Heart|Natural|GIA

1.51ct G SI1 Heart Natural Diamond

EX • G/SI1 • GIA 5232493398

Certificate GIA 5232493398

Diamond specifications and retailer prices

From €6,808 EUR
As of November 5, 2026
Save €7,824 EUR (53%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €14,632 EUR at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.51ct natural heart diamond

This 1.51ct natural heart sits in the one-and-a-half to two carat band, graded G 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 5232493398. Listed at 17 retailers as of November 5, 2026, with prices from €6,808 to €14,632, a €7,824 spread on the same certified stone. NZ Jewellers lists it at €14,632. 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
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5232493398
Dimensions7.25 × 8.28 × 4.51 mm
L/W Ratio1.14
Top View
7.25 mm8.28 mm1.51 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5232493398
Side View
Table 64.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 54.5%

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: Nov 5
Current: €14,632 EUR|Low: €6,850 EUR|High: €14,632 EUR|Avg: €9,244 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 7, 2026
Retailer 10€6,850 EUR
Retailer 3€7,316 EUR
Retailer 12€7,377 EUR
Retailer 6€7,539 EUR
Retailer 13€7,926 EUR
Retailer 11€8,048 EUR
Retailer 9€8,082 EUR
Retailer 2€8,110 EUR
Retailer 4€9,145 EUR
Retailer 5€9,631 EUR
Retailer 7€10,673 EUR
Retailer 8€12,159 EUR
NZ Jewellers€14,632 EUR

46 data points across 13 retailers

17 retailers€6,808 EUR to €14,632 EUR

B+
Cheapest Retailer
-
€6,808 EUR
B+
Retailer 2
-
€6,850 EUR
View
B
Retailer 3
-
€7,189 EUR
View
B
Retailer 4
-
€7,277 EUR
View
Retailer 5
-
€7,316 EUR
View
Price last confirmed 9 days ago
Retailer 6
-
€7,377 EUR
View
Price last confirmed 8 days ago
B
Retailer 7
-
€7,539 EUR
View
B
Retailer 8
-
€7,926 EUR
View
B
Retailer 9
-
€8,048 EUR
View
Retailer 10
-
€8,082 EUR
View
Price last confirmed 15 days ago
B
Retailer 11
-
€8,110 EUR
View
B
Retailer 12
-
€8,409 EUR
View
B
Retailer 13
-
€9,145 EUR
View
Retailer 14
-
€9,631 EUR
View
Price last confirmed 15 days ago
B
Retailer 15
-
€10,673 EUR
View
B
Retailer 16
-
€12,159 EUR
View
Most Expensive
B
NZ Jewellers
63285d76-08ad-4533-9be1-d0263cd1875d · Nov 5
€14,632 EUR
$16,336 USD
View
16 more retailers have this diamond
Prices start from €6,808 EURSave up to €7,824 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
€6,808 EUR