Marquise|Natural|GIA

1.02ct J IF Marquise Natural Diamond

EX • J/IF • GIA 5556323559

Certificate GIA 5556323559

Diamond specifications and retailer prices

From £1,918 GBP
As of November 2, 2026
Save £2,560 GBP (57%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £4,477 GBP at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 1.02ct natural marquise diamond

This 1.02ct natural marquise sits in the classic one-carat band, graded J colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5556323559. Listed at 12 retailers as of November 2, 2026, with prices from £1,918 to £4,477, a £2,560 spread on the same certified stone. NZ Jewellers lists it at £4,477. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.02
Carat
J
Colour
IF
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.86°
Pavilion angle39.39°
OriginNatural
Grading LabGIA
CertificateGIA 5556323559
Dimensions10.11 × 5.28 × 3.25 mm
L/W Ratio1.91
Girdle conditionThick
Top View
10.11 mm5.28 mm1.02 ctJ / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5556323559
Side View
Table 57.0%Crown 36.86°Girdle: ThickPavilion 39.39°Culet: NoneDepth 61.6%

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 2
Current: £4,477 GBP|Low: £1,918 GBP|High: £4,593 GBP|Avg: £2,591 GBP|-2.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 8£1,918 GBP
Retailer 5£1,984 GBP
Retailer 10£2,021 GBP
Retailer 6£2,096 GBP
Retailer 12£2,141 GBP
Retailer 9£2,224 GBP
Retailer 3£2,249 GBP
Retailer 11£2,252 GBP
Retailer 2£2,408 GBP
Retailer 4£2,461 GBP
Retailer 7£3,582 GBP
NZ Jewellers£4,477 GBP

38 data points across 12 retailers

12 retailers£1,918 GBP to £4,477 GBP

A
Cheapest Retailer
-
£1,918 GBP
A
Retailer 2
-
£1,984 GBP
View
A
Retailer 3
-
£2,021 GBP
View
A
Retailer 4
-
£2,096 GBP
View
A
Retailer 5
-
£2,141 GBP
View
A
Retailer 6
-
£2,224 GBP
View
Retailer 7
-
£2,249 GBP
View
Price last confirmed 18 days ago
A
Retailer 8
-
£2,252 GBP
View
B+
Retailer 9
-
£2,408 GBP
View
Retailer 10
-
£2,461 GBP
View
Price last confirmed 31 days ago
B
Retailer 11
-
£3,582 GBP
View
Most Expensive
B
NZ Jewellers
521747a2-0469-4de0-ab37-f41a882ed0ce · Nov 3
£4,477 GBP
$5,993 USD
View
11 more retailers have this diamond
Prices start from £1,918 GBPSave up to £2,560 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
1.02ct Marquise
£1,918 GBP