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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 $25,891 NZD
$14,533 USD
As of October 29, 2026
Save $45,310 NZD (64%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $71,790 NZD 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: $71,790 NZD|Low: $17,857 NZD|High: $121,213 NZD|Avg: $52,773 NZD|+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$17,857 NZD
Retailer 18$25,891 NZD
Retailer 17$26,493 NZD
Retailer 3$27,129 NZD
Retailer 8$28,356 NZD
Retailer 6$30,314 NZD
Retailer 16$30,412 NZD
Retailer 20$31,634 NZD
Retailer 21$31,793 NZD
Retailer 13$32,315 NZD
Retailer 11$37,636 NZD
Retailer 14$44,637 NZD
Retailer 2$53,569 NZD
Retailer 5$53,712 NZD
Retailer 7$57,549 NZD
Retailer 15$58,753 NZD
Retailer 4$71,200 NZD
Novita Diamonds$71,790 NZD
Retailer 12$90,917 NZD
Retailer 10$103,170 NZD
Retailer 19$118,684 NZD

28 data points across 21 retailers

17 retailers$25,891 NZD to $71,200 NZD

A
Retailer 1
-
$17,857 NZD
$10,023 USD
Price last confirmed 108 days ago
Returns within 30 days
A
Retailer 2
-
$25,891 NZD
$14,533 USD
View
Returns within 30 days
A
Retailer 3
-
$26,493 NZD
$14,871 USD
View
Returns within 21 days
B+
Retailer 4
-
$27,129 NZD
$15,228 USD
View
B+
Retailer 5
-
$28,356 NZD
$15,917 USD
View
Returns within 30 days
B+
Retailer 6
-
$30,314 NZD
$17,016 USD
View
Final sale: no returns
B+
Retailer 7
-
$30,412 NZD
$17,071 USD
View
Returns within 30 days
B+
Retailer 8
-
$31,634 NZD
$17,757 USD
View
Returns within 30 days
B+
Retailer 9
-
$31,793 NZD
$17,846 USD
View
Returns within 30 days
B+
Retailer 10
-
$32,315 NZD
$18,139 USD
View
Returns within 30 days
B+
Retailer 11
-
$37,636 NZD
$21,126 USD
View
Price last confirmed 7 days ago
Returns within 30 days
B+
Retailer 12
-
$53,569 NZD
£23,677 GBP
View
B+
Retailer 13
-
$53,712 NZD
$30,150 USD
View
Returns within 30 days
B+
Retailer 14
-
$58,753 NZD
€31,409 EUR
View
Returns within 100 days
B
Retailer 15
-
$71,200 NZD
A$61,487 AUD
View
Most Expensive
B
Novita Diamonds
cert_6521353351 · Oct 8
$71,790 NZD
A$61,996 AUD
View
Price last confirmed 20 days ago
Returns within 30 days
15 more retailers have this diamond
Prices start from $25,891 NZDSave up to $45,310 NZD

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
$25,891 NZD