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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 £10,937 GBP
$14,533 USD
As of October 29, 2026
Save £19,141 GBP (64%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £30,327 GBP 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
Colour
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: £30,327 GBP|Low: £7,543 GBP|High: £51,206 GBP|Avg: £22,293 GBP|+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£7,543 GBP
Retailer 17£10,937 GBP
Retailer 16£11,192 GBP
Retailer 3£11,460 GBP
Retailer 8£11,979 GBP
Retailer 6£12,806 GBP
Retailer 15£12,847 GBP
Retailer 19£13,364 GBP
Retailer 21£13,431 GBP
Retailer 2£13,651 GBP
Retailer 11£15,899 GBP
Retailer 14£18,857 GBP
Retailer 20£22,540 GBP
Retailer 5£22,690 GBP
Retailer 7£24,311 GBP
Retailer 13£24,820 GBP
Retailer 4£30,078 GBP
Novita Diamonds£30,327 GBP
Retailer 12£38,407 GBP
Retailer 10£43,583 GBP
Retailer 18£50,137 GBP

28 data points across 21 retailers

17 retailers£10,937 GBP to £30,078 GBP

A
Retailer 1
-
£7,543 GBP
$10,023 USD
Price last confirmed 108 days ago
Returns within 30 days
A
Retailer 2
-
£10,937 GBP
$14,533 USD
View
Returns within 30 days
A
Retailer 3
-
£11,192 GBP
$14,871 USD
View
Returns within 21 days
B+
Retailer 4
-
£11,460 GBP
$15,228 USD
View
B+
Retailer 5
-
£11,979 GBP
$15,917 USD
View
Returns within 30 days
B+
Retailer 6
-
£12,806 GBP
$17,016 USD
View
Final sale: no returns
B+
Retailer 7
-
£12,847 GBP
$17,071 USD
View
Returns within 30 days
B+
Retailer 8
-
£13,364 GBP
$17,757 USD
View
Returns within 30 days
B+
Retailer 9
-
£13,431 GBP
$17,846 USD
View
Returns within 30 days
B+
Retailer 10
-
£13,651 GBP
$18,139 USD
View
Returns within 30 days
B+
Retailer 11
-
£15,899 GBP
$21,126 USD
View
Price last confirmed 7 days ago
Returns within 30 days
B+
Retailer 12
-
£22,540 GBP
View
B+
Retailer 13
-
£22,690 GBP
$30,150 USD
View
Returns within 30 days
B+
Retailer 14
-
£24,820 GBP
€31,409 EUR
View
Returns within 100 days
B
Retailer 15
-
£30,078 GBP
A$61,487 AUD
View
Most Expensive
B
Novita Diamonds
cert_6521353351 · Oct 8
£30,327 GBP
A$61,996 AUD
View
Price last confirmed 20 days ago
Returns within 30 days
15 more retailers have this diamond
Prices start from £10,937 GBPSave up to £19,141 GBP

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
£10,937 GBP