Round Natural Diamond

EX • J/VS1 • GIA 6555628301

Certificate GIA 6555628301

Diamond specifications and retailer prices

From £4,318 GBP
As of November 6, 2026
Save £2,989 GBP (41%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £8,378 GBP at NZ Jewellers · As of September 20, 2026
View at NZ Jewellers

About this 1.55ct natural round diamond

This 1.55ct natural round sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 6555628301. Listed at 11 retailers as of November 2, 2026, with a 69% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
J
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 6555628301
Dimensions7.40 × 7.44 × 4.60 mm
L/W Ratio1.01
Girdle conditionSlightly Thick
Key to symbols
Crystal, Feather, Needle
Top View
7.40 mm7.44 mm1.55 ctJ / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6555628301
Side View
Table 59.0%Crown 33.5°GirdlePavilion 41.8°CuletDepth 62.0%

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 6
Current: £5,608 GBP|Low: £4,318 GBP|High: £7,431 GBP|Avg: £5,274 GBP|-1.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 2£4,318 GBP
Retailer 3£4,659 GBP
Retailer 6£4,777 GBP
Retailer 7£4,864 GBP
Retailer 4£5,101 GBP
Retailer 1£5,608 GBP
Retailer 5£7,307 GBP

38 data points across 7 retailers

11 retailers£4,318 GBP to £7,307 GBP

B+
Cheapest Retailer
-
£4,318 GBP
B+
Retailer 2
-
£4,659 GBP
View
Retailer 3
-
£4,777 GBP
View
Price last confirmed 13 days ago
Retailer 4
-
£4,864 GBP
View
Price last confirmed 25 days ago
Retailer 5
-
£4,985 GBP
View
Price last confirmed 30 days ago
Retailer 6
-
£5,009 GBP
View
Price last confirmed 45 days ago
Retailer 7
-
£5,087 GBP
View
Price last confirmed 38 days ago
B+
Retailer 8
-
£5,101 GBP
View
B
Retailer 9
-
£5,608 GBP
View
B
Retailer 10
-
£7,307 GBP
View
Most Expensive
NZ Jewellers
d3cd2442-a712-4106-aa3f-5e89f439c99b · Sep 20
£8,378 GBP
$11,276 USD
View
Price last confirmed 47 days ago
10 more retailers have this diamond
Prices start from £4,318 GBPSave up to £2,989 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+
1.55ct Round
£4,318 GBP