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Marquise|Natural|GIA

1.70ct I SI2 Marquise Natural Diamond

EX • I/SI2 • GIA 5241036081

Certificate GIA 5241036081

Diamond specifications and retailer prices

From €7,277 EUR
SGD 11,030 SGD
As of November 1, 2026
Save €4,162 EUR (36%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €11,439 EUR at Helzberg Diamonds · As of November 1, 2026
View at Helzberg 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5241036081. Listed at 12 retailers as of November 1, 2026, with prices from €7,277 to €11,439, a €4,162 spread on the same certified stone. Helzberg Diamonds lists it at €11,439. 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
I
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle39.49°
Pavilion angle38.01°
OriginNatural
Grading LabGIA
CertificateGIA 5241036081
Dimensions12.67 × 5.92 × 3.66 mm
L/W Ratio2.14
Culet sizeNone
Top View
12.67 mm5.92 mm1.70 ctI / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 5241036081
Side View
Table 57.0%Crown 39.49°Girdle: MED-THKPavilion 38.01°Culet: NoneDepth 61.8%

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: €11,439 EUR|Low: €7,277 EUR|High: €12,092 EUR|Avg: €9,234 EUR|-5.4%
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 9€7,277 EUR
Retailer 7€7,802 EUR
Retailer 10€7,879 EUR
Retailer 8€8,009 EUR
Retailer 11€8,046 EUR
Retailer 5€8,062 EUR
Retailer 3€9,325 EUR
Retailer 12€9,415 EUR
Retailer 4€9,544 EUR
Retailer 2€9,643 EUR
Retailer 6€10,729 EUR
Helzberg Diamonds€11,439 EUR

30 data points across 12 retailers

12 retailers€7,277 EUR to €11,439 EUR

B+
Cheapest Retailer
-
€7,277 EUR
SGD 11,030 SGD
B+
Retailer 2
-
€7,802 EUR
$8,751 USD
View
B+
Retailer 3
-
€7,879 EUR
SGD 11,942 SGD
View
B+
Retailer 4
-
€8,009 EUR
$8,983 USD
View
B+
Retailer 5
-
€8,046 EUR
$9,024 USD
View
B+
Retailer 6
-
€8,062 EUR
£7,120 GBP
View
B
Retailer 7
-
€9,325 EUR
$10,459 USD
View
B
Retailer 8
-
€9,415 EUR
$10,560 USD
View
B+
Retailer 9
-
€9,544 EUR
$10,705 USD
View
B+
Retailer 10
-
€9,643 EUR
View
B
Retailer 11
-
€10,729 EUR
$12,034 USD
View
Most Expensive
B
Helzberg Diamonds
XZRLIKHGJMGOH · Nov 1
€11,439 EUR
$12,830 USD
View
11 more retailers have this diamond
Prices start from €7,277 EURSave up to €4,162 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
€7,277 EUR