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Marquise|Natural|GIA

1.70ct F SI2 Marquise Natural Diamond

EX • F/SI2 • GIA 2556223740

Certificate GIA 2556223740

Diamond specifications and retailer prices

From $13,501 SGD
$10,557 USD
As of November 1, 2026
Save $10,752 SGD (44%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $24,253 SGD at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 1.7ct natural marquise diamond

This 1.7ct natural marquise sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2556223740. Listed at 12 retailers as of November 1, 2026, with prices from $13,501 to $24,253, a $10,752 spread on the same certified stone. NZ Jewellers lists it at $24,253. 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
F
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2556223740
Dimensions11.27 × 6.22 × 3.97 mm
L/W Ratio1.81
Top View
11.27 mm6.22 mm1.70 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2556223740
Side View
Table 60.0%CrownGirdlePavilionCulet: NDepth 63.8%

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: $16,395 SGD|Low: $13,339 SGD|High: $23,000 SGD|Avg: $17,121 SGD|-1.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 6$13,501 SGD
Retailer 5$14,550 SGD
Retailer 7$14,673 SGD
Retailer 4$15,608 SGD
Retailer 8$16,007 SGD
Retailer 1$16,395 SGD
Retailer 9$18,190 SGD
Retailer 2$18,330 SGD
Retailer 3$22,726 SGD

41 data points across 9 retailers

12 retailers$13,501 SGD to $24,253 SGD

B+
Cheapest Retailer
-
$13,501 SGD
$10,557 USD
B+
Retailer 2
-
$14,550 SGD
$11,377 USD
View
Final sale: no returns
B+
Retailer 3
-
$14,551 SGD
$11,378 USD
View
B+
Retailer 4
-
$14,673 SGD
$11,473 USD
View
B+
Retailer 5
-
$15,608 SGD
£9,610 GBP
View
B
Retailer 6
-
$15,764 SGD
$12,326 USD
View
B
Retailer 7
-
$16,007 SGD
$12,516 USD
View
B+
Retailer 8
-
$16,395 SGD
£10,094 GBP
View
B
Retailer 9
-
$18,190 SGD
$14,223 USD
View
B
Retailer 10
-
$18,330 SGD
€13,650 EUR
View
B
Retailer 11
-
$22,726 SGD
£13,992 GBP
View
Most Expensive
B
NZ Jewellers
f06bab0f-8ec7-407a-bdd4-1c9393d8ce34 · Nov 3
$24,253 SGD
$18,964 USD
View
11 more retailers have this diamond
Prices start from $13,501 SGDSave up to $10,752 SGD

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
$13,501 SGD