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Heart|Natural|GIA

0.80ct K SI1 Heart Natural Diamond

EX • K/SI1 • GIA 2537540172

Certificate GIA 2537540172

Diamond specifications and retailer prices

From €528 EUR
As of November 5, 2026
Save €1,129 EUR (68%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €1,658 EUR at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 0.8ct natural heart diamond

This 0.8ct natural heart sits in the just-under-one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2537540172. Listed at 12 retailers as of November 5, 2026, with prices from €528 to €1,658, a €1,129 spread on the same certified stone. NZ Jewellers lists it at €1,658. 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

0.80
Carat
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2537540172
Dimensions5.45 × 6.32 × 3.83 mm
L/W Ratio1.16
Top View
5.45 mm6.32 mm0.80 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2537540172
Side View
Table 59.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 60.6%

Caratlytics Score

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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 5
Current: €1,658 EUR|Low: €528 EUR|High: €1,712 EUR|Avg: €782 EUR|-3.1%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 7€528 EUR
Retailer 10€570 EUR
Retailer 4€571 EUR
Retailer 11€610 EUR
Retailer 12€610 EUR
Retailer 6€642 EUR
Retailer 5€646 EUR
Retailer 2€663 EUR
Retailer 8€699 EUR
Retailer 9€781 EUR
Retailer 3€1,219 EUR
NZ Jewellers€1,658 EUR

24 data points across 12 retailers

12 retailers€528 EUR to €1,658 EUR

A
Cheapest Retailer
-
€528 EUR
A
Retailer 2
-
€570 EUR
View
Retailer 3
-
€571 EUR
View
Price last confirmed 8 days ago
A
Retailer 4
-
€610 EUR
View
A
Retailer 5
-
€610 EUR
View
A
Retailer 6
-
€642 EUR
View
A
Retailer 7
-
€646 EUR
View
A
Retailer 8
-
€663 EUR
View
A
Retailer 9
-
€699 EUR
View
A
Retailer 10
-
€781 EUR
View
B+
Retailer 11
-
€1,219 EUR
View
Most Expensive
B
NZ Jewellers
b9fee9c8-b4ca-4da6-bbd9-790bdcde0d82 · Nov 5
€1,658 EUR
$1,851 USD
View
11 more retailers have this diamond
Prices start from €528 EURSave up to €1,129 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
0.80ct Heart
€528 EUR