Round|Natural|GIA

1.70ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 1559478791

Certificate GIA 1559478791

Diamond specifications and retailer prices

From $8,870 NZD
$4,999 USD
As of November 2, 2026
Save $9,764 NZD (52%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $21,494 NZD at NZ Jewellers · As of September 28, 2026
View at NZ Jewellers

About this 1.7ct natural round diamond

This 1.7ct natural round sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1559478791. Listed at 24 retailers as of October 26, 2026, with a 110% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 1559478791
Dimensions7.68 × 4.72 × 4.72 mm
L/W Ratio1.63
Culet sizeNone
Top View
7.68 mm4.72 mm1.70 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1559478791
Side View
Table 59.0%Crown 33°Girdle: THN-STKPavilion 41.8°Culet: NoneDepth 61.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $12,241 NZD|Low: $8,470 NZD|High: $18,634 NZD|Avg: $12,261 NZD|+1.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 2, 2026
Retailer 4$9,869 NZD
Retailer 5$10,153 NZD
Retailer 13$10,165 NZD
Retailer 6$10,291 NZD
Retailer 15$10,745 NZD
Retailer 17$10,747 NZD
Retailer 2$11,461 NZD
Retailer 8$11,797 NZD
Retailer 12$11,858 NZD
Retailer 16$12,087 NZD
Retailer 1$12,241 NZD
Retailer 3$12,704 NZD
Retailer 7$12,704 NZD
Retailer 9$13,130 NZD
Retailer 10$13,708 NZD
Retailer 11$17,910 NZD
Retailer 14$18,634 NZD

35 data points across 17 retailers

24 retailers$8,870 NZD to $18,634 NZD

A
Cheapest Retailer
-
$8,870 NZD
$4,999 USD
A
Retailer 2
-
$9,869 NZD
$5,562 USD
View
A
Retailer 3
-
$10,153 NZD
$5,722 USD
View
A
Retailer 4
-
$10,165 NZD
$5,729 USD
View
A
Retailer 5
-
$10,291 NZD
$5,800 USD
View
B+
Retailer 6
-
$10,745 NZD
$6,056 USD
View
Final sale: no returns
B+
Retailer 7
-
$11,461 NZD
$6,460 USD
View
Retailer 8
-
$11,643 NZD
$6,562 USD
View
Price last confirmed 52 days ago
Retailer 9
-
$11,643 NZD
$6,562 USD
View
Price last confirmed 34 days ago
Retailer 10
-
$11,797 NZD
$6,649 USD
View
Price last confirmed 10 days ago
Retailer 11
-
$11,822 NZD
$6,663 USD
View
Price last confirmed 33 days ago
B+
Retailer 12
-
$11,858 NZD
$6,683 USD
View
B+
Retailer 13
-
$12,087 NZD
$6,812 USD
View
B+
Retailer 14
-
$12,241 NZD
£5,433 GBP
View
B+
Retailer 15
-
$12,704 NZD
$7,160 USD
View
B+
Retailer 16
-
$12,704 NZD
$7,160 USD
View
B+
Retailer 17
-
$13,130 NZD
$7,400 USD
View
Retailer 18
-
$13,433 NZD
$7,571 USD
View
Price last confirmed 33 days ago
Retailer 19
-
$13,433 NZD
$7,571 USD
View
Price last confirmed 52 days ago
B+
Retailer 20
-
$13,708 NZD
€7,358 EUR
View
B
Retailer 21
-
$17,910 NZD
£7,948 GBP
View
B
Retailer 22
-
$18,634 NZD
$10,502 USD
View
Retailer 23
-
$21,494 NZD
$12,114 USD
View
Price last confirmed 52 days ago
Most Expensive
NZ Jewellers
24bb874d-fc3e-4e61-9f42-8d6bc48b80c1 · Sep 28
$21,494 NZD
$12,114 USD
View
Price last confirmed 35 days ago
23 more retailers have this diamond
Prices start from $8,870 NZDSave up to $9,764 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.

A
1.70ct Round
$8,870 NZD