CaratHunter
Plans
Marquise|Natural|GIA

1.51ct I I1 Marquise Natural Diamond

ID • I/I1 • GIA 6552376192

Certificate GIA 6552376192

Diamond specifications and retailer prices

From £3,110 GBP
HK$32,600 HKD
As of November 1, 2026
Save £3,889 GBP (56%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £6,999 GBP at NZ Jewellers · As of November 3, 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 I colour (near-colourless) and I1 clarity (included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6552376192. Listed at 9 retailers as of November 1, 2026, with prices from £3,110 to £6,999, a £3,889 spread on the same certified stone. NZ Jewellers lists it at £6,999. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
I
Colour
I1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6552376192
Dimensions13.58 × 5.69 × 3.30 mm
L/W Ratio2.39
Top View
13.58 mm5.69 mm1.51 ctI / I1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6552376192
Side View
Table 58.0%CrownGirdlePavilionCuletDepth 58.1%

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 1
Current: £6,999 GBP|Low: £3,081 GBP|High: £7,511 GBP|Avg: £4,666 GBP|-6.8%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 5£3,110 GBP
Retailer 9£3,649 GBP
Retailer 8£3,685 GBP
Retailer 2£4,184 GBP
Retailer 4£4,184 GBP
Retailer 7£4,184 GBP
Retailer 3£4,734 GBP
Retailer 6£4,828 GBP
Retailer 10£5,572 GBP
NZ Jewellers£6,999 GBP

29 data points across 10 retailers

9 retailers£3,110 GBP to £6,999 GBP

A
Cheapest Retailer
-
£3,110 GBP
HK$32,600 HKD
A
Retailer 2
-
£3,649 GBP
$4,897 USD
View
A
Retailer 3
-
£3,685 GBP
$4,945 USD
View
B+
Retailer 4
-
£4,184 GBP
$5,615 USD
View
B+
Retailer 5
-
£4,184 GBP
$5,615 USD
View
B+
Retailer 6
-
£4,184 GBP
$5,615 USD
View
B+
Retailer 7
-
£4,734 GBP
€6,050 EUR
View
B+
Retailer 8
-
£4,828 GBP
$6,479 USD
View
Most Expensive
B+
NZ Jewellers
695716ef-e3a1-4f4f-b050-a857ec33c5d1 · Nov 3
£6,999 GBP
$9,392 USD
View
8 more retailers have this diamond
Prices start from £3,110 GBPSave up to £3,889 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
1.51ct Marquise
£3,110 GBP