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Heart|Natural|GIA

1.50ct I SI2 Heart Natural Diamond

EX • I/SI2 • GIA 6451532909

Certificate GIA 6451532909

Diamond specifications and retailer prices

From €3,016 EUR
$3,370 USD
As of October 31, 2026
Save €3,230 EUR (52%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €6,247 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 1.5ct natural heart diamond

This 1.5ct natural heart sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6451532909. Listed at 17 retailers as of October 31, 2026, with prices from €3,016 to €6,247, a €3,230 spread on the same certified stone. MOH London lists it at €6,247. 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

1.50
Carat
I
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6451532909
Dimensions6.77 × 6.49 × 4.41 mm
L/W Ratio1.04
Top View
6.77 mm6.49 mm1.50 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6451532909
Side View
Table 60.0%CrownGirdle: THN-THKPavilionCulet: NoneDepth 67.9%

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: Oct 31
Current: €6,247 EUR|Low: €2,578 EUR|High: €6,322 EUR|Avg: €3,989 EUR|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 4€3,093 EUR
Retailer 5€3,280 EUR
Retailer 8€3,545 EUR
Retailer 6€3,553 EUR
Retailer 2€4,012 EUR
Retailer 3€4,168 EUR
Retailer 7€4,667 EUR
MOH London€6,247 EUR

43 data points across 8 retailers

17 retailers€3,016 EUR to €6,247 EUR

A
Cheapest Retailer
-
€3,016 EUR
$3,370 USD
A
Retailer 2
-
€3,093 EUR
$3,456 USD
View
A
Retailer 3
-
€3,127 EUR
$3,493 USD
View
A
Retailer 4
-
€3,280 EUR
$3,664 USD
View
Final sale: no returns
A
Retailer 5
-
€3,441 EUR
$3,844 USD
View
A
Retailer 6
-
€3,545 EUR
$3,960 USD
View
Retailer 7
-
€3,546 EUR
$3,962 USD
View
Price last confirmed 9 days ago
A
Retailer 8
-
€3,553 EUR
$3,969 USD
View
B+
Retailer 9
-
€3,835 EUR
$4,284 USD
View
B+
Retailer 10
-
€3,867 EUR
$4,320 USD
View
B+
Retailer 11
-
€3,912 EUR
$4,370 USD
View
B+
Retailer 12
-
€3,912 EUR
$4,370 USD
View
B+
Retailer 13
-
€4,012 EUR
£3,529 GBP
View
B+
Retailer 14
-
€4,046 EUR
$4,520 USD
View
B+
Retailer 15
-
€4,168 EUR
View
B
Retailer 16
-
€5,671 EUR
$6,336 USD
View
Most Expensive
B
MOH London
619597DDB · Nov 1
€6,247 EUR
£5,495 GBP
View
16 more retailers have this diamond
Prices start from €3,016 EURSave up to €3,230 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
1.50ct Heart
€3,016 EUR