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Round|Natural|GIA

1.55ct I IF Round Natural Diamond

EX • I/IF • GIA 2146142276

Certificate GIA 2146142276

Diamond specifications and retailer prices

From £5,549 GBP
As of November 5, 2026
Save £6,488 GBP (54%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £12,036 GBP at NZ Jewellers · As of October 30, 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 2146142276. Listed at 21 retailers as of October 30, 2026, with prices from £5,549 to £12,036, a £6,488 spread on the same certified stone. NZ Jewellers lists it at £12,036. 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
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2146142276
Dimensions7.41 × 7.45 × 4.60 mm
L/W Ratio1.01
Top View
7.41 mm7.45 mm1.55 ctI / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2146142276
Side View
Table 57.0%Crown 34.5°Girdle: MED-MEDPavilion 41.2°Culet: NoneDepth 61.9%

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: £6,608 GBP|Low: £5,358 GBP|High: £10,150 GBP|Avg: £7,200 GBP|-2.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 3£5,549 GBP
Retailer 8£6,449 GBP
Retailer 1£6,608 GBP
Retailer 7£6,642 GBP
Retailer 6£6,648 GBP
Retailer 4£7,570 GBP
Retailer 2£8,780 GBP
Retailer 5£10,083 GBP

37 data points across 8 retailers

21 retailers£5,549 GBP to £12,036 GBP

A
Cheapest Retailer
-
£5,549 GBP
Retailer 2
-
£5,892 GBP
View
Price last confirmed 25 days ago
A
Retailer 3
-
£6,220 GBP
View
A
Retailer 4
-
£6,449 GBP
View
A
Retailer 5
-
£6,590 GBP
View
A
Retailer 6
-
£6,608 GBP
View
A
Retailer 7
-
£6,642 GBP
View
Final sale: no returns
Retailer 8
-
£6,643 GBP
View
Price last confirmed 8 days ago
Retailer 9
-
£6,648 GBP
View
Price last confirmed 14 days ago
B+
Retailer 10
-
£7,195 GBP
View
Retailer 11
-
£7,197 GBP
View
Price last confirmed 56 days ago
Retailer 12
-
£7,197 GBP
View
Price last confirmed 8 days ago
B+
Retailer 13
-
£7,212 GBP
View
Retailer 14
-
£7,307 GBP
View
Price last confirmed 8 days ago
B+
Retailer 15
-
£7,570 GBP
View
Retailer 16
-
£8,304 GBP
View
Price last confirmed 60 days ago
B+
Retailer 17
-
£8,304 GBP
View
B+
Retailer 18
-
£8,780 GBP
View
Retailer 19
-
£10,083 GBP
View
Price last confirmed 8 days ago
Retailer 20
-
£12,036 GBP
View
Price last confirmed 57 days ago
Most Expensive
B
NZ Jewellers
d2366f08-e6a4-444e-bc5a-3b502dc64fa4 · Oct 30
£12,036 GBP
$16,200 USD
View
20 more retailers have this diamond
Prices start from £5,549 GBPSave up to £6,488 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
£5,549 GBP