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Cushion|Lab Grown|IGI

4.04ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG843670816

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG843670816

Diamond specifications and retailer prices

From $2,500 USD
£1,968 GBP
As of October 30, 2026
Save $13,986 USD (85%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $16,486 USD at With Clarity · As of October 31, 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 D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG843670816 or 843670816. Listed at 10 retailers as of October 30, 2026, with prices from $2,500 to $16,486, a $13,986 spread on the same certified stone. With Clarity lists it at $16,486. 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
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle36.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843670816
Dimensions10.22 × 8.52 × 5.84 mm
L/W Ratio1.20
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
Top View
10.22 mm8.52 mm4.04 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843670816
Side View
Table 60.0%Crown 36.3°Girdle: STK-THKPavilion 36.5°Culet: NoneDepth 68.5%

Caratlytics Score

How it works →
A+
Exceptional
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 30
Current: $6,123 USD|Low: $2,500 USD|High: $19,006 USD|Avg: $7,854 USD|-0.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
With Clarity
October 31, 2026
Retailer 7$2,500 USD
Retailer 4$2,970 USD
Retailer 2$3,155 USD
Retailer 3$5,307 USD
Retailer 9$5,357 USD
Retailer 1$6,123 USD
Retailer 5$8,051 USD
Retailer 8$8,746 USD
Retailer 6$10,800 USD
With Clarity$16,486 USD

11 data points across 10 retailers

10 retailers$2,500 USD to $16,486 USD

A+
Cheapest Retailer
-
$2,500 USD
£1,968 GBP
A
Retailer 2
-
$2,970 USD
View
A
Retailer 3
-
$3,155 USD
View
A
Retailer 4
-
$5,307 USD
View
A
Retailer 5
-
$5,357 USD
View
A
Retailer 6
-
$6,123 USD
€5,831 EUR
View
A
Retailer 7
-
$8,051 USD
View
B+
Retailer 8
-
$8,746 USD
£6,887 GBP
View
B+
Retailer 9
-
$10,800 USD
View
Most Expensive
B
With Clarity
843670816 · Oct 31
$16,486 USD
View
9 more retailers have this diamond
Prices start from $2,500 USDSave up to $13,986 USD

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+
4.04ct Cushion
$2,500 USD