Cushion|Lab Grown|IGI

4.04ct H VS1 Cushion Lab Grown Diamond

ID • H/VS1 • IGI LG837618750

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

Certificate IGI LG837618750

Diamond specifications and retailer prices

From $4,058 NZD
$2,283 USD
As of November 2, 2026
Save $11,525 NZD (74%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $21,774 NZD at With Clarity · As of November 3, 2026
View at With Clarity

About this 4.04ct lab-grown cushion diamond

This 4.04ct lab-grown cushion sits in the three to five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG837618750 or 837618750. Listed at 20 retailers as of October 31, 2026, with a 284% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

4.04
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.8°
Pavilion angle60.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837618750
Dimensions8.94 × 8.71 × 5.76 mm
L/W Ratio1.03
Girdle conditionFaceted
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 Faint Blue
Top View
8.94 mm8.71 mm4.04 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837618750
Side View
Table 58.0%Crown 38.8°Girdle: THK-VTKPavilion 60.1°Culet: NoneDepth 66.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $9,497 NZD|Low: $4,058 NZD|High: $484,764 NZD|Avg: $10,585 NZD|-0.4%
Retailer 1
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
With Clarity
November 3, 2026
Retailer 4$4,058 NZD
Retailer 9$4,303 NZD
Retailer 19$4,457 NZD
Retailer 2$4,733 NZD
Retailer 7$4,754 NZD
Retailer 11$5,141 NZD
Retailer 14$5,250 NZD
Retailer 17$6,130 NZD
Retailer 15$6,686 NZD
Retailer 13$6,724 NZD
Retailer 8$8,451 NZD
Retailer 1$9,497 NZD
Retailer 16$9,549 NZD
Retailer 18$10,219 NZD
Retailer 3$11,058 NZD
Retailer 12$12,094 NZD
Retailer 5$12,633 NZD
Retailer 6$14,906 NZD
Retailer 10$15,582 NZD
With Clarity$21,774 NZD

34 data points across 20 retailers

20 retailers$4,058 NZD to $15,582 NZD

B+
Cheapest Retailer
-
$4,058 NZD
$2,283 USD
B+
Retailer 2
-
$4,303 NZD
$2,421 USD
View
Final sale: no returns
Retailer 3
-
$4,457 NZD
$2,508 USD
View
Price last confirmed 23 days ago
B+
Retailer 4
-
$4,733 NZD
$2,663 USD
View
B+
Retailer 5
-
$4,754 NZD
$2,675 USD
View
B+
Retailer 6
-
$5,141 NZD
HK$22,600 HKD
View
B+
Retailer 7
-
$5,250 NZD
£2,326 GBP
View
B
Retailer 8
-
$6,130 NZD
$3,449 USD
View
B
Retailer 9
-
$6,686 NZD
$3,762 USD
View
B
Retailer 10
-
$6,724 NZD
€3,603 EUR
View
B
Retailer 11
-
$8,451 NZD
£3,744 GBP
View
B
Retailer 12
-
$9,497 NZD
ZAR 86,324 ZAR
View
B
Retailer 13
-
$9,549 NZD
A$8,266 AUD
View
B
Retailer 14
-
$10,219 NZD
$5,750 USD
View
Retailer 15
-
$11,058 NZD
$6,222 USD
View
Price last confirmed 7 days ago
B
Retailer 16
-
$12,094 NZD
£5,358 GBP
View
B
Retailer 17
-
$12,633 NZD
$7,108 USD
View
B
Retailer 18
-
$14,906 NZD
SGD 11,334 SGD
View
B
Retailer 19
-
$15,582 NZD
$8,767 USD
View
Most Expensive
With Clarity
837618750 · Nov 3
$21,774 NZD
$12,251 USD
View
Price under review
19 more retailers have this diamond
Prices start from $4,058 NZDSave up to $11,525 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.

B+
4.04ct Cushion
$4,058 NZD