CaratHunter
Plans
Marquise|Natural|GIA

1.70ct K SI2 Marquise Natural Diamond

EX • K/SI2 • GIA 5556656638

Certificate GIA 5556656638

Diamond specifications and retailer prices

From $9,822 AUD
As of November 6, 2026
7 retailers carry this diamond
Most expensive: $13,745 AUD at Wholesale Diamonds Direct · As of October 16, 2026
View at Wholesale Diamonds Direct

About this 1.7ct natural marquise diamond

This 1.7ct natural marquise sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5556656638. Listed at 7 retailers as of November 6, 2026. 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
K
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle38.16°
Pavilion angle40.85°
OriginNatural
Grading LabGIA
CertificateGIA 5556656638
Dimensions12.18 × 6.00 × 3.87 mm
L/W Ratio2.03
Culet sizeNone
Top View
12.18 mm6.00 mm1.70 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 5556656638
Side View
Table 57.0%Crown 38.16°Girdle: MED-VTKPavilion 40.85°Culet: NoneDepth 64.5%

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 6
Current: $8,636 AUD|Low: $7,526 AUD|High: $14,295 AUD|Avg: $9,812 AUD|-2.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Wholesale Diamonds Direct
October 19, 2026
Retailer 8$7,526 AUD
Retailer 3$7,836 AUD
Retailer 4$7,965 AUD
Retailer 6$8,149 AUD
Retailer 10$8,297 AUD
Retailer 1$8,636 AUD
Retailer 7$9,531 AUD
Retailer 5$9,569 AUD
Retailer 2$9,955 AUD
Retailer 9$10,889 AUD
Wholesale Diamonds Direct$13,745 AUD

28 data points across 11 retailers

7 retailers

Retailer 1
-
$7,526 AUD
Price last confirmed 21 days ago
Retailer 2
-
$7,965 AUD
View
Price last confirmed 20 days ago
Retailer 3
-
$8,149 AUD
View
Price last confirmed 21 days ago
Retailer 4
-
$8,297 AUD
View
Price last confirmed 19 days ago
Retailer 5
-
$8,636 AUD
View
Price last confirmed 18 days ago
B+
Retailer 6
-
$9,822 AUD
View
Most Expensive
Wholesale Diamonds Direct
530706854 · Oct 16
$13,745 AUD
$9,444 USD
View
Price last confirmed 21 days ago
6 more retailers have this diamond
Prices start from $9,822 AUD

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
$9,822 AUD