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Marquise|Natural|GIA

1.70ct K SI2 Marquise Natural Diamond

K/SI2

Diamond specifications and retailer prices

From $13,820 NZD
As of November 6, 2026
Save $10,349 NZD (43%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $24,169 NZD at NZ Jewellers · As of November 5, 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 K colour (faint-tinted) and SI2 clarity (slightly-included) and certified by GIA. Listed at 3 retailers as of November 5, 2026, with prices from $13,820 to $24,169, a $10,349 spread on the same certified stone. NZ Jewellers lists it at $24,169. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.70
Carat
K
Colour
SI2
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
Dimensions12.00 × 6.22 × 3.95 mm
L/W Ratio1.93
Top View
12.00 mm6.22 mm1.70 ctK / SI2
OriginNatural
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA
Side View
Table 59.0%CrownGirdle: MediumPavilionCulet: NoneDepth 63.5%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $24,169 NZD|Low: $12,867 NZD|High: $24,169 NZD|Avg: $16,748 NZD
NZ Jewellers
Retailer 2
Retailer 3
November 3, 2026
Retailer 3$13,820 NZD
Retailer 2$14,572 NZD
NZ Jewellers$24,169 NZD

4 data points across 3 retailers

3 retailers$13,820 NZD to $24,169 NZD

B
Cheapest Retailer
-
$13,820 NZD
C
Retailer 2
-
$14,572 NZD
View
Most Expensive
C
NZ Jewellers
365a3105-3c30-41e5-a945-6f2ec40a0c05 · Nov 5
$24,169 NZD
$13,398 USD
View
2 more retailers have this diamond
Prices start from $13,820 NZDSave up to $10,349 NZD

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
$13,820 NZD