Heart|Natural|GIA

1.81ct D SI1 Heart Natural Diamond

EX • D/SI1 • GIA 6511982574

Certificate GIA 6511982574

Diamond specifications and retailer prices

From €5,192 EUR
$5,800 USD
As of October 30, 2026
Save €2,032 EUR (28%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €7,223 EUR at Jared · As of October 30, 2026
View at Jared

About this 1.81ct natural heart diamond

This 1.81ct 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 6511982574. Listed at 11 retailers as of October 30, 2026, with prices from €5,192 to €7,223, a €2,032 spread on the same certified stone. Jared lists it at €7,223. 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

1.81
Carat
D
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6511982574
Dimensions7.56 × 8.24 × 4.73 mm
L/W Ratio1.09
Top View
7.56 mm8.24 mm1.81 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6511982574
Side View
Table 59.0%CrownGirdle: THN-VTKPavilionCulet: NoneDepth 57.4%

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: Oct 30
Current: €7,223 EUR|Low: €5,192 EUR|High: €8,195 EUR|Avg: €6,869 EUR|-11.6%
Jared
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 10€5,192 EUR
Retailer 5€5,396 EUR
Retailer 9€5,513 EUR
Retailer 3€5,581 EUR
Retailer 6€6,431 EUR
Retailer 8€6,533 EUR
Retailer 7€6,991 EUR
Retailer 11€6,991 EUR
Retailer 4€6,992 EUR
Retailer 2€7,170 EUR
Jared€7,223 EUR

39 data points across 11 retailers

11 retailers€5,192 EUR to €7,223 EUR

A
Cheapest Retailer
-
€5,192 EUR
$5,800 USD
A
Retailer 2
-
€5,396 EUR
$6,029 USD
View
A
Retailer 3
-
€5,513 EUR
$6,159 USD
View
A
Retailer 4
-
€5,581 EUR
$6,235 USD
View
B+
Retailer 5
-
€6,431 EUR
$7,185 USD
View
B+
Retailer 6
-
€6,533 EUR
$7,299 USD
View
B+
Retailer 7
-
€6,991 EUR
$7,810 USD
View
B+
Retailer 8
-
€6,991 EUR
$7,810 USD
View
B+
Retailer 9
-
€6,992 EUR
£6,151 GBP
View
B+
Retailer 10
-
€7,170 EUR
View
Most Expensive
B+
Jared
154770093 · Oct 30
€7,223 EUR
$8,070 USD
View
10 more retailers have this diamond
Prices start from €5,192 EURSave up to €2,032 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
1.81ct Heart
€5,192 EUR