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Round|Natural|GIA

1.70ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 2556909092

Certificate GIA 2556909092

Diamond specifications and retailer prices

From $6,347 NZD
SGD 4,834 SGD
As of October 16, 2026
3 retailers carry this diamond
Most expensive: $10,730 NZD at Wholesale Diamonds Direct · As of October 14, 2026
View at Wholesale Diamonds Direct

About this 1.7ct natural round diamond

This 1.7ct natural round sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2556909092. Listed at 3 retailers as of October 14, 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
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2556909092
Dimensions7.57 × 7.62 × 4.76 mm
L/W Ratio1.01
Culet sizeNone
Top View
7.57 mm7.62 mm1.70 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2556909092
Side View
Table 57.0%Crown 36°Girdle: THN-STKPavilion 41°Culet: NoneDepth 62.6%

Caratlytics Score

No score right now
No retailer has confirmed this stone recently, so we are not scoring it. Prices below are as of the date shown.

Price History

Last verified: Oct 16
Current: $5,123 NZD|Low: $5,123 NZD|High: $10,883 NZD|Avg: $7,219 NZD|-1.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Wholesale Diamonds Direct
October 17, 2026
Retailer 1$5,123 NZD
Retailer 7$5,876 NZD
Retailer 3$6,215 NZD
Retailer 5$6,347 NZD
Retailer 8$6,387 NZD
Retailer 2$6,803 NZD
Retailer 9$7,482 NZD
Retailer 4$7,508 NZD
Retailer 10$7,907 NZD
Retailer 6$8,044 NZD
Wholesale Diamonds Direct$10,730 NZD

22 data points across 11 retailers

3 retailers$6,347 NZD to $10,730 NZD

Retailer 1
-
$6,347 NZD
SGD 4,834 SGD
Price last confirmed 15 days ago
Retailer 2
-
$6,387 NZD
$3,600 USD
View
Price last confirmed 17 days ago
Most Expensive
Wholesale Diamonds Direct
495147671 · Oct 14
$10,730 NZD
$6,048 USD
View
Price last confirmed 17 days ago
2 more retailers have this diamond

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.

1.70ct Round
$6,347 NZD