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Cushion|Lab Grown|IGI

4.26ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG821638856

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG821638856

Diamond specifications and retailer prices

From $5,740 SGD
$4,490 USD
As of October 31, 2026
Save $27,128 SGD (83%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $32,868 SGD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 4.26ct lab-grown cushion diamond

This 4.26ct 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 LG821638856 or 821638856. Listed at 9 retailers as of October 31, 2026, with prices from $5,740 to $32,868, a $27,128 spread on the same certified stone. Do Amore Diamonds lists it at $32,868. 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

4.26
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle36.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821638856
Dimensions10.53 × 8.69 × 5.90 mm
L/W Ratio1.21
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
10.53 mm8.69 mm4.26 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821638856
Side View
Table 59.0%Crown 34.9°Girdle: STK-THKPavilion 36.3°Culet: NoneDepth 67.9%

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: $32,868 SGD|Low: $5,657 SGD|High: $43,789 SGD|Avg: $17,578 SGD|-2.9%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 5$5,740 SGD
Retailer 4$6,069 SGD
Retailer 7$6,398 SGD
Retailer 8$8,647 SGD
Retailer 2$10,493 SGD
Retailer 6$12,734 SGD
Retailer 9$13,336 SGD
Retailer 3$16,875 SGD
Do Amore Diamonds$32,868 SGD
Retailer 10$37,747 SGD

29 data points across 10 retailers

9 retailers$5,740 SGD to $32,868 SGD

A
Cheapest Retailer
-
$5,740 SGD
$4,490 USD
A
Retailer 2
-
$5,758 SGD
$4,504 USD
View
A
Retailer 3
-
$6,069 SGD
$4,747 USD
View
A
Retailer 4
-
$8,647 SGD
$6,764 USD
View
A
Retailer 5
-
$10,493 SGD
€7,817 EUR
View
B+
Retailer 6
-
$12,734 SGD
£7,843 GBP
View
Retailer 7
-
$13,336 SGD
$10,432 USD
View
Price last confirmed 14 days ago
B+
Retailer 8
-
$16,875 SGD
$13,200 USD
View
Most Expensive
B
Do Amore Diamonds
27-1D4304903 · Oct 31
$32,868 SGD
$25,710 USD
View
8 more retailers have this diamond
Prices start from $5,740 SGDSave up to $27,128 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
4.26ct Cushion
$5,740 SGD