Round|Lab Grown|GIA

5.03ct D IF Round Lab Grown Diamond

EX • D/IF • GIA 6521353351

Certificate GIA 6521353351

Diamond specifications and retailer prices

From $14,533 USD
As of October 29, 2026
Save $25,434 USD (64%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $40,297 USD at Novita Diamonds · As of October 8, 2026
View at Novita Diamonds

About this 5.03ct lab-grown round diamond

This 5.03ct lab-grown round sits in the over five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 6521353351. Listed at 17 retailers as of October 22, 2026, with a 175% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

5.03
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabGIA
CertificateGIA 6521353351
Dimensions11.00 × 10.92 × 6.79 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
11.00 mm10.92 mm5.03 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6521353351
Side View
Table 56.0%Crown 34.5°Girdle: ThickPavilion 40.8°Culet: NoneDepth 61.9%

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: $40,297 USD|Low: $10,023 USD|High: $68,040 USD|Avg: $29,622 USD|+7.0%
Novita Diamonds
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
Retailer 18
Retailer 19
Retailer 20
Retailer 21
October 29, 2026
Retailer 9$10,023 USD
Retailer 17$14,533 USD
Retailer 16$14,871 USD
Retailer 3$15,228 USD
Retailer 8$15,917 USD
Retailer 6$17,016 USD
Retailer 15$17,071 USD
Retailer 19$17,757 USD
Retailer 21$17,846 USD
Retailer 2$18,139 USD
Retailer 11$21,126 USD
Retailer 14$25,056 USD
Retailer 20$29,950 USD
Retailer 5$30,150 USD
Retailer 7$32,304 USD
Retailer 13$32,979 USD
Retailer 4$39,967 USD
Novita Diamonds$40,297 USD
Retailer 12$51,034 USD
Retailer 10$57,912 USD
Retailer 18$66,620 USD

28 data points across 21 retailers

17 retailers$14,533 USD to $39,967 USD

A
Retailer 1
-
$10,023 USD
Price last confirmed 108 days ago
Returns within 30 days
A
Retailer 2
-
$14,533 USD
View
Returns within 30 days
A
Retailer 3
-
$14,871 USD
View
Returns within 21 days
B+
Retailer 4
-
$15,228 USD
View
B+
Retailer 5
-
$15,917 USD
View
Returns within 30 days
B+
Retailer 6
-
$17,016 USD
View
Final sale: no returns
B+
Retailer 7
-
$17,071 USD
View
Returns within 30 days
B+
Retailer 8
-
$17,757 USD
View
Returns within 30 days
B+
Retailer 9
-
$17,846 USD
View
Returns within 30 days
B+
Retailer 10
-
$18,139 USD
View
Returns within 30 days
B+
Retailer 11
-
$21,126 USD
View
Price last confirmed 7 days ago
Returns within 30 days
B+
Retailer 12
-
$29,950 USD
£23,583 GBP
View
B+
Retailer 13
-
$30,150 USD
View
Returns within 30 days
B+
Retailer 14
-
$32,979 USD
€31,409 EUR
View
Returns within 100 days
B
Retailer 15
-
$39,967 USD
A$61,487 AUD
View
Most Expensive
B
Novita Diamonds
cert_6521353351 · Oct 8
$40,297 USD
A$61,996 AUD
View
Price last confirmed 20 days ago
Returns within 30 days
15 more retailers have this diamond
Prices start from $14,533 USDSave up to $25,434 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
5.03ct Round
$14,533 USD