Heart|Natural|GIA

4.50ct G SI2 Heart Natural Diamond

EX • G/SI2 • GIA 6451091756

Certificate GIA 6451091756

Diamond specifications and retailer prices

From $46,948 USD
CA$65,205 CAD
As of October 30, 2026
Save $30,568 USD (39%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $77,516 USD 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 $46,948 to $77,516, a $30,568 spread on the same certified stone. MOH London lists it at $77,516. 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: $77,516 USD|Low: $46,948 USD|High: $78,450 USD|Avg: $56,788 USD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 4$46,948 USD
Retailer 3$50,247 USD
Retailer 6$52,650 USD
Retailer 7$54,675 USD
Retailer 5$55,688 USD
Retailer 2$58,708 USD
MOH London$77,516 USD

29 data points across 7 retailers

8 retailers$46,948 USD to $77,516 USD

A
Cheapest Retailer
-
$46,948 USD
CA$65,205 CAD
A
Retailer 2
-
$50,247 USD
£39,564 GBP
View
B+
Retailer 3
-
$51,702 USD
View
B+
Retailer 4
-
$52,650 USD
View
B+
Retailer 5
-
$54,675 USD
View
B+
Retailer 6
-
$55,688 USD
View
B+
Retailer 7
-
$58,708 USD
€55,912 EUR
View
Most Expensive
B+
MOH London
198291A77 · Nov 1
$77,516 USD
£61,036 GBP
View
7 more retailers have this diamond
Prices start from $46,948 USDSave up to $30,568 USD

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
$46,948 USD