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Cushion|Lab Grown|IGI

4.08ct D VVS1 Cushion Lab Grown Diamond

ID • D/VVS1 • IGI LG677521680

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG677521680

Diamond specifications and retailer prices

From $3,256 NZD
$1,835 USD
As of October 31, 2026
Save $18,249 NZD (85%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $21,505 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 4.08ct lab-grown cushion diamond

This 4.08ct 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 LG677521680 or 677521680. Listed at 20 retailers as of October 31, 2026, with prices from $3,256 to $21,505, a $18,249 spread on the same certified stone. Brilliant Earth lists it at $21,505. 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

4.08
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG677521680
Dimensions10.53 × 8.71 × 5.71 mm
L/W Ratio1.21
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
10.53 mm8.71 mm4.08 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG677521680
Side View
Table 59.0%Crown 34.8°Girdle: MED-STKPavilion 35.5°Culet: NoneDepth 65.6%

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: $21,505 NZD|Low: $3,057 NZD|High: $21,505 NZD|Avg: $8,782 NZD
Brilliant Earth
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
November 1, 2026
Retailer 18$3,256 NZD
Retailer 17$3,508 NZD
Retailer 7$3,611 NZD
Retailer 9$4,361 NZD
Retailer 4$4,395 NZD
Retailer 14$4,958 NZD
Retailer 3$5,248 NZD
Retailer 15$5,522 NZD
Retailer 10$7,247 NZD
Retailer 19$7,444 NZD
Retailer 13$7,493 NZD
Retailer 11$9,078 NZD
Retailer 6$9,146 NZD
Retailer 20$9,750 NZD
Retailer 2$9,989 NZD
Retailer 16$11,430 NZD
Retailer 12$12,295 NZD
Retailer 8$12,620 NZD
Retailer 5$18,790 NZD
Brilliant Earth$21,505 NZD

35 data points across 20 retailers

20 retailers$3,256 NZD to $21,505 NZD

A
Cheapest Retailer
-
$3,256 NZD
$1,835 USD
A
Retailer 2
-
$3,508 NZD
$1,977 USD
View
Final sale: no returns
A
Retailer 3
-
$3,611 NZD
$2,035 USD
View
A
Retailer 4
-
$4,361 NZD
HK$19,200 HKD
View
A
Retailer 5
-
$4,395 NZD
$2,477 USD
View
A
Retailer 6
-
$4,958 NZD
£2,200 GBP
View
A
Retailer 7
-
$5,248 NZD
$2,958 USD
View
B+
Retailer 8
-
$5,522 NZD
€2,964 EUR
View
B+
Retailer 9
-
$7,247 NZD
£3,216 GBP
View
B+
Retailer 10
-
$7,444 NZD
ZAR 67,781 ZAR
View
B+
Retailer 11
-
$7,493 NZD
A$6,497 AUD
View
B
Retailer 12
-
$9,078 NZD
$5,116 USD
View
B
Retailer 13
-
$9,146 NZD
$5,155 USD
View
Retailer 14
-
$9,750 NZD
$5,495 USD
View
Price last confirmed 13 days ago
B+
Retailer 15
-
$9,989 NZD
£4,433 GBP
View
B+
Retailer 16
-
$11,430 NZD
A$9,911 AUD
View
B
Retailer 17
-
$12,295 NZD
$6,930 USD
View
B
Retailer 18
-
$12,620 NZD
SGD 9,612 SGD
View
B
Retailer 19
-
$18,790 NZD
$10,590 USD
View
Most Expensive
B
Brilliant Earth
13509561Y · Oct 31
$21,505 NZD
$12,120 USD
View
19 more retailers have this diamond
Prices start from $3,256 NZDSave up to $18,249 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
4.08ct Cushion
$3,256 NZD