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Marquise|Natural|GIA

1.51ct J VS1 Marquise Natural Diamond

EX • J/VS1 • GIA 5556598490

Certificate GIA 5556598490

Diamond specifications and retailer prices

From £5,548 GBP
$7,433 USD
As of October 31, 2026
Save £5,775 GBP (51%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £11,323 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.51ct natural marquise diamond

This 1.51ct natural marquise sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5556598490. Listed at 16 retailers as of October 30, 2026, with prices from £5,548 to £11,323, a £5,775 spread on the same certified stone. NZ Jewellers lists it at £11,323. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
J
Colour
VS1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle36.77°
Pavilion angle39.86°
OriginNatural
Grading LabGIA
CertificateGIA 5556598490
Dimensions11.72 × 6.00 × 3.66 mm
L/W Ratio1.95
Culet sizeNone
Top View
11.72 mm6.00 mm1.51 ctJ / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 5556598490
Side View
Table 59.0%Crown 36.77°Girdle: STK-THKPavilion 39.86°Culet: NoneDepth 60.9%

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: Oct 31
Current: £11,323 GBP|Low: £5,189 GBP|High: £11,323 GBP|Avg: £6,903 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
Retailer 15
November 1, 2026
Retailer 12£5,548 GBP
Retailer 4£5,610 GBP
Retailer 10£5,661 GBP
Retailer 5£5,882 GBP
Retailer 7£6,214 GBP
Retailer 11£6,335 GBP
Retailer 8£6,377 GBP
Retailer 6£6,561 GBP
Retailer 14£6,799 GBP
Retailer 15£6,799 GBP
Retailer 13£6,918 GBP
Retailer 3£7,023 GBP
Retailer 9£7,083 GBP
Retailer 2£9,435 GBP
NZ Jewellers£11,323 GBP

39 data points across 15 retailers

16 retailers£5,548 GBP to £11,323 GBP

B+
Cheapest Retailer
-
£5,548 GBP
$7,433 USD
B+
Retailer 2
-
£5,610 GBP
CA$10,440 CAD
View
B+
Retailer 3
-
£5,661 GBP
$7,585 USD
View
Final sale: no returns
B+
Retailer 4
-
£5,882 GBP
$7,881 USD
View
B+
Retailer 5
-
£6,214 GBP
$8,326 USD
View
B+
Retailer 6
-
£6,335 GBP
$8,488 USD
View
B+
Retailer 7
-
£6,377 GBP
View
B
Retailer 8
-
£6,561 GBP
$8,791 USD
View
B+
Retailer 9
-
£6,799 GBP
$9,110 USD
View
B+
Retailer 10
-
£6,799 GBP
$9,110 USD
View
B+
Retailer 11
-
£6,841 GBP
$9,167 USD
View
B+
Retailer 12
-
£6,918 GBP
$9,270 USD
View
B
Retailer 13
-
£7,023 GBP
$9,410 USD
View
B+
Retailer 14
-
£7,083 GBP
€9,039 EUR
View
B
Retailer 15
-
£9,435 GBP
View
Most Expensive
B
NZ Jewellers
c463a27a-51c5-41fc-ad75-6e2e60bd95b1 · Oct 30
£11,323 GBP
$15,171 USD
View
15 more retailers have this diamond
Prices start from £5,548 GBPSave up to £5,775 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+
1.51ct Marquise
£5,548 GBP