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Heart|Natural|GIA

0.71ct I SI1 Heart Natural Diamond

EX • I/SI1 • GIA 6551621588

Certificate GIA 6551621588

Diamond specifications and retailer prices

From $1,276 NZD
SGD 970 SGD
As of November 1, 2026
Save $443 NZD (26%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,938 NZD at Wholesale Diamonds Direct · As of October 14, 2026
View at Wholesale Diamonds Direct

About this 0.71ct natural heart diamond

This 0.71ct natural heart sits in the half to three-quarter carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6551621588. Listed at 7 retailers as of November 1, 2026, with a 35% 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

0.71
Carat
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.44°
Pavilion angle39.07°
OriginNatural
Grading LabGIA
CertificateGIA 6551621588
Dimensions5.38 × 6.09 × 3.64 mm
L/W Ratio1.13
Culet sizeNone
Top View
5.38 mm6.09 mm0.71 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6551621588
Side View
Table 60.0%Crown 38.44°Girdle: STK-VTKPavilion 39.07°Culet: NoneDepth 59.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $1,430 NZD|Low: $865 NZD|High: $2,539 NZD|Avg: $1,571 NZD|+5.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Wholesale Diamonds Direct
November 2, 2026
Retailer 10$865 NZD
Retailer 4$1,252 NZD
Retailer 7$1,276 NZD
Retailer 8$1,333 NZD
Retailer 5$1,345 NZD
Retailer 1$1,430 NZD
Retailer 6$1,660 NZD
Retailer 2$1,719 NZD
Retailer 3$1,871 NZD
Wholesale Diamonds Direct$1,938 NZD
Retailer 9$2,539 NZD

19 data points across 11 retailers

7 retailers$1,276 NZD to $1,719 NZD

Retailer 1
-
$1,252 NZD
SGD 952 SGD
Price last confirmed 13 days ago
B+
Retailer 2
-
$1,276 NZD
SGD 970 SGD
View
B+
Retailer 3
-
$1,345 NZD
$757 USD
View
B+
Retailer 4
-
$1,430 NZD
£634 GBP
View
Retailer 5
-
$1,660 NZD
$934 USD
View
Price last confirmed 19 days ago
B
Retailer 6
-
$1,719 NZD
$967 USD
View
Most Expensive
Wholesale Diamonds Direct
419410486 · Oct 14
$1,938 NZD
$1,090 USD
View
Price last confirmed 19 days ago
6 more retailers have this diamond
Prices start from $1,276 NZDSave up to $443 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.

B+
0.71ct Heart
$1,276 NZD