CaratHunter
Plans
Marquise|Natural|GIA

1.51ct F SI1 Marquise Natural Diamond

ID • F/SI1 • GIA 6541995939

Certificate GIA 6541995939

Diamond specifications and retailer prices

From €8,926 EUR
$10,011 USD
As of November 1, 2026
Save €3,118 EUR (26%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: €12,043 EUR at 77 Diamonds · As of November 1, 2026
View at 77 Diamonds

About this 1.51ct natural marquise diamond

This 1.51ct natural marquise sits in the one-and-a-half to two carat band, graded F 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 6541995939. Listed at 4 retailers as of November 1, 2026, with prices from €8,926 to €12,043, a €3,118 spread on the same certified stone. 77 Diamonds lists it at €12,043. 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
F
Color
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6541995939
Dimensions11.57 × 5.99 × 3.71 mm
L/W Ratio1.93
Top View
11.57 mm5.99 mm1.51 ctF / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6541995939
Side View
Table 60.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 61.9%

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: Nov 1
Current: €12,043 EUR|Low: €8,103 EUR|High: €12,687 EUR|Avg: €10,225 EUR|-0.2%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 10€8,103 EUR
Retailer 8€8,577 EUR
Retailer 2€8,926 EUR
Retailer 5€9,455 EUR
Retailer 11€9,776 EUR
Retailer 6€9,975 EUR
Retailer 3€10,707 EUR
Retailer 4€10,978 EUR
Retailer 9€11,166 EUR
77 Diamonds€12,043 EUR
Retailer 7€12,687 EUR

36 data points across 11 retailers

4 retailers€8,926 EUR to €12,043 EUR

B+
Cheapest Retailer
-
€8,926 EUR
$10,011 USD
B+
Retailer 2
-
€9,455 EUR
$10,605 USD
View
B
Retailer 3
-
€9,975 EUR
$11,188 USD
View
Most Expensive
B
77 Diamonds
MQZHUVJPYD4 · Nov 1
€12,043 EUR
£10,636 GBP
View
3 more retailers have this diamond
Prices start from €8,926 EURSave up to €3,118 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.

B+
1.51ct Marquise
€8,926 EUR