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Heart|Natural|GIA

1.71ct D SI1 Heart Natural Diamond

EX • D/SI1 • GIA 7541965830

Certificate GIA 7541965830

Diamond specifications and retailer prices

From $9,913 AUD
HK$54,400 HKD
As of November 1, 2026
Save $3,845 AUD (28%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $13,758 AUD at Blue Nile · As of October 31, 2026
View at Blue Nile

About this 1.71ct natural heart diamond

This 1.71ct natural heart sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7541965830. Listed at 12 retailers as of October 31, 2026, with prices from $9,913 to $13,758, a $3,845 spread on the same certified stone. Blue Nile lists it at $13,758. 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
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7541965830
Dimensions7.06 × 8.18 × 4.90 mm
L/W Ratio1.16
Top View
7.06 mm8.18 mm1.71 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7541965830
Side View
Table 60.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 59.9%

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: $13,758 AUD|Low: $9,913 AUD|High: $14,051 AUD|Avg: $11,715 AUD|-2.1%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 9$9,913 AUD
Retailer 2$10,157 AUD
Retailer 7$10,288 AUD
Retailer 12$10,738 AUD
Retailer 8$10,906 AUD
Retailer 4$11,206 AUD
Retailer 10$11,470 AUD
Retailer 6$11,621 AUD
Retailer 11$11,820 AUD
Retailer 5$13,278 AUD
Retailer 3$13,567 AUD
Blue Nile$13,758 AUD

32 data points across 12 retailers

12 retailers$9,913 AUD to $13,758 AUD

A
Cheapest Retailer
-
$9,913 AUD
HK$54,400 HKD
A
Retailer 2
-
$10,157 AUD
₹679,514 INR
View
Retailer 3
-
$10,288 AUD
€6,883 EUR
View
Price last confirmed 8 days ago
B+
Retailer 4
-
$10,738 AUD
$7,543 USD
View
Final sale: no returns
B+
Retailer 5
-
$10,906 AUD
$7,661 USD
View
Retailer 6
-
$11,206 AUD
SGD 10,637 SGD
View
Price last confirmed 22 days ago
B+
Retailer 7
-
$11,470 AUD
SGD 10,888 SGD
View
B+
Retailer 8
-
$11,621 AUD
$8,163 USD
View
B+
Retailer 9
-
$11,820 AUD
$8,303 USD
View
B+
Retailer 10
-
$13,278 AUD
£7,344 GBP
View
B+
Retailer 11
-
$13,567 AUD
$9,530 USD
View
Most Expensive
B+
Blue Nile
28761523 · Oct 31
$13,758 AUD
$9,664 USD
View
11 more retailers have this diamond
Prices start from $9,913 AUDSave up to $3,845 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
$9,913 AUD