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Round|Natural|GIA

1.54ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 2556441519

Certificate GIA 2556441519

Diamond specifications and retailer prices

From £3,262 GBP
As of November 5, 2026
Save £3,643 GBP (53%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £6,905 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.54ct natural round diamond

This 1.54ct natural round sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2556441519. Listed at 13 retailers as of November 5, 2026, with prices from £3,262 to £6,905, a £3,643 spread on the same certified stone. NZ Jewellers lists it at £6,905. 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

1.54
Carat
K
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2556441519
Dimensions7.41 × 7.46 × 4.52 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Cloud, Needle
Top View
7.41 mm7.46 mm1.54 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2556441519
Side View
Table 59.0%Crown 34.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 60.7%

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 5
Current: £6,905 GBP|Low: £2,941 GBP|High: £6,905 GBP|Avg: £4,191 GBP
NZ Jewellers
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 6, 2026
Retailer 6£2,941 GBP
Retailer 13£3,262 GBP
Retailer 9£3,310 GBP
Retailer 3£3,375 GBP
Retailer 12£3,481 GBP
Retailer 10£3,740 GBP
Retailer 11£3,740 GBP
Retailer 14£3,740 GBP
Retailer 2£3,962 GBP
Retailer 4£4,315 GBP
Retailer 5£4,555 GBP
Retailer 7£4,641 GBP
Retailer 8£6,558 GBP
NZ Jewellers£6,905 GBP

40 data points across 14 retailers

13 retailers£3,262 GBP to £6,905 GBP

B+
Cheapest Retailer
-
£3,262 GBP
B+
Retailer 2
-
£3,310 GBP
View
B+
Retailer 3
-
£3,375 GBP
View
B+
Retailer 4
-
£3,481 GBP
View
B+
Retailer 5
-
£3,740 GBP
View
Retailer 6
-
£3,740 GBP
View
Price last confirmed 8 days ago
B+
Retailer 7
-
£3,740 GBP
View
B+
Retailer 8
-
£3,962 GBP
View
B
Retailer 9
-
£4,315 GBP
View
Retailer 10
-
£4,555 GBP
View
Price last confirmed 22 days ago
B
Retailer 11
-
£4,641 GBP
View
B
Retailer 12
-
£6,558 GBP
View
Most Expensive
B
NZ Jewellers
facdd6fe-b7d4-46f5-b80a-2f79ed57257c · Nov 5
£6,905 GBP
$9,293 USD
View
12 more retailers have this diamond
Prices start from £3,262 GBPSave up to £3,643 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+
1.54ct Round
£3,262 GBP