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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 $4,552 AUD
$3,190 USD
As of November 1, 2026
Save $4,456 AUD (49%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $9,008 AUD 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 $4,552 to $9,008, a $4,456 spread on the same certified stone. Wholesale Diamonds Direct lists it at $9,008. 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: $6,492 AUD|Low: $4,463 AUD|High: $9,443 AUD|Avg: $6,189 AUD|-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$4,552 AUD
Retailer 7$4,990 AUD
Retailer 6$5,458 AUD
Retailer 8$5,502 AUD
Retailer 3$6,304 AUD
Retailer 1$6,492 AUD
Retailer 4$6,492 AUD
Retailer 2$6,706 AUD
Wholesale Diamonds Direct$9,008 AUD

40 data points across 9 retailers

8 retailers$4,552 AUD to $9,008 AUD

A
Cheapest Retailer
-
$4,552 AUD
$3,190 USD
A
Retailer 2
-
$4,990 AUD
SGD 4,726 SGD
View
A
Retailer 3
-
$5,458 AUD
SGD 5,169 SGD
View
A
Retailer 4
-
$6,120 AUD
$4,289 USD
View
A
Retailer 5
-
$6,492 AUD
$4,550 USD
View
A
Retailer 6
-
$6,492 AUD
$4,550 USD
View
A
Retailer 7
-
$6,706 AUD
$4,700 USD
View
Most Expensive
B+
Wholesale Diamonds Direct
264711746 · Oct 27
$9,008 AUD
$6,313 USD
View
7 more retailers have this diamond
Prices start from $4,552 AUDSave up to $4,456 AUD

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
$4,552 AUD