Round|Lab Grown|GCAL

4.18ct D IF Round Lab Grown Diamond

EX • D/IF • GCAL 360726351

Shape and cutting style on the report: Round brilliant

Certificate GCAL 360726351

Diamond specifications and retailer prices

From $8,226 NZD
$4,636 USD
As of October 31, 2026
Save $52,207 NZD (86%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $60,433 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 GCAL 360726351. Listed at 9 retailers as of October 31, 2026, with prices from $8,226 to $60,433, a $52,207 spread on the same certified stone. Do Amore Diamonds lists it at $60,433. 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 LabGCAL
CertificateGCAL 360726351
Dimensions10.28 × 10.31 × 6.38 mm
L/W Ratio1.00
Culet sizeNone
Top View
10.28 mm10.31 mm4.18 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGCAL 360726351
Side View
Table 57.0%Crown 34.5°Girdle: THN-MEDPavilion 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 31
Current: $60,433 NZD|Low: $8,226 NZD|High: $60,433 NZD|Avg: $26,735 NZD
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
October 28, 2026
Retailer 2$8,226 NZD
Retailer 7$9,744 NZD
Retailer 3$14,540 NZD
Retailer 8$15,545 NZD
Retailer 4$17,335 NZD
Retailer 5$27,257 NZD
Retailer 6$29,557 NZD
Retailer 10$32,594 NZD
Retailer 11$32,594 NZD
Retailer 12$35,472 NZD
Retailer 9$37,450 NZD
Do Amore Diamonds$60,433 NZD

4 data points across 12 retailers

9 retailers$8,226 NZD to $60,433 NZD

A
Cheapest Retailer
-
$8,226 NZD
$4,636 USD
A
Retailer 2
-
$9,744 NZD
CA$7,627 CAD
View
Retailer 3
-
$15,545 NZD
$8,761 USD
View
Price last confirmed 13 days ago
B+
Retailer 4
-
$17,335 NZD
$9,770 USD
View
B
Retailer 5
-
$27,257 NZD
$15,362 USD
View
B
Retailer 6
-
$32,594 NZD
$18,370 USD
View
B
Retailer 7
-
$32,594 NZD
$18,370 USD
View
B
Retailer 8
-
$35,472 NZD
$19,992 USD
View
Most Expensive
B
Do Amore Diamonds
32-360726351 · Oct 31
$60,433 NZD
$34,060 USD
View
8 more retailers have this diamond
Prices start from $8,226 NZDSave up to $52,207 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
$8,226 NZD