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Marquise|Natural|GIA

1.51ct E SI1 Marquise Natural Diamond

EX • E/SI1 • GIA 2564234109

Certificate GIA 2564234109

Diamond specifications and retailer prices

From €8,627 EUR
HK$75,300 HKD
As of October 31, 2026
Save €7,772 EUR (47%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €16,399 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 E 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 2564234109. Listed at 11 retailers as of October 30, 2026, with prices from €8,627 to €16,399, a €7,772 spread on the same certified stone. NZ Jewellers lists it at €16,399. 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
E
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
Pavilion angle41.04°
OriginNatural
Grading LabGIA
CertificateGIA 2564234109
Dimensions12.15 × 5.72 × 3.73 mm
L/W Ratio2.12
Key to symbols
Twinning Wisp, Crystal, Feather, Natural
Top View
12.15 mm5.72 mm1.51 ctE / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2564234109
Side View
Table 55.0%CrownGirdle: THK-VTKPavilion 41.04°Culet: NoneDepth 65.3%

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: €16,399 EUR|Low: €8,627 EUR|High: €16,548 EUR|Avg: €12,016 EUR|-0.9%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 11€8,627 EUR
Retailer 7€9,500 EUR
Retailer 8€10,241 EUR
Retailer 5€11,009 EUR
Retailer 3€11,690 EUR
Retailer 6€11,766 EUR
Retailer 9€12,109 EUR
Retailer 10€12,154 EUR
Retailer 2€14,944 EUR
Retailer 4€15,367 EUR
NZ Jewellers€16,399 EUR

12 data points across 11 retailers

11 retailers€8,627 EUR to €16,399 EUR

A
Cheapest Retailer
-
€8,627 EUR
HK$75,300 HKD
B+
Retailer 2
-
€9,500 EUR
View
B+
Retailer 3
-
€10,241 EUR
$11,441 USD
View
B+
Retailer 4
-
€11,009 EUR
£9,684 GBP
View
B
Retailer 5
-
€11,690 EUR
$13,060 USD
View
B
Retailer 6
-
€11,766 EUR
$13,145 USD
View
B+
Retailer 7
-
€12,109 EUR
$13,528 USD
View
B+
Retailer 8
-
€12,154 EUR
View
B
Retailer 9
-
€14,944 EUR
$16,695 USD
View
B
Retailer 10
-
€15,367 EUR
£13,518 GBP
View
Most Expensive
B
NZ Jewellers
221050fd-396e-4ec7-8e7b-c1425e163983 · Oct 30
€16,399 EUR
$18,321 USD
View
10 more retailers have this diamond
Prices start from €8,627 EURSave up to €7,772 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
€8,627 EUR