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Heart|Natural|GIA

1.71ct I SI2 Heart Natural Diamond

EX • I/SI2 • GIA 1535590470

Certificate GIA 1535590470

Diamond specifications and retailer prices

From $5,670 NZD
$3,190 USD
As of November 1, 2026
Save $5,550 NZD (49%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $11,220 NZD at Wholesale Diamonds Direct · As of October 27, 2026
View at Wholesale Diamonds Direct

About this 1.71ct natural heart diamond

This 1.71ct natural heart sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1535590470. Listed at 8 retailers as of October 27, 2026, with prices from $5,670 to $11,220, a $5,550 spread on the same certified stone. Wholesale Diamonds Direct lists it at $11,220. 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

1.71
Carat
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.55°
Pavilion angle41.1°
OriginNatural
Grading LabGIA
CertificateGIA 1535590470
Dimensions8.20 × 7.15 × 4.25 mm
L/W Ratio1.15
Culet sizeNone
Top View
8.20 mm7.15 mm1.71 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1535590470
Side View
Table 59.0%Crown 39.55°Girdle: MED-THKPavilion 41.1°Culet: NoneDepth 59.5%

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 1
Current: $8,087 NZD|Low: $5,559 NZD|High: $11,762 NZD|Avg: $7,709 NZD|-1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Wholesale Diamonds Direct
November 2, 2026
Retailer 5$5,670 NZD
Retailer 7$6,216 NZD
Retailer 6$6,798 NZD
Retailer 8$6,853 NZD
Retailer 3$7,852 NZD
Retailer 1$8,087 NZD
Retailer 4$8,087 NZD
Retailer 2$8,353 NZD
Wholesale Diamonds Direct$11,220 NZD

40 data points across 9 retailers

8 retailers$5,670 NZD to $11,220 NZD

A
Cheapest Retailer
-
$5,670 NZD
$3,190 USD
A
Retailer 2
-
$6,216 NZD
SGD 4,726 SGD
View
A
Retailer 3
-
$6,798 NZD
SGD 5,169 SGD
View
A
Retailer 4
-
$7,623 NZD
$4,289 USD
View
A
Retailer 5
-
$8,087 NZD
$4,550 USD
View
A
Retailer 6
-
$8,087 NZD
$4,550 USD
View
A
Retailer 7
-
$8,353 NZD
$4,700 USD
View
Most Expensive
B+
Wholesale Diamonds Direct
264711746 · Oct 27
$11,220 NZD
$6,313 USD
View
7 more retailers have this diamond
Prices start from $5,670 NZDSave up to $5,550 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
1.71ct Heart
$5,670 NZD