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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 €9,175 EUR
HK$80,400 HKD
As of October 27, 2026
Save €3,776 EUR (29%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €12,951 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 €9,175 to €12,951, a €3,776 spread on the same certified stone. Reve Diamonds lists it at €12,951. 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
Colour
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: €16,531 EUR|Low: €9,175 EUR|High: €17,617 EUR|Avg: €12,665 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€9,175 EUR
Retailer 9€10,649 EUR
Retailer 4€10,695 EUR
Retailer 5€10,826 EUR
Retailer 6€11,181 EUR
Retailer 7€11,470 EUR
Retailer 16€11,503 EUR
Retailer 11€11,583 EUR
Retailer 15€11,667 EUR
Retailer 14€11,922 EUR
Retailer 18€12,446 EUR
Retailer 3€12,640 EUR
Retailer 8€12,991 EUR
Retailer 17€13,126 EUR
Retailer 12€13,261 EUR
Retailer 2€15,228 EUR
Retailer 1€16,531 EUR
Retailer 13€17,617 EUR

32 data points across 18 retailers

14 retailers€9,175 EUR to €12,951 EUR

B+
Cheapest Retailer
-
€9,175 EUR
HK$80,400 HKD
Retailer 2
-
€10,338 EUR
SGD 15,669 SGD
View
Price last confirmed 21 days ago
Retailer 3
-
€10,649 EUR
$11,944 USD
View
Price last confirmed 9 days ago
Retailer 4
-
€10,695 EUR
$11,996 USD
View
Price last confirmed 8 days ago
Retailer 5
-
€10,826 EUR
$12,142 USD
View
Price last confirmed 10 days ago
Retailer 6
-
€11,470 EUR
$12,865 USD
View
Price last confirmed 8 days ago
Retailer 7
-
€11,503 EUR
A$19,848 AUD
View
Price last confirmed 9 days ago
Retailer 8
-
€11,583 EUR
£10,230 GBP
View
Price last confirmed 8 days ago
Retailer 9
-
€11,667 EUR
$13,086 USD
View
Price last confirmed 8 days ago
Retailer 10
-
€11,922 EUR
£10,529 GBP
View
Price last confirmed 9 days ago
Retailer 11
-
€12,446 EUR
$13,959 USD
View
Price last confirmed 11 days ago
Retailer 12
-
€12,477 EUR
$13,995 USD
View
Price last confirmed 8 days ago
Retailer 13
-
€12,640 EUR
$14,177 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Reve Diamonds
49609C2F6 · Oct 25
€12,951 EUR
$14,526 USD
View
13 more retailers have this diamond
Prices start from €9,175 EURSave up to €3,776 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
€9,175 EUR