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Heart|Natural|GIA

0.70ct J SI1 Heart Natural Diamond

EX • J/SI1 • GIA 6525168299

Certificate GIA 6525168299

Diamond specifications and retailer prices

From $839 NZD
$472 USD
As of November 2, 2026
Save $243 NZD (22%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $1,082 NZD at Blue Nile · As of November 3, 2026
View at Blue Nile

About this 0.7ct natural heart diamond

This 0.7ct natural heart sits in the half to three-quarter carat band, graded J 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 6525168299. Listed at 4 retailers as of November 2, 2026, with prices from $839 to $1,082, a $243 spread on the same certified stone. Blue Nile lists it at $1,082. 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

0.70
Carat
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6525168299
Dimensions5.42 × 6.18 × 3.67 mm
L/W Ratio1.14
Top View
5.42 mm6.18 mm0.70 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6525168299
Side View
Table 60.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 59.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $1,082 NZD|Low: $771 NZD|High: $1,260 NZD|Avg: $992 NZD|-14.1%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
November 3, 2026
Retailer 4$839 NZD
Retailer 3$918 NZD
Retailer 2$1,054 NZD
Blue Nile$1,082 NZD

40 data points across 4 retailers

4 retailers$839 NZD to $1,082 NZD

A
Cheapest Retailer
-
$839 NZD
$472 USD
Final sale: no returns
A
Retailer 2
-
$918 NZD
SGD 698 SGD
View
A
Retailer 3
-
$1,054 NZD
£467 GBP
View
Most Expensive
A
Blue Nile
25092551 · Nov 3
$1,082 NZD
$609 USD
View
3 more retailers have this diamond
Prices start from $839 NZDSave up to $243 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
0.70ct Heart
$839 NZD