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Heart|Natural|GIA

1.80ct D SI1 Heart Natural Diamond

ID • D/SI1 • GIA 6442187096

Certificate GIA 6442187096

Diamond specifications and retailer prices

From €6,242 EUR
HK$54,700 HKD
As of November 1, 2026
Save €7,229 EUR (54%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €13,472 EUR at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.8ct natural heart diamond

This 1.8ct 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 6442187096. Listed at 22 retailers as of October 30, 2026, with prices from €6,242 to €13,472, a €7,229 spread on the same certified stone. NZ Jewellers lists it at €13,472. 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

1.80
Carat
D
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle38.58°
OriginNatural
Grading LabGIA
CertificateGIA 6442187096
Dimensions8.19 × 6.84 × 5.13 mm
L/W Ratio1.20
Top View
8.19 mm6.84 mm1.80 ctD / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6442187096
Side View
Table 60.0%Crown 38.58°Girdle: STK-VTKPavilionCulet: NoneDepth 62.6%

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: €7,536 EUR|Low: €6,371 EUR|High: €11,360 EUR|Avg: €8,064 EUR|-1.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 3€6,386 EUR
Retailer 7€7,225 EUR
Retailer 8€7,435 EUR
Retailer 2€7,512 EUR
Retailer 1€7,536 EUR
Retailer 6€7,587 EUR
Retailer 5€9,896 EUR
Retailer 4€11,226 EUR

30 data points across 8 retailers

22 retailers€6,242 EUR to €13,472 EUR

A
Cheapest Retailer
-
€6,242 EUR
HK$54,700 HKD
A
Retailer 2
-
€6,386 EUR
₹682,107 INR
View
B+
Retailer 3
-
€6,815 EUR
$7,644 USD
View
Retailer 4
-
€6,908 EUR
SGD 10,470 SGD
View
Price last confirmed 21 days ago
B+
Retailer 5
-
€6,961 EUR
$7,808 USD
View
B+
Retailer 6
-
€7,225 EUR
SGD 10,951 SGD
View
B+
Retailer 7
-
€7,231 EUR
$8,110 USD
View
B+
Retailer 8
-
€7,257 EUR
$8,140 USD
View
B+
Retailer 9
-
€7,391 EUR
$8,290 USD
View
B+
Retailer 10
-
€7,435 EUR
$8,339 USD
View
B+
Retailer 11
-
€7,435 EUR
$8,339 USD
View
Final sale: no returns
B+
Retailer 12
-
€7,512 EUR
£6,634 GBP
View
B+
Retailer 13
-
€7,536 EUR
£6,655 GBP
View
Retailer 14
-
€7,587 EUR
A$13,092 AUD
View
Price last confirmed 9 days ago
B+
Retailer 15
-
€8,055 EUR
$9,034 USD
View
B+
Retailer 16
-
€8,178 EUR
$9,173 USD
View
B+
Retailer 17
-
€8,432 EUR
$9,458 USD
View
B
Retailer 18
-
€8,547 EUR
$9,586 USD
View
B+
Retailer 19
-
€9,294 EUR
$10,424 USD
View
B+
Retailer 20
-
€9,896 EUR
ZAR 179,303 ZAR
View
B
Retailer 21
-
€11,226 EUR
£9,914 GBP
View
Most Expensive
B
NZ Jewellers
a618d29c-7b39-4c36-8162-91f4522f4d77 · Oct 30
€13,472 EUR
$15,110 USD
View
21 more retailers have this diamond
Prices start from €6,242 EURSave up to €7,229 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
1.80ct Heart
€6,242 EUR