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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 €421 EUR
$472 USD
As of November 2, 2026
Save €122 EUR (22%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: €543 EUR at Blue Nile · As of October 31, 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 October 31, 2026, with prices from €421 to €543, a €122 spread on the same certified stone. Blue Nile lists it at €543. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: €543 EUR|Low: €387 EUR|High: €632 EUR|Avg: €497 EUR|-14.1%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
November 3, 2026
Retailer 4€421 EUR
Retailer 3€461 EUR
Retailer 2€529 EUR
Blue Nile€543 EUR

40 data points across 4 retailers

4 retailers€421 EUR to €543 EUR

A
Cheapest Retailer
-
€421 EUR
$472 USD
Final sale: no returns
A
Retailer 2
-
€461 EUR
SGD 698 SGD
View
A
Retailer 3
-
€529 EUR
£467 GBP
View
Most Expensive
A
Blue Nile
25092551 · Oct 31
€543 EUR
$609 USD
View
3 more retailers have this diamond
Prices start from €421 EURSave up to €122 EUR

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
€421 EUR