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Marquise|Natural|GIA

1.70ct H SI1 Marquise Natural Diamond

EX • H/SI1 • GIA 2557437761

Certificate GIA 2557437761

Diamond specifications and retailer prices

From €9,212 EUR
HK$80,400 HKD
As of October 27, 2026
Save €3,791 EUR (29%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €13,002 EUR at Reve Diamonds · As of October 29, 2026
View at Reve Diamonds

About this 1.7ct natural marquise diamond

This 1.7ct natural marquise sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2557437761. Listed at 14 retailers as of October 27, 2026, with prices from €9,212 to €13,002, a €3,791 spread on the same certified stone. Reve Diamonds lists it at €13,002. 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

1.70
Carat
H
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2557437761
Dimensions12.73 × 5.86 × 3.53 mm
L/W Ratio2.17
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Crystal, Indented Natural
Top View
12.73 mm5.86 mm1.70 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2557437761
Side View
Table 64.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 60.2%

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: Oct 27
Current: €16,596 EUR|Low: €9,212 EUR|High: €17,686 EUR|Avg: €12,715 EUR|-0.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 25, 2026
Retailer 10€9,212 EUR
Retailer 9€10,691 EUR
Retailer 4€10,737 EUR
Retailer 5€10,868 EUR
Retailer 6€11,225 EUR
Retailer 7€11,515 EUR
Retailer 16€11,548 EUR
Retailer 11€11,629 EUR
Retailer 15€11,713 EUR
Retailer 14€11,969 EUR
Retailer 18€12,495 EUR
Retailer 3€12,690 EUR
Retailer 8€13,042 EUR
Retailer 17€13,178 EUR
Retailer 12€13,313 EUR
Retailer 2€15,288 EUR
Retailer 1€16,596 EUR
Retailer 13€17,686 EUR

32 data points across 18 retailers

14 retailers€9,212 EUR to €13,002 EUR

B+
Cheapest Retailer
-
€9,212 EUR
HK$80,400 HKD
Retailer 2
-
€10,379 EUR
SGD 15,669 SGD
View
Price last confirmed 21 days ago
Retailer 3
-
€10,691 EUR
$11,944 USD
View
Price last confirmed 8 days ago
Retailer 4
-
€10,737 EUR
$11,996 USD
View
Price last confirmed 7 days ago
Retailer 5
-
€10,868 EUR
$12,142 USD
View
Price last confirmed 10 days ago
Retailer 6
-
€11,515 EUR
$12,865 USD
View
Price last confirmed 8 days ago
Retailer 7
-
€11,548 EUR
A$19,848 AUD
View
Price last confirmed 9 days ago
Retailer 8
-
€11,629 EUR
£10,230 GBP
View
Price last confirmed 8 days ago
Retailer 9
-
€11,713 EUR
$13,086 USD
View
Price last confirmed 8 days ago
Retailer 10
-
€11,969 EUR
£10,529 GBP
View
Price last confirmed 9 days ago
Retailer 11
-
€12,495 EUR
$13,959 USD
View
Price last confirmed 10 days ago
Retailer 12
-
€12,526 EUR
$13,995 USD
View
Price last confirmed 7 days ago
Retailer 13
-
€12,690 EUR
$14,177 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Reve Diamonds
49609C2F6 · Oct 25
€13,002 EUR
$14,526 USD
View
13 more retailers have this diamond
Prices start from €9,212 EURSave up to €3,791 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+
1.70ct Marquise
€9,212 EUR