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Marquise|Natural|GIA

1.70ct F SI1 Marquise Natural Diamond

EX • F/SI1 • GIA 7551808281

Certificate GIA 7551808281

Diamond specifications and retailer prices

From $14,009 SGD
$10,954 USD
As of November 1, 2026
Save $11,156 SGD (44%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $25,165 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7551808281. Listed at 13 retailers as of November 1, 2026, with prices from $14,009 to $25,165, a $11,156 spread on the same certified stone. NZ Jewellers lists it at $25,165. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 7551808281
Dimensions11.03 × 6.13 × 4.00 mm
L/W Ratio1.80
Top View
11.03 mm6.13 mm1.70 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 7551808281
Side View
Table 59.0%CrownGirdlePavilionCuletDepth 65.2%

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: Nov 1
Current: $16,337 SGD|Low: $14,009 SGD|High: $23,864 SGD|Avg: $17,722 SGD|-2.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 3, 2026
Retailer 9$14,009 SGD
Retailer 10$14,874 SGD
Retailer 2$15,099 SGD
Retailer 1$16,337 SGD
Retailer 7$16,430 SGD
Retailer 8$16,609 SGD
Retailer 3$16,892 SGD
Retailer 4$19,019 SGD
Retailer 6$22,182 SGD
Retailer 5$23,580 SGD

39 data points across 10 retailers

13 retailers$14,009 SGD to $25,165 SGD

B+
Cheapest Retailer
-
$14,009 SGD
$10,954 USD
B+
Retailer 2
-
$14,874 SGD
$11,630 USD
View
B+
Retailer 3
-
$15,099 SGD
$11,806 USD
View
B+
Retailer 4
-
$16,337 SGD
£10,058 GBP
View
B
Retailer 5
-
$16,357 SGD
$12,790 USD
View
Retailer 6
-
$16,430 SGD
A$19,764 AUD
View
Price last confirmed 10 days ago
B+
Retailer 7
-
$16,609 SGD
$12,987 USD
View
B+
Retailer 8
-
$16,892 SGD
£10,400 GBP
View
B
Retailer 9
-
$18,873 SGD
$14,757 USD
View
B
Retailer 10
-
$19,019 SGD
€14,163 EUR
View
B
Retailer 11
-
$22,182 SGD
ZAR 280,200 ZAR
View
B
Retailer 12
-
$23,580 SGD
£14,518 GBP
View
Most Expensive
B
NZ Jewellers
a02cec0a-cb7b-4da6-b633-baf9211396cb · Nov 3
$25,165 SGD
$19,677 USD
View
12 more retailers have this diamond
Prices start from $14,009 SGDSave up to $11,156 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
$14,009 SGD