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Cushion|Lab Grown|IGI

4.22ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG780661821

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG780661821

Diamond specifications and retailer prices

From $5,064 SGD
$3,961 USD
As of October 30, 2026
Save $26,462 SGD (84%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $31,525 SGD at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 4.22ct lab-grown cushion diamond

This 4.22ct 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 LG780661821 or 780661821. Listed at 11 retailers as of October 30, 2026, with prices from $5,064 to $31,525, a $26,462 spread on the same certified stone. Do Amore Diamonds lists it at $31,525. 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

4.22
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle35.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780661821
Dimensions11.06 × 8.63 × 5.55 mm
L/W Ratio1.28
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
11.06 mm8.63 mm4.22 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780661821
Side View
Table 61.0%Crown 36.7°Girdle: MED-THKPavilion 35.8°Culet: NoneDepth 64.3%

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: $31,525 SGD|Low: $5,064 SGD|High: $41,727 SGD|Avg: $14,236 SGD|-24.4%
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 2$5,064 SGD
Retailer 7$5,305 SGD
Retailer 5$5,927 SGD
Retailer 3$7,208 SGD
Retailer 9$8,570 SGD
Retailer 6$10,105 SGD
Retailer 11$10,681 SGD
Retailer 10$13,092 SGD
Retailer 8$14,576 SGD
Retailer 4$16,709 SGD
Do Amore Diamonds$31,525 SGD

28 data points across 11 retailers

11 retailers$5,064 SGD to $31,525 SGD

A+
Cheapest Retailer
-
$5,064 SGD
$3,961 USD
A
Retailer 2
-
$5,305 SGD
$4,150 USD
View
A
Retailer 3
-
$5,927 SGD
$4,636 USD
View
A
Retailer 4
-
$7,208 SGD
$5,638 USD
View
Final sale: no returns
A
Retailer 5
-
$8,570 SGD
$6,704 USD
View
A
Retailer 6
-
$10,105 SGD
€7,528 EUR
View
Retailer 7
-
$10,681 SGD
$8,355 USD
View
Price last confirmed 23 days ago
B+
Retailer 8
-
$13,092 SGD
£8,064 GBP
View
B+
Retailer 9
-
$14,576 SGD
$11,401 USD
View
B+
Retailer 10
-
$16,709 SGD
$13,070 USD
View
Most Expensive
B
Do Amore Diamonds
27-48B55D96E · Oct 30
$31,525 SGD
$24,660 USD
View
10 more retailers have this diamond
Prices start from $5,064 SGDSave up to $26,462 SGD

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+
4.22ct Cushion
$5,064 SGD