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Heart|Natural|GIA

4.50ct G SI2 Heart Natural Diamond

EX • G/SI2 • GIA 6451091756

Certificate GIA 6451091756

Diamond specifications and retailer prices

From €42,022 EUR
CA$65,205 CAD
As of October 30, 2026
Save €27,361 EUR (39%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €69,384 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 4.5ct natural heart diamond

This 4.5ct natural heart sits in the three to five carat band, graded G 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 6451091756. Listed at 8 retailers as of October 30, 2026, with prices from €42,022 to €69,384, a €27,361 spread on the same certified stone. MOH London lists it at €69,384. 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

4.50
Carat
G
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6451091756
Dimensions10.36 × 11.12 × 6.31 mm
L/W Ratio1.07
Top View
10.36 mm11.12 mm4.50 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 6451091756
Side View
Table 58.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 56.7%

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 30
Current: €69,384 EUR|Low: €42,022 EUR|High: €70,220 EUR|Avg: €50,830 EUR|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 4€42,022 EUR
Retailer 3€44,975 EUR
Retailer 6€47,126 EUR
Retailer 7€48,939 EUR
Retailer 5€49,845 EUR
Retailer 2€52,549 EUR
MOH London€69,384 EUR

29 data points across 7 retailers

8 retailers€42,022 EUR to €69,384 EUR

A
Cheapest Retailer
-
€42,022 EUR
CA$65,205 CAD
A
Retailer 2
-
€44,975 EUR
£39,564 GBP
View
B+
Retailer 3
-
€46,278 EUR
$51,702 USD
View
B+
Retailer 4
-
€47,126 EUR
$52,650 USD
View
B+
Retailer 5
-
€48,939 EUR
$54,675 USD
View
B+
Retailer 6
-
€49,845 EUR
$55,688 USD
View
B+
Retailer 7
-
€52,549 EUR
View
Most Expensive
B+
MOH London
198291A77 · Nov 1
€69,384 EUR
£61,036 GBP
View
7 more retailers have this diamond
Prices start from €42,022 EURSave up to €27,361 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
4.50ct Heart
€42,022 EUR