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Heart|Natural|GIA

1.51ct D SI2 Heart Natural Diamond

EX • D/SI2 • GIA 6382477786

Certificate GIA 6382477786

Diamond specifications and retailer prices

From €6,981 EUR
$7,799 USD
As of October 31, 2026
Save €2,242 EUR (24%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €9,223 EUR at 77 Diamonds · As of October 28, 2026
View at 77 Diamonds

About this 1.51ct natural heart diamond

This 1.51ct natural heart sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6382477786. Listed at 6 retailers as of October 28, 2026, with prices from €6,981 to €9,223, a €2,242 spread on the same certified stone. 77 Diamonds lists it at €9,223. 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

1.51
Carat
D
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6382477786
Dimensions6.93 × 8.14 × 4.56 mm
L/W Ratio1.17
Top View
6.93 mm8.14 mm1.51 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6382477786
Side View
Table 62.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 56.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: €9,223 EUR|Low: €6,897 EUR|High: €9,325 EUR|Avg: €8,338 EUR|+1.4%
77 Diamonds
Retailer 2
Retailer 3
October 29, 2026
Retailer 3€6,981 EUR
Retailer 2€8,800 EUR
77 Diamonds€9,223 EUR

30 data points across 3 retailers

6 retailers€6,981 EUR to €9,223 EUR

B+
Cheapest Retailer
-
€6,981 EUR
$7,799 USD
B+
Retailer 2
-
€7,313 EUR
$8,170 USD
View
B+
Retailer 3
-
€7,636 EUR
$8,531 USD
View
B
Retailer 4
-
€8,800 EUR
$9,831 USD
View
Retailer 5
-
€8,800 EUR
$9,831 USD
View
Price last confirmed 18 days ago
Most Expensive
B
77 Diamonds
HSZZFWCNZ7R · Oct 28
€9,223 EUR
£8,113 GBP
View
5 more retailers have this diamond
Prices start from €6,981 EURSave up to €2,242 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.

B+
1.51ct Heart
€6,981 EUR