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Cushion|Lab Grown|IGI

4.23ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG784645333

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG784645333

Diamond specifications and retailer prices

From $4,118 USD
As of October 29, 2026
Save $21,592 USD (84%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $25,710 USD at Do Amore Diamonds · As of October 28, 2026
View at Do Amore Diamonds

About this 4.23ct lab-grown cushion diamond

This 4.23ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG784645333 or 784645333. Listed at 10 retailers as of October 28, 2026, with prices from $4,118 to $25,710, a $21,592 spread on the same certified stone. Do Amore Diamonds lists it at $25,710. 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

4.23
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.4°
Pavilion angle36.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784645333
Dimensions11.05 × 8.49 × 5.69 mm
L/W Ratio1.30
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
11.05 mm8.49 mm4.23 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784645333
Side View
Table 58.0%Crown 37.4°Girdle: STK-THKPavilion 36.8°Culet: NoneDepth 67.0%

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 29
Current: $25,710 USD|Low: $4,118 USD|High: $32,710 USD|Avg: $12,494 USD|-21.4%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 8$4,118 USD
Retailer 5$4,460 USD
Retailer 2$4,687 USD
Retailer 11$5,652 USD
Retailer 7$6,719 USD
Retailer 4$8,208 USD
Retailer 9$8,370 USD
Retailer 6$10,235 USD
Retailer 10$22,220 USD
Do Amore Diamonds$25,710 USD
Retailer 3$27,253 USD

26 data points across 11 retailers

10 retailers$4,118 USD to $25,710 USD

A+
Cheapest Retailer
-
$4,118 USD
A
Retailer 2
-
$4,460 USD
View
A
Retailer 3
-
$4,687 USD
View
A
Retailer 4
-
$5,652 USD
View
Final sale: no returns
A
Retailer 5
-
$6,719 USD
View
A
Retailer 6
-
$8,208 USD
€7,817 EUR
View
Retailer 7
-
$8,370 USD
View
Price last confirmed 22 days ago
B+
Retailer 8
-
$10,235 USD
£8,059 GBP
View
B
Retailer 9
-
$22,220 USD
View
Most Expensive
B
Do Amore Diamonds
27-5B800B57F · Oct 28
$25,710 USD
View
9 more retailers have this diamond
Prices start from $4,118 USDSave up to $21,592 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+
4.23ct Cushion
$4,118 USD