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Cushion|Lab Grown|IGI

3.00ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG728578046

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG728578046

Diamond specifications and retailer prices

From $2,814 NZD
$1,586 USD
As of October 31, 2026
Save $15,048 NZD (84%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $17,862 NZD at Novita Diamonds · As of November 1, 2026
View at Novita Diamonds

About this 3ct lab-grown cushion diamond

This 3ct lab-grown cushion 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 IGI LG728578046 or 728578046. Listed at 20 retailers as of October 31, 2026, with prices from $2,814 to $17,862, a $15,048 spread on the same certified stone. Novita Diamonds lists it at $17,862. 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

3.00
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle35.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG728578046
Dimensions9.69 × 7.71 × 5.06 mm
L/W Ratio1.26
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
9.69 mm7.71 mm3.00 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG728578046
Side View
Table 62.0%Crown 33.5°Girdle: MED-STKPavilion 35.8°Culet: NoneDepth 65.6%

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: $17,862 NZD|Low: $2,814 NZD|High: $19,908 NZD|Avg: $7,792 NZD|-1.4%
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
November 2, 2026
Retailer 3$2,814 NZD
Retailer 12$3,300 NZD
Retailer 16$3,300 NZD
Retailer 6$3,543 NZD
Retailer 2$4,114 NZD
Retailer 13$4,386 NZD
Retailer 15$4,671 NZD
Retailer 19$5,202 NZD
Retailer 14$6,582 NZD
Retailer 20$6,768 NZD
Retailer 4$7,030 NZD
Retailer 9$7,963 NZD
Retailer 17$9,004 NZD
Retailer 10$9,119 NZD
Retailer 11$9,741 NZD
Retailer 18$10,255 NZD
Retailer 5$10,257 NZD
Retailer 8$13,006 NZD
Retailer 7$14,895 NZD
Novita Diamonds$17,862 NZD

32 data points across 20 retailers

20 retailers$2,814 NZD to $17,862 NZD

A
Cheapest Retailer
-
$2,814 NZD
$1,586 USD
Final sale: no returns
A
Retailer 2
-
$3,300 NZD
$1,860 USD
View
A
Retailer 3
-
$3,300 NZD
$1,860 USD
View
A
Retailer 4
-
$3,543 NZD
HK$15,600 HKD
View
A
Retailer 5
-
$4,114 NZD
£1,826 GBP
View
A
Retailer 6
-
$4,386 NZD
$2,472 USD
View
A
Retailer 7
-
$4,671 NZD
€2,507 EUR
View
A
Retailer 8
-
$5,202 NZD
$2,932 USD
View
A
Retailer 9
-
$6,582 NZD
A$5,707 AUD
View
A
Retailer 10
-
$6,768 NZD
ZAR 61,627 ZAR
View
A
Retailer 11
-
$7,030 NZD
£3,120 GBP
View
B+
Retailer 12
-
$7,963 NZD
$4,488 USD
View
B+
Retailer 13
-
$9,004 NZD
$5,075 USD
View
B+
Retailer 14
-
$9,119 NZD
£4,047 GBP
View
Retailer 15
-
$9,741 NZD
$5,490 USD
View
Price last confirmed 11 days ago
B+
Retailer 16
-
$10,255 NZD
$5,780 USD
View
B+
Retailer 17
-
$10,257 NZD
SGD 7,812 SGD
View
B
Retailer 18
-
$13,006 NZD
$7,330 USD
View
B
Retailer 19
-
$14,895 NZD
$8,395 USD
View
Most Expensive
B
Novita Diamonds
cert_728578046 · Nov 1
$17,862 NZD
A$15,488 AUD
View
19 more retailers have this diamond
Prices start from $2,814 NZDSave up to $15,048 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
3.00ct Cushion
$2,814 NZD