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Round|Lab Grown|GIA

4.18ct D IF Round Lab Grown Diamond

EX • D/IF • GIA 1515744293

Certificate GIA 1515744293

Diamond specifications and retailer prices

From $9,237 NZD
$5,206 USD
As of October 29, 2026
Save $46,150 NZD (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $63,555 NZD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 4.18ct lab-grown round diamond

This 4.18ct 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 1515744293. Listed at 16 retailers as of October 29, 2026, with a 500% 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

4.18
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabGIA
CertificateGIA 1515744293
Dimensions10.32 × 10.33 × 6.33 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Girdle conditionFaceted
Top View
10.32 mm10.33 mm4.18 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1515744293
Side View
Table 58.0%Crown 34.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.3%

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: $63,555 NZD|Low: $8,868 NZD|High: $63,875 NZD|Avg: $24,416 NZD|-0.5%
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
October 30, 2026
Retailer 10$9,237 NZD
Retailer 14$9,681 NZD
Retailer 4$9,707 NZD
Retailer 12$10,715 NZD
Retailer 9$10,743 NZD
Retailer 13$14,040 NZD
Retailer 3$15,483 NZD
Retailer 8$18,591 NZD
Retailer 7$24,197 NZD
Retailer 11$26,568 NZD
Retailer 2$27,228 NZD
Retailer 6$41,559 NZD
Retailer 5$55,387 NZD
Do Amore Diamonds$63,555 NZD

27 data points across 14 retailers

16 retailers$9,237 NZD to $55,387 NZD

A
Cheapest Retailer
-
$9,237 NZD
$5,206 USD
A
Retailer 2
-
$9,681 NZD
$5,456 USD
View
A
Retailer 3
-
$9,707 NZD
$5,471 USD
View
A
Retailer 4
-
$10,715 NZD
$6,039 USD
View
Retailer 5
-
$10,715 NZD
$6,039 USD
View
Price last confirmed 16 days ago
A
Retailer 6
-
$10,743 NZD
$6,055 USD
View
B+
Retailer 7
-
$14,040 NZD
$7,913 USD
View
B+
Retailer 8
-
$15,483 NZD
$8,726 USD
View
B+
Retailer 9
-
$18,591 NZD
€9,979 EUR
View
B+
Retailer 10
-
$24,197 NZD
£10,738 GBP
View
B
Retailer 11
-
$26,568 NZD
$14,974 USD
View
B+
Retailer 12
-
$27,228 NZD
$15,346 USD
View
B
Retailer 13
-
$29,560 NZD
$16,660 USD
View
B
Retailer 14
-
$41,559 NZD
$23,423 USD
View
B
Retailer 15
-
$55,387 NZD
$31,216 USD
View
Most Expensive
Do Amore Diamonds
27-0A710EC7F · Oct 31
$63,555 NZD
$35,820 USD
View
Price under review
15 more retailers have this diamond
Prices start from $9,237 NZDSave up to $46,150 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
4.18ct Round
$9,237 NZD