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Cushion|Lab Grown|IGI

3.05ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG729590148

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG729590148

Diamond specifications and retailer prices

From $2,972 NZD
$1,675 USD
As of October 29, 2026
Save $15,410 NZD (84%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $18,382 NZD at Novita Diamonds · As of October 27, 2026
View at Novita Diamonds

About this 3.05ct lab-grown cushion diamond

This 3.05ct 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 LG729590148 or 729590148. Listed at 20 retailers as of October 27, 2026, with prices from $2,972 to $18,382, a $15,410 spread on the same certified stone. Novita Diamonds lists it at $18,382. 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

3.05
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG729590148
Dimensions9.86 × 7.83 × 5.09 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
9.86 mm7.83 mm3.05 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG729590148
Side View
Table 59.0%Crown 33.2°Girdle: MED-STKPavilion 35.6°Culet: NoneDepth 65.0%

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: $18,382 NZD|Low: $2,834 NZD|High: $18,420 NZD|Avg: $8,190 NZD|+1.2%
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
October 31, 2026
Retailer 6$2,972 NZD
Retailer 13$3,091 NZD
Retailer 10$3,353 NZD
Retailer 5$3,725 NZD
Retailer 17$4,076 NZD
Retailer 2$4,182 NZD
Retailer 19$4,780 NZD
Retailer 11$4,894 NZD
Retailer 18$6,879 NZD
Retailer 20$7,166 NZD
Retailer 8$7,331 NZD
Retailer 7$8,096 NZD
Retailer 15$8,279 NZD
Retailer 3$8,506 NZD
Retailer 9$9,803 NZD
Retailer 16$10,498 NZD
Retailer 4$10,784 NZD
Retailer 12$13,130 NZD
Retailer 14$15,915 NZD
Novita Diamonds$18,382 NZD

32 data points across 20 retailers

20 retailers$2,972 NZD to $18,382 NZD

A
Cheapest Retailer
-
$2,972 NZD
$1,675 USD
Final sale: no returns
A
Retailer 2
-
$3,091 NZD
$1,742 USD
View
A
Retailer 3
-
$3,353 NZD
$1,890 USD
View
A
Retailer 4
-
$3,725 NZD
HK$16,400 HKD
View
A
Retailer 5
-
$4,076 NZD
$2,297 USD
View
A
Retailer 6
-
$4,182 NZD
£1,856 GBP
View
A
Retailer 7
-
$4,780 NZD
€2,566 EUR
View
A
Retailer 8
-
$4,894 NZD
$2,758 USD
View
A
Retailer 9
-
$6,879 NZD
ZAR 62,635 ZAR
View
A
Retailer 10
-
$7,166 NZD
£3,180 GBP
View
Retailer 11
-
$7,331 NZD
A$6,357 AUD
View
Price last confirmed 10 days ago
B+
Retailer 12
-
$8,096 NZD
$4,563 USD
View
B+
Retailer 13
-
$8,279 NZD
$4,666 USD
View
B+
Retailer 14
-
$8,506 NZD
£3,775 GBP
View
Retailer 15
-
$9,803 NZD
$5,525 USD
View
Price last confirmed 13 days ago
B+
Retailer 16
-
$10,498 NZD
$5,917 USD
View
B+
Retailer 17
-
$10,784 NZD
SGD 8,213 SGD
View
B+
Retailer 18
-
$13,130 NZD
$7,400 USD
View
B
Retailer 19
-
$15,915 NZD
$8,970 USD
View
Most Expensive
B
Novita Diamonds
cert_729590148 · Oct 8
$18,382 NZD
A$15,939 AUD
View
19 more retailers have this diamond
Prices start from $2,972 NZDSave up to $15,410 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
3.05ct Cushion
$2,972 NZD