CaratHunter
Plans
Round|Lab Grown|GCAL

4.20ct D IF Round Lab Grown Diamond

EX • D/IF • GCAL 361266140

Shape and cutting style on the report: Round brilliant

Certificate GCAL 361266140

Diamond specifications and retailer prices

From $7,401 NZD
$4,171 USD
As of October 31, 2026
Save $51,080 NZD (87%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $58,481 NZD at Kay Jewelers · As of October 30, 2026
View at Kay Jewelers

About this 4.2ct lab-grown round diamond

This 4.2ct 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 361266140. Listed at 17 retailers as of October 30, 2026, with prices from $7,401 to $58,481, a $51,080 spread on the same certified stone. Kay Jewelers lists it at $58,481. 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

4.20
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.6°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 361266140
Dimensions10.36 × 10.32 × 6.40 mm
L/W Ratio1.00
Culet sizeNone
Top View
10.36 mm10.32 mm4.20 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGCAL 361266140
Side View
Table 56.0%Crown 34.5°Girdle: Slightly ThickPavilion 40.6°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: $58,481 NZD|Low: $7,401 NZD|High: $58,481 NZD|Avg: $19,106 NZD|+78.5%
Kay Jewelers
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
October 31, 2026
Retailer 16$7,401 NZD
Retailer 13$8,059 NZD
Retailer 14$8,446 NZD
Retailer 7$9,024 NZD
Retailer 6$9,349 NZD
Retailer 15$9,349 NZD
Retailer 11$11,939 NZD
Retailer 8$12,250 NZD
Retailer 2$12,500 NZD
Retailer 4$13,444 NZD
Retailer 9$21,109 NZD
Retailer 12$23,698 NZD
Retailer 5$37,050 NZD
Retailer 3$55,447 NZD
Kay Jewelers$58,481 NZD
Retailer 10$58,481 NZD

42 data points across 16 retailers

17 retailers$7,401 NZD to $58,481 NZD

A
Cheapest Retailer
-
$7,401 NZD
$4,171 USD
A
Retailer 2
-
$8,059 NZD
$4,542 USD
View
A
Retailer 3
-
$8,446 NZD
$4,760 USD
View
A
Retailer 4
-
$9,024 NZD
$5,086 USD
View
Final sale: no returns
A
Retailer 5
-
$9,349 NZD
$5,269 USD
View
Retailer 6
-
$9,349 NZD
$5,269 USD
View
Price last confirmed 15 days ago
B+
Retailer 7
-
$11,939 NZD
$6,729 USD
View
B+
Retailer 8
-
$12,250 NZD
$6,904 USD
View
B+
Retailer 9
-
$12,500 NZD
£5,547 GBP
View
B+
Retailer 10
-
$17,424 NZD
$9,820 USD
View
B+
Retailer 11
-
$21,109 NZD
£9,368 GBP
View
B+
Retailer 12
-
$23,698 NZD
$13,356 USD
View
B
Retailer 13
-
$29,647 NZD
$16,709 USD
View
B
Retailer 14
-
$37,050 NZD
$20,882 USD
View
B
Retailer 15
-
$55,447 NZD
$31,250 USD
View
B
Retailer 16
-
$58,481 NZD
$32,960 USD
View
Most Expensive
B
Kay Jewelers
259115251 · Oct 30
$58,481 NZD
$32,960 USD
View
16 more retailers have this diamond
Prices start from $7,401 NZDSave up to $51,080 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
4.20ct Round
$7,401 NZD