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Cushion|Lab Grown|IGI

4.05ct D VVS1 Cushion Lab Grown Diamond

EX • D/VVS1 • IGI LG689569118

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG689569118

Diamond specifications and retailer prices

From $3,694 NZD
$2,082 USD
As of October 29, 2026
Save $18,999 NZD (84%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $22,693 NZD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 4.05ct lab-grown cushion diamond

This 4.05ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG689569118 or 689569118. Listed at 19 retailers as of October 29, 2026, with prices from $3,694 to $22,693, a $18,999 spread on the same certified stone. Do Amore Diamonds lists it at $22,693. 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

4.05
Carat
D
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle37.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG689569118
Dimensions9.22 × 9.22 × 6.00 mm
L/W Ratio1.00
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
9.22 mm9.22 mm4.05 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG689569118
Side View
Table 59.0%Crown 36.7°Girdle: STK-THKPavilion 37.5°Culet: NoneDepth 65.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $22,693 NZD|Low: $3,694 NZD|High: $22,693 NZD|Avg: $9,326 NZD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
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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 13$3,694 NZD
Retailer 12$4,125 NZD
Retailer 7$4,216 NZD
Retailer 5$4,453 NZD
Retailer 9$5,292 NZD
Retailer 2$5,813 NZD
Retailer 4$6,379 NZD
Retailer 15$6,778 NZD
Retailer 10$8,004 NZD
Retailer 14$8,992 NZD
Retailer 17$9,065 NZD
Retailer 18$9,679 NZD
Retailer 6$10,849 NZD
Retailer 3$11,066 NZD
Retailer 19$12,014 NZD
Retailer 16$12,130 NZD
Retailer 11$14,778 NZD
Retailer 8$15,283 NZD
Do Amore Diamonds$22,693 NZD

37 data points across 19 retailers

19 retailers$3,694 NZD to $22,693 NZD

A
Cheapest Retailer
-
$3,694 NZD
$2,082 USD
Final sale: no returns
A
Retailer 2
-
$4,125 NZD
$2,325 USD
View
A
Retailer 3
-
$4,216 NZD
$2,376 USD
View
A
Retailer 4
-
$4,453 NZD
$2,510 USD
View
B+
Retailer 5
-
$5,292 NZD
HK$23,300 HKD
View
B+
Retailer 6
-
$5,813 NZD
£2,579 GBP
View
B+
Retailer 7
-
$6,379 NZD
$3,595 USD
View
B+
Retailer 8
-
$6,778 NZD
€3,638 EUR
View
B+
Retailer 9
-
$8,004 NZD
£3,552 GBP
View
B+
Retailer 10
-
$8,992 NZD
ZAR 81,873 ZAR
View
Retailer 11
-
$9,065 NZD
A$7,860 AUD
View
Price last confirmed 8 days ago
Retailer 12
-
$9,679 NZD
$5,455 USD
View
Price last confirmed 12 days ago
B
Retailer 13
-
$10,849 NZD
$6,115 USD
View
B
Retailer 14
-
$11,066 NZD
$6,237 USD
View
Retailer 15
-
$12,014 NZD
A$10,417 AUD
View
Price last confirmed 22 days ago
B
Retailer 16
-
$12,130 NZD
£5,383 GBP
View
B
Retailer 17
-
$14,778 NZD
$8,329 USD
View
B
Retailer 18
-
$15,283 NZD
SGD 11,640 SGD
View
Most Expensive
B
Do Amore Diamonds
27-BE435D680 · Oct 31
$22,693 NZD
$12,790 USD
View
18 more retailers have this diamond
Prices start from $3,694 NZDSave up to $18,999 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
4.05ct Cushion
$3,694 NZD