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Marquise|Natural|GIA

1.51ct D SI1 Marquise Natural Diamond

EX • D/SI1 • GIA 7546359548

Certificate GIA 7546359548

Diamond specifications and retailer prices

From €10,280 EUR
A$17,739 AUD
As of November 1, 2026
Save €7,407 EUR (42%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €17,688 EUR at MOH London · As of November 1, 2026
View at MOH London

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 7546359548. Listed at 16 retailers as of November 1, 2026, with prices from €10,280 to €17,688, a €7,407 spread on the same certified stone. MOH London lists it at €17,688. 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
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle32.98°
Pavilion angle40.36°
OriginNatural
Grading LabGIA
CertificateGIA 7546359548
Dimensions11.45 × 6.22 × 3.71 mm
L/W Ratio1.84
Girdle conditionVery Thick
Key to symbols
Feather, Cloud, Pinpoint
Top View
11.45 mm6.22 mm1.51 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7546359548
Side View
Table 64.0%Crown 32.98°GirdlePavilion 40.36°Culet: NDepth 59.6%

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: €17,688 EUR|Low: €9,957 EUR|High: €17,901 EUR|Avg: €13,607 EUR|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 8€10,280 EUR
Retailer 10€11,980 EUR
Retailer 4€12,087 EUR
Retailer 9€12,158 EUR
Retailer 7€12,501 EUR
Retailer 2€12,670 EUR
Retailer 5€13,542 EUR
Retailer 3€14,265 EUR
Retailer 6€16,638 EUR
MOH London€17,688 EUR

32 data points across 10 retailers

16 retailers€10,280 EUR to €17,688 EUR

B+
Cheapest Retailer
-
€10,280 EUR
A$17,739 AUD
B
Retailer 2
-
€11,459 EUR
$12,853 USD
View
B
Retailer 3
-
€11,599 EUR
$13,009 USD
View
B
Retailer 4
-
€11,980 EUR
$13,437 USD
View
Final sale: no returns
B+
Retailer 5
-
€12,087 EUR
£10,675 GBP
View
Retailer 6
-
€12,158 EUR
A$20,979 AUD
View
Price last confirmed 9 days ago
B
Retailer 7
-
€12,273 EUR
$13,765 USD
View
B
Retailer 8
-
€12,501 EUR
$14,021 USD
View
Retailer 9
-
€12,501 EUR
$14,021 USD
View
Price last confirmed 17 days ago
B+
Retailer 10
-
€12,670 EUR
£11,190 GBP
View
B
Retailer 11
-
€13,294 EUR
$14,911 USD
View
B
Retailer 12
-
€13,542 EUR
$15,189 USD
View
Retailer 13
-
€14,064 EUR
$15,774 USD
View
Price last confirmed 44 days ago
B
Retailer 14
-
€14,265 EUR
View
B
Retailer 15
-
€16,638 EUR
ZAR 301,479 ZAR
View
Most Expensive
B
MOH London
C167A3398 · Nov 1
€17,688 EUR
£15,621 GBP
View
15 more retailers have this diamond
Prices start from €10,280 EURSave up to €7,407 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
€10,280 EUR