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Cushion|Lab Grown|IGI

3.07ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG729590207

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG729590207

Diamond specifications and retailer prices

From $2,713 NZD
$1,529 USD
As of October 31, 2026
Save $16,024 NZD (86%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $18,737 NZD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 3.07ct lab-grown cushion diamond

This 3.07ct 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 LG729590207 or 729590207. Listed at 20 retailers as of October 31, 2026, with prices from $2,713 to $18,737, a $16,024 spread on the same certified stone. Do Amore Diamonds lists it at $18,737. 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

3.07
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG729590207
Dimensions9.77 × 7.79 × 5.13 mm
L/W Ratio1.25
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
9.77 mm7.79 mm3.07 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG729590207
Side View
Table 59.0%Crown 35.7°Girdle: MED-STKPavilion 35.3°Culet: NoneDepth 65.9%

Caratlytics Score

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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: $18,737 NZD|Low: $2,713 NZD|High: $18,737 NZD|Avg: $8,098 NZD|+6.9%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
October 31, 2026
Retailer 5$2,713 NZD
Retailer 14$2,892 NZD
Retailer 7$3,371 NZD
Retailer 4$3,429 NZD
Retailer 13$3,808 NZD
Retailer 17$4,081 NZD
Retailer 2$4,341 NZD
Retailer 11$4,924 NZD
Retailer 18$6,272 NZD
Retailer 19$6,517 NZD
Retailer 8$7,379 NZD
Retailer 6$7,430 NZD
Retailer 15$7,637 NZD
Retailer 20$8,725 NZD
Retailer 16$9,581 NZD
Retailer 9$9,865 NZD
Retailer 3$9,906 NZD
Retailer 12$13,219 NZD
Retailer 10$18,497 NZD
Do Amore Diamonds$18,737 NZD

33 data points across 20 retailers

20 retailers$2,713 NZD to $18,737 NZD

A
Cheapest Retailer
-
$2,713 NZD
$1,529 USD
Final sale: no returns
A
Retailer 2
-
$2,892 NZD
$1,630 USD
View
A
Retailer 3
-
$3,371 NZD
$1,900 USD
View
A
Retailer 4
-
$3,429 NZD
HK$15,100 HKD
View
A
Retailer 5
-
$3,808 NZD
£1,690 GBP
View
A
Retailer 6
-
$4,081 NZD
$2,300 USD
View
A
Retailer 7
-
$4,341 NZD
€2,330 EUR
View
A
Retailer 8
-
$4,924 NZD
$2,775 USD
View
A
Retailer 9
-
$6,272 NZD
ZAR 57,109 ZAR
View
A
Retailer 10
-
$6,517 NZD
£2,892 GBP
View
Retailer 11
-
$7,379 NZD
A$6,398 AUD
View
Price last confirmed 9 days ago
A
Retailer 12
-
$7,430 NZD
$4,187 USD
View
A
Retailer 13
-
$7,637 NZD
$4,304 USD
View
B+
Retailer 14
-
$8,725 NZD
£3,872 GBP
View
B+
Retailer 15
-
$9,581 NZD
$5,400 USD
View
Retailer 16
-
$9,865 NZD
$5,560 USD
View
Price last confirmed 12 days ago
B+
Retailer 17
-
$9,906 NZD
SGD 7,545 SGD
View
B+
Retailer 18
-
$13,219 NZD
$7,450 USD
View
Retailer 19
-
$18,497 NZD
A$16,038 AUD
View
Price last confirmed 23 days ago
Most Expensive
B
Do Amore Diamonds
27-15EF6925D · Oct 31
$18,737 NZD
$10,560 USD
View
19 more retailers have this diamond
Prices start from $2,713 NZDSave up to $16,024 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
3.07ct Cushion
$2,713 NZD