Heart|Natural|GIA

1.71ct D SI1 Heart Natural Diamond

EX • D/SI1 • GIA 7541965830

Certificate GIA 7541965830

Diamond specifications and retailer prices

From $12,376 NZD
HK$54,400 HKD
As of November 1, 2026
Save $4,800 NZD (28%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $17,176 NZD 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 $12,376 to $17,176, a $4,800 spread on the same certified stone. Blue Nile lists it at $17,176. 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: $17,176 NZD|Low: $12,376 NZD|High: $17,542 NZD|Avg: $14,626 NZD|-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$12,376 NZD
Retailer 2$12,681 NZD
Retailer 7$12,844 NZD
Retailer 12$13,406 NZD
Retailer 8$13,616 NZD
Retailer 4$13,990 NZD
Retailer 10$14,320 NZD
Retailer 6$14,508 NZD
Retailer 11$14,757 NZD
Retailer 5$16,577 NZD
Retailer 3$16,938 NZD
Blue Nile$17,176 NZD

32 data points across 12 retailers

12 retailers$12,376 NZD to $17,176 NZD

A
Cheapest Retailer
-
$12,376 NZD
HK$54,400 HKD
A
Retailer 2
-
$12,681 NZD
₹679,514 INR
View
Retailer 3
-
$12,844 NZD
€6,883 EUR
View
Price last confirmed 8 days ago
B+
Retailer 4
-
$13,406 NZD
$7,543 USD
View
Final sale: no returns
B+
Retailer 5
-
$13,616 NZD
$7,661 USD
View
Retailer 6
-
$13,990 NZD
SGD 10,637 SGD
View
Price last confirmed 22 days ago
B+
Retailer 7
-
$14,320 NZD
SGD 10,888 SGD
View
B+
Retailer 8
-
$14,508 NZD
$8,163 USD
View
B+
Retailer 9
-
$14,757 NZD
$8,303 USD
View
B+
Retailer 10
-
$16,577 NZD
£7,344 GBP
View
B+
Retailer 11
-
$16,938 NZD
$9,530 USD
View
Most Expensive
B+
Blue Nile
28761523 · Oct 31
$17,176 NZD
$9,664 USD
View
11 more retailers have this diamond
Prices start from $12,376 NZDSave up to $4,800 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
$12,376 NZD