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Cushion|Lab Grown|IGI

4.25ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG689566676

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG689566676

Diamond specifications and retailer prices

From $5,749 NZD
$3,240 USD
As of October 31, 2026
Save $28,158 NZD (83%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $33,907 NZD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 4.25ct lab-grown cushion diamond

This 4.25ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG689566676 or 689566676. Listed at 20 retailers as of October 31, 2026, with prices from $5,749 to $33,907, a $28,158 spread on the same certified stone. Do Amore Diamonds lists it at $33,907. 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

4.25
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG689566676
Dimensions11.03 × 8.75 × 5.63 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
11.03 mm8.75 mm4.25 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG689566676
Side View
Table 63.0%Crown 34.4°Girdle: MED-STKPavilion 35.4°Culet: NoneDepth 64.3%

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: $33,907 NZD|Low: $5,520 NZD|High: $33,907 NZD|Avg: $14,046 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
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
October 31, 2026
Retailer 14$5,749 NZD
Retailer 16$5,807 NZD
Retailer 12$6,411 NZD
Retailer 6$7,858 NZD
Retailer 13$8,365 NZD
Retailer 15$8,400 NZD
Retailer 2$10,090 NZD
Retailer 11$10,459 NZD
Retailer 4$10,897 NZD
Retailer 9$12,296 NZD
Retailer 5$13,428 NZD
Retailer 8$14,864 NZD
Retailer 18$15,740 NZD
Retailer 7$17,549 NZD
Retailer 3$21,986 NZD
Retailer 10$22,417 NZD
Retailer 19$22,734 NZD
Retailer 17$23,616 NZD
Do Amore Diamonds$33,907 NZD

38 data points across 19 retailers

20 retailers$5,749 NZD to $33,907 NZD

A
Cheapest Retailer
-
$5,749 NZD
$3,240 USD
A
Retailer 2
-
$5,807 NZD
$3,273 USD
View
A
Retailer 3
-
$6,411 NZD
$3,613 USD
View
Final sale: no returns
A
Retailer 4
-
$7,858 NZD
HK$34,600 HKD
View
A
Retailer 5
-
$8,365 NZD
£3,712 GBP
View
A
Retailer 6
-
$8,400 NZD
$4,734 USD
View
A
Retailer 7
-
$10,090 NZD
€5,416 EUR
View
A
Retailer 8
-
$10,459 NZD
$5,895 USD
View
A
Retailer 9
-
$10,897 NZD
£4,836 GBP
View
Retailer 10
-
$12,296 NZD
$6,930 USD
View
Price last confirmed 12 days ago
A
Retailer 11
-
$13,428 NZD
ZAR 122,263 ZAR
View
Retailer 12
-
$14,864 NZD
A$12,888 AUD
View
Price last confirmed 9 days ago
B+
Retailer 13
-
$15,740 NZD
$8,871 USD
View
B+
Retailer 14
-
$17,549 NZD
£7,788 GBP
View
B+
Retailer 15
-
$18,249 NZD
$10,285 USD
View
B+
Retailer 16
-
$21,986 NZD
$12,391 USD
View
Retailer 17
-
$22,417 NZD
A$19,437 AUD
View
Price last confirmed 22 days ago
B+
Retailer 18
-
$22,734 NZD
SGD 17,315 SGD
View
B+
Retailer 19
-
$23,616 NZD
$13,310 USD
View
Most Expensive
B
Do Amore Diamonds
27-CFF249A6B · Oct 31
$33,907 NZD
$19,110 USD
View
19 more retailers have this diamond
Prices start from $5,749 NZDSave up to $28,158 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
4.25ct Cushion
$5,749 NZD