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Round|Lab Grown|GIA

4.50ct D IF Round Lab Grown Diamond

EX • D/IF • GIA 5473905191

Certificate GIA 5473905191

Diamond specifications and retailer prices

From €6,582 EUR
$7,353 USD
As of October 29, 2026
Save €20,672 EUR (76%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €27,253 EUR at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 4.5ct lab-grown round diamond

This 4.5ct lab-grown round sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 5473905191. Listed at 18 retailers as of October 29, 2026, with prices from €6,582 to €27,253, a €20,672 spread on the same certified stone. Taylor and Hart lists it at €27,253. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.50
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.6°
OriginLab Grown
Grading LabGIA
CertificateGIA 5473905191
Dimensions10.67 × 10.62 × 6.49 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Top View
10.67 mm10.62 mm4.50 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5473905191
Side View
Table 56.0%Crown 34°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.0%

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 29
Current: €13,355 EUR|Low: €6,318 EUR|High: €43,027 EUR|Avg: €15,531 EUR|-38.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Taylor and Hart
October 31, 2026
Retailer 15€6,582 EUR
Retailer 6€6,839 EUR
Retailer 4€6,845 EUR
Retailer 14€7,590 EUR
Retailer 2€7,635 EUR
Retailer 17€7,635 EUR
Retailer 13€8,208 EUR
Retailer 5€8,363 EUR
Retailer 3€9,477 EUR
Retailer 9€9,624 EUR
Retailer 1€13,355 EUR
Retailer 11€15,728 EUR
Retailer 12€18,552 EUR
Retailer 16€19,116 EUR
Retailer 10€19,496 EUR
Taylor and Hart€27,253 EUR
Retailer 7€41,067 EUR
Retailer 8€42,855 EUR

32 data points across 18 retailers

18 retailers€6,582 EUR to €27,253 EUR

A
Cheapest Retailer
-
€6,582 EUR
$7,353 USD
A
Retailer 2
-
€6,839 EUR
$7,641 USD
View
A
Retailer 3
-
€6,845 EUR
$7,647 USD
View
B+
Retailer 4
-
€7,590 EUR
$8,480 USD
View
B+
Retailer 5
-
€7,635 EUR
$8,530 USD
View
Retailer 6
-
€7,635 EUR
$8,530 USD
View
Price last confirmed 15 days ago
Retailer 7
-
€8,208 EUR
$9,170 USD
View
Price last confirmed 11 days ago
B+
Retailer 8
-
€8,363 EUR
$9,343 USD
View
B+
Retailer 9
-
€9,477 EUR
$10,588 USD
View
B+
Retailer 10
-
€13,355 EUR
View
B+
Retailer 11
-
€15,728 EUR
£13,836 GBP
View
B
Retailer 12
-
€16,538 EUR
$18,476 USD
View
Retailer 13
-
€18,552 EUR
A$31,887 AUD
View
Price last confirmed 9 days ago
B
Retailer 14
-
€19,116 EUR
$21,356 USD
View
B
Retailer 15
-
€19,496 EUR
$21,781 USD
View
Most Expensive
B
Taylor and Hart
EB407M2 · Oct 30
€27,253 EUR
$30,448 USD
View
15 more retailers have this diamond
Prices start from €6,582 EURSave up to €20,672 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 Round
€6,582 EUR