CaratHunter
Plans
Marquise|Natural|GIA

1.51ct D SI1 Marquise Natural Diamond

ID • D/SI1 • GIA 5553731926

Certificate GIA 5553731926

Diamond specifications and retailer prices

From €8,017 EUR
$8,957 USD
As of October 31, 2026
Save €4,907 EUR (38%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €12,924 EUR 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5553731926. Listed at 9 retailers as of October 30, 2026, with prices from €8,017 to €12,924, a €4,907 spread on the same certified stone. NZ Jewellers lists it at €12,924. 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

1.51
Carat
D
Color
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishVery Good
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5553731926
Dimensions10.94 × 5.98 × 3.80 mm
L/W Ratio1.83
Top View
10.94 mm5.98 mm1.51 ctD / SI1
OriginNatural
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 5553731926
Side View
Table 60.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 63.4%

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: Oct 31
Current: €12,924 EUR|Low: €8,017 EUR|High: €13,033 EUR|Avg: €9,415 EUR|-0.8%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 4€8,017 EUR
Retailer 5€8,038 EUR
Retailer 6€8,101 EUR
Retailer 9€8,590 EUR
Retailer 3€8,676 EUR
Retailer 8€9,273 EUR
Retailer 7€9,415 EUR
Retailer 2€12,111 EUR
NZ Jewellers€12,924 EUR

17 data points across 9 retailers

9 retailers€8,017 EUR to €12,924 EUR

A
Cheapest Retailer
-
€8,017 EUR
$8,957 USD
A
Retailer 2
-
€8,038 EUR
$8,980 USD
View
A
Retailer 3
-
€8,101 EUR
$9,050 USD
View
Retailer 4
-
€8,590 EUR
A$14,764 AUD
View
Price last confirmed 9 days ago
A
Retailer 5
-
€8,676 EUR
£7,632 GBP
View
B+
Retailer 6
-
€9,273 EUR
$10,360 USD
View
B+
Retailer 7
-
€9,415 EUR
$10,519 USD
View
B+
Retailer 8
-
€12,111 EUR
£10,654 GBP
View
Most Expensive
B
NZ Jewellers
5382c10c-e26f-43bf-a2f9-6991835ace68 · Oct 30
€12,924 EUR
$14,439 USD
View
8 more retailers have this diamond
Prices start from €8,017 EURSave up to €4,907 EUR

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
€8,017 EUR