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Round|Lab Grown|GIA

4.50ct D IF Round Lab Grown Diamond

EX • D/IF • GIA 6515600951

Certificate GIA 6515600951

Diamond specifications and retailer prices

From $11,622 NZD
$6,550 USD
As of October 29, 2026
Save $35,859 NZD (76%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $72,516 NZD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

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 6515600951. Listed at 17 retailers as of October 29, 2026, with a 309% 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

4.50
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabGIA
CertificateGIA 6515600951
Dimensions10.62 × 10.58 × 6.54 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Top View
10.62 mm10.58 mm4.50 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6515600951
Side View
Table 56.0%Crown 34.5°Girdle: ThickPavilion 40.8°Culet: NoneDepth 61.7%

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: $72,516 NZD|Low: $9,707 NZD|High: $75,709 NZD|Avg: $27,103 NZD|-4.2%
Do Amore 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
October 31, 2026
Retailer 17$11,622 NZD
Retailer 12$12,087 NZD
Retailer 14$12,576 NZD
Retailer 16$14,931 NZD
Retailer 6$15,321 NZD
Retailer 13$15,758 NZD
Retailer 5$15,844 NZD
Retailer 8$16,311 NZD
Retailer 11$17,663 NZD
Retailer 9$22,404 NZD
Retailer 2$25,643 NZD
Retailer 15$27,610 NZD
Retailer 18$30,668 NZD
Retailer 3$34,093 NZD
Retailer 4$34,268 NZD
Retailer 7$47,480 NZD
Retailer 10$52,590 NZD
Do Amore Diamonds$72,516 NZD

34 data points across 18 retailers

17 retailers$11,622 NZD to $47,480 NZD

A
Cheapest Retailer
-
$11,622 NZD
$6,550 USD
A
Retailer 2
-
$12,087 NZD
$6,812 USD
View
B+
Retailer 3
-
$12,576 NZD
$7,088 USD
View
B+
Retailer 4
-
$14,931 NZD
$8,415 USD
View
Final sale: no returns
B+
Retailer 5
-
$15,321 NZD
$8,635 USD
View
B+
Retailer 6
-
$15,758 NZD
$8,881 USD
View
Retailer 7
-
$15,844 NZD
$8,930 USD
View
Price last confirmed 10 days ago
B+
Retailer 8
-
$16,311 NZD
$9,193 USD
View
B+
Retailer 9
-
$17,663 NZD
$9,955 USD
View
B+
Retailer 10
-
$22,404 NZD
$12,627 USD
View
B+
Retailer 11
-
$25,643 NZD
€13,764 EUR
View
B+
Retailer 12
-
$27,610 NZD
$15,561 USD
View
B+
Retailer 13
-
$30,668 NZD
£13,610 GBP
View
B
Retailer 14
-
$34,093 NZD
$19,215 USD
View
Retailer 15
-
$34,268 NZD
A$29,713 AUD
View
Price last confirmed 8 days ago
B
Retailer 16
-
$47,480 NZD
$26,760 USD
View
Most Expensive
Do Amore Diamonds
27-1AA80D7D0 · Oct 31
$72,516 NZD
$40,870 USD
View
Price under review
16 more retailers have this diamond
Prices start from $11,622 NZDSave up to $35,859 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
4.50ct Round
$11,622 NZD