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Marquise|Natural|GIA

1.70ct J SI1 Marquise Natural Diamond

J/SI1 • GIA 2567019290

Certificate GIA 2567019290

Diamond specifications and retailer prices

From $8,006 USD
£6,304 GBP
As of November 2, 2026
Save $5,910 USD (42%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $13,916 USD at NZ Jewellers · As of October 30, 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 J colour (near-colourless) and SI1 clarity (slightly-included) and certified by GIA 2567019290. Listed at 5 retailers as of October 30, 2026, with prices from $8,006 to $13,916, a $5,910 spread on the same certified stone. NZ Jewellers lists it at $13,916. 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
J
Color
SI1
Clarity
-
Cut

Specifications

Cut
PolishVery Good
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2567019290
Dimensions11.37 × 6.40 × 3.90 mm
L/W Ratio1.78
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Cavity, Indented Natural
Top View
11.37 mm6.40 mm1.70 ctJ / SI1
OriginNatural
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2567019290
Side View
Table 53.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 60.9%

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 2
Current: $13,916 USD|Low: $8,003 USD|High: $13,916 USD|Avg: $10,159 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 2, 2026
Retailer 2$8,006 USD
Retailer 5$8,321 USD
Retailer 4$8,449 USD
Retailer 3$11,596 USD
NZ Jewellers$13,916 USD

12 data points across 5 retailers

5 retailers$8,006 USD to $13,916 USD

B
Cheapest Retailer
-
$8,006 USD
£6,304 GBP
B
Retailer 2
-
$8,321 USD
View
B
Retailer 3
-
$8,449 USD
View
B
Retailer 4
-
$11,596 USD
£9,131 GBP
View
Most Expensive
C
NZ Jewellers
a49d373e-138b-4478-ad05-705a28c57afa · Oct 30
$13,916 USD
View
4 more retailers have this diamond
Prices start from $8,006 USDSave up to $5,910 USD

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
$8,006 USD