Round|Lab Grown|GIA

4.50ct D IF Round Lab Grown Diamond

EX • D/IF • GIA 6531746996

Certificate GIA 6531746996

Diamond specifications and retailer prices

From €7,755 EUR
£6,822 GBP
As of October 30, 2026
Save €16,198 EUR (68%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €23,953 EUR at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

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 6531746996. Listed at 8 retailers as of October 29, 2026, with prices from €7,755 to €23,953, a €16,198 spread on the same certified stone. Brilliant Earth lists it at €23,953. 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 angle34.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabGIA
CertificateGIA 6531746996
Dimensions10.61 × 10.54 × 6.56 mm
L/W Ratio1.01
Top View
10.61 mm10.54 mm4.50 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6531746996
Side View
Table 56.0%Crown 34.5°GirdlePavilion 40.8°Culet: NoneDepth 62.0%

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: Oct 30
Current: €23,953 EUR|Low: €7,043 EUR|High: €49,740 EUR|Avg: €15,641 EUR|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 9€7,433 EUR
Retailer 2€7,755 EUR
Retailer 4€7,808 EUR
Retailer 7€8,119 EUR
Retailer 8€8,929 EUR
Retailer 6€11,242 EUR
Retailer 10€13,393 EUR
Retailer 3€16,145 EUR
Brilliant Earth€23,953 EUR
Retailer 5€48,720 EUR

22 data points across 10 retailers

8 retailers€7,755 EUR to €23,953 EUR

B+
Cheapest Retailer
-
€7,755 EUR
£6,822 GBP
B+
Retailer 2
-
€7,808 EUR
$8,723 USD
View
B+
Retailer 3
-
€8,119 EUR
$9,071 USD
View
B+
Retailer 4
-
€8,929 EUR
$9,975 USD
View
Final sale: no returns
B+
Retailer 5
-
€11,242 EUR
$12,560 USD
View
B+
Retailer 6
-
€16,145 EUR
£14,203 GBP
View
Most Expensive
B
Brilliant Earth
16217029Y · Oct 29
€23,953 EUR
$26,760 USD
View
6 more retailers have this diamond
Prices start from €7,755 EURSave up to €16,198 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+
4.50ct Round
€7,755 EUR