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Round|Natural|GIA

1.55ct I VS1 Round Natural Diamond

EX • I/VS1 • GIA 1543856592

Certificate GIA 1543856592

Diamond specifications and retailer prices

From £4,514 GBP
As of November 5, 2026
Save £3,742 GBP (45%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £10,488 GBP at NZ Jewellers · As of September 1, 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 I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 1543856592. Listed at 15 retailers as of November 4, 2026, with a 83% 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
I
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 1543856592
Dimensions7.36 × 7.40 × 4.60 mm
L/W Ratio1.01
Girdle conditionSlightly Thick
Top View
7.36 mm7.40 mm1.55 ctI / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1543856592
Side View
Table 58.0%Crown 35.5°Girdle: MediumPavilion 41.2°Culet: NoneDepth 62.3%

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: £4,514 GBP|Low: £4,514 GBP|High: £8,522 GBP|Avg: £6,360 GBP|-2.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 5, 2026
Retailer 1£4,514 GBP
Retailer 12£4,661 GBP
Retailer 11£4,786 GBP
Retailer 7£5,134 GBP
Retailer 8£5,230 GBP
Retailer 9£5,509 GBP
Retailer 5£5,799 GBP
Retailer 13£5,900 GBP
Retailer 2£6,013 GBP
Retailer 3£6,290 GBP
Retailer 14£6,423 GBP
Retailer 6£6,950 GBP
Retailer 4£7,433 GBP
Retailer 10£8,256 GBP

25 data points across 14 retailers

15 retailers£4,514 GBP to £8,256 GBP

A
Cheapest Retailer
-
£4,514 GBP
A
Retailer 2
-
£4,661 GBP
View
A
Retailer 3
-
£4,786 GBP
View
Final sale: no returns
A
Retailer 4
-
£5,134 GBP
View
A
Retailer 5
-
£5,230 GBP
View
A
Retailer 6
-
£5,509 GBP
View
Retailer 7
-
£5,799 GBP
View
Price last confirmed 14 days ago
A
Retailer 8
-
£5,900 GBP
View
B+
Retailer 9
-
£6,013 GBP
View
B+
Retailer 10
-
£6,178 GBP
View
B+
Retailer 11
-
£6,290 GBP
View
B+
Retailer 12
-
£6,423 GBP
View
B+
Retailer 13
-
£7,433 GBP
View
B+
Retailer 14
-
£8,256 GBP
View
Most Expensive
NZ Jewellers
88a4ea9c-f905-4a6d-8214-acb4216cfa07 · Sep 1
£10,488 GBP
$14,158 USD
View
Price last confirmed 65 days ago
14 more retailers have this diamond
Prices start from £4,514 GBPSave up to £3,742 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
1.55ct Round
£4,514 GBP