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Cushion|Lab Grown|IGI

4.05ct D VVS1 Cushion Lab Grown Diamond

ID • D/VVS1 • IGI LG681578537

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG681578537

Diamond specifications and retailer prices

From $3,036 NZD
$1,711 USD
As of October 29, 2026
Save $15,612 NZD (84%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $18,648 NZD at Do Amore Diamonds · As of October 29, 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 LG681578537 or 681578537. Listed at 20 retailers as of October 29, 2026, with prices from $3,036 to $18,648, a $15,612 spread on the same certified stone. Do Amore Diamonds lists it at $18,648. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle35.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG681578537
Dimensions10.68 × 8.64 × 5.65 mm
L/W Ratio1.24
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
10.68 mm8.64 mm4.05 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG681578537
Side View
Table 57.0%Crown 34.9°Girdle: MED-STKPavilion 35.7°Culet: NoneDepth 65.4%

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: $18,648 NZD|Low: $3,036 NZD|High: $18,648 NZD|Avg: $8,623 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
Retailer 20
October 30, 2026
Retailer 13$3,036 NZD
Retailer 17$3,575 NZD
Retailer 7$3,588 NZD
Retailer 4$4,335 NZD
Retailer 9$4,338 NZD
Retailer 2$4,921 NZD
Retailer 3$5,208 NZD
Retailer 15$5,518 NZD
Retailer 10$7,193 NZD
Retailer 14$7,391 NZD
Retailer 18$7,450 NZD
Retailer 11$9,011 NZD
Retailer 6$9,087 NZD
Retailer 19$9,679 NZD
Retailer 16$9,969 NZD
Retailer 20$11,494 NZD
Retailer 12$12,210 NZD
Retailer 8$12,528 NZD
Retailer 5$17,512 NZD
Do Amore Diamonds$18,648 NZD

36 data points across 20 retailers

20 retailers$3,036 NZD to $18,648 NZD

A
Cheapest Retailer
-
$3,036 NZD
$1,711 USD
Final sale: no returns
A
Retailer 2
-
$3,575 NZD
$2,015 USD
View
A
Retailer 3
-
$3,588 NZD
$2,022 USD
View
A
Retailer 4
-
$4,335 NZD
$2,443 USD
View
A
Retailer 5
-
$4,338 NZD
HK$19,100 HKD
View
A
Retailer 6
-
$4,921 NZD
£2,184 GBP
View
A
Retailer 7
-
$5,208 NZD
$2,935 USD
View
B+
Retailer 8
-
$5,518 NZD
€2,962 EUR
View
B+
Retailer 9
-
$7,193 NZD
£3,192 GBP
View
B+
Retailer 10
-
$7,391 NZD
ZAR 67,292 ZAR
View
Retailer 11
-
$7,450 NZD
A$6,460 AUD
View
Price last confirmed 9 days ago
B
Retailer 12
-
$9,011 NZD
$5,079 USD
View
B
Retailer 13
-
$9,087 NZD
$5,122 USD
View
Retailer 14
-
$9,679 NZD
$5,455 USD
View
Price last confirmed 12 days ago
B+
Retailer 15
-
$9,969 NZD
£4,424 GBP
View
Retailer 16
-
$11,494 NZD
A$9,966 AUD
View
Price last confirmed 22 days ago
B
Retailer 17
-
$12,210 NZD
$6,882 USD
View
B
Retailer 18
-
$12,528 NZD
SGD 9,542 SGD
View
B
Retailer 19
-
$17,512 NZD
$9,870 USD
View
Most Expensive
B
Do Amore Diamonds
27-C11B95E91 · Oct 29
$18,648 NZD
$10,510 USD
View
19 more retailers have this diamond
Prices start from $3,036 NZDSave up to $15,612 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
$3,036 NZD