Round|Natural|GIA

1.55ct I FL Round Natural Diamond

EX • I/FL • GIA 1509828141

Certificate GIA 1509828141

Diamond specifications and retailer prices

From £6,893 GBP
As of November 3, 2026
Save £3,838 GBP (36%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £10,731 GBP at NZ Jewellers · As of November 5, 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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 1509828141. Listed at 5 retailers as of November 3, 2026, with prices from £6,893 to £10,731, a £3,838 spread on the same certified stone. NZ Jewellers lists it at £10,731. 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
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 1509828141
Dimensions7.33 × 7.38 × 4.62 mm
L/W Ratio1.01
Star length45%
Lower girdle80%
Top View
7.33 mm7.38 mm1.55 ctI / FL
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1509828141
Side View
Table 57.0%Crown 35°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.8%

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 3
Current: £10,731 GBP|Low: £5,994 GBP|High: £11,314 GBP|Avg: £8,619 GBP|-5.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 4, 2026
Retailer 5£6,893 GBP
Retailer 4£7,107 GBP
Retailer 3£8,057 GBP
Retailer 2£10,028 GBP
NZ Jewellers£10,731 GBP

25 data points across 5 retailers

5 retailers£6,893 GBP to £10,731 GBP

A
Cheapest Retailer
-
£6,893 GBP
B+
Retailer 2
-
£7,107 GBP
View
Final sale: no returns
B+
Retailer 3
-
£8,057 GBP
View
B+
Retailer 4
-
£10,028 GBP
View
Most Expensive
B
NZ Jewellers
f50cd8c4-190d-40ba-813c-1ac5426c84d5 · Nov 5
£10,731 GBP
$14,443 USD
View
4 more retailers have this diamond
Prices start from £6,893 GBPSave up to £3,838 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
£6,893 GBP