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Round|Lab Grown|GIA

4.50ct D IF Round Lab Grown Diamond

EX • D/IF • GIA 6462603452

Certificate GIA 6462603452

Diamond specifications and retailer prices

From $8,858 USD
£6,975 GBP
Save $26,460 USD (75%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $35,318 USD at Taylor and Hart
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 6462603452. Listed at 23 retailers, with prices from $8,858 to $35,318 at Taylor and Hart, a $26,460 spread on the same certified stone. 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 angle35°
Pavilion angle40.6°
OriginLab Grown
Grading LabGIA
CertificateGIA 6462603452
Dimensions10.63 × 10.68 × 6.54 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
10.63 mm10.68 mm4.50 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6462603452
Side View
Table 55.0%Crown 35°GirdlePavilion 40.6°Culet: NoneDepth 61.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 1
Current: $8,858 USD|Low: $7,824 USD|High: $42,325 USD|Avg: $17,863 USD|-0.2%
Retailer 1
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Retailer 23
Taylor and Hart
October 1, 2026
Retailer 1$8,858 USD
Retailer 23$9,782 USD
Retailer 21$9,879 USD
Retailer 22$10,173 USD
Retailer 15$10,368 USD
Retailer 3$10,634 USD
Retailer 4$10,955 USD
Retailer 6$11,190 USD
Retailer 14$11,215 USD
Retailer 7$11,347 USD
Retailer 10$11,589 USD
Retailer 9$11,863 USD
Retailer 13$13,263 USD
Retailer 18$13,434 USD
Retailer 5$16,261 USD
Retailer 20$18,448 USD
Retailer 12$20,092 USD
Retailer 2$23,245 USD
Retailer 17$23,713 USD
Retailer 8$23,782 USD
Retailer 16$24,543 USD
Retailer 19$24,869 USD
Retailer 11$29,298 USD
Taylor and Hart$35,318 USD

38 data points across 24 retailers

23 retailers$8,858 USD to $35,318 USD

B+
Cheapest Retailer
-
$8,858 USD
£6,975 GBP
B+
Retailer 2
-
$9,782 USD
View
B+
Retailer 3
-
$9,879 USD
View
B+
Retailer 4
-
$10,173 USD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$10,634 USD
View
B+
Retailer 6
-
$10,955 USD
View
B+
Retailer 7
-
$11,190 USD
View
B+
Retailer 8
-
$11,215 USD
View
B+
Retailer 9
-
$11,347 USD
View
B+
Retailer 10
-
$11,589 USD
View
B+
Retailer 11
-
$11,863 USD
View
B+
Retailer 12
-
$13,263 USD
View
B+
Retailer 13
-
$13,464 USD
£10,602 GBP
View
B
Retailer 14
-
$16,261 USD
£12,804 GBP
View
B
Retailer 15
-
$18,448 USD
£14,526 GBP
View
B
Retailer 16
-
$20,092 USD
A$30,910 AUD
View
B
Retailer 17
-
$23,245 USD
View
B
Retailer 18
-
$23,713 USD
ZAR 383,089 ZAR
View
B
Retailer 19
-
$23,782 USD
A$36,588 AUD
View
B
Retailer 20
-
$24,543 USD
€23,374 EUR
View
Price last confirmed 48 days ago
B
Retailer 21
-
$24,869 USD
A$38,260 AUD
View
B
Retailer 22
-
$29,298 USD
View
Most Expensive
B
Taylor and Hart
TNKOKZ2 · Sep 30
$35,318 USD
View
22 more retailers have this diamond
Prices start from $8,858 USDSave up to $26,460 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.

B+
4.50ct Round
$8,858 USD