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Cushion|Lab Grown|IGI

4.26ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG846658009

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG846658009

Diamond specifications and retailer prices

From $5,481 SGD
£3,376 GBP
As of October 30, 2026
Save $31,229 SGD (85%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $36,709 SGD at With Clarity · As of October 28, 2026
View at With Clarity

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 LG846658009 or 846658009. Listed at 9 retailers as of October 28, 2026, with prices from $5,481 to $36,709, a $31,229 spread on the same certified stone. With Clarity lists it at $36,709. 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 angle36.8°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846658009
Dimensions10.34 × 8.63 × 5.83 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
10.34 mm8.63 mm4.26 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846658009
Side View
Table 60.0%Crown 36.8°Girdle: STK-THKPavilion 35.3°Culet: NoneDepth 67.6%

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 30
Current: $8,400 SGD|Low: $5,136 SGD|High: $37,747 SGD|Avg: $13,444 SGD|+1.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
With Clarity
October 31, 2026
Retailer 4$5,481 SGD
Retailer 6$6,200 SGD
Retailer 1$8,400 SGD
Retailer 8$9,755 SGD
Retailer 5$11,975 SGD
Retailer 2$12,004 SGD
Retailer 7$12,766 SGD
Retailer 3$19,240 SGD
With Clarity$36,709 SGD

7 data points across 9 retailers

9 retailers$5,481 SGD to $36,709 SGD

A
Cheapest Retailer
-
$5,481 SGD
£3,376 GBP
A
Retailer 2
-
$6,200 SGD
$4,850 USD
View
A
Retailer 3
-
$8,400 SGD
$6,571 USD
View
A
Retailer 4
-
$9,755 SGD
$7,631 USD
View
A
Retailer 5
-
$11,975 SGD
€8,921 EUR
View
B+
Retailer 6
-
$12,004 SGD
$9,390 USD
View
B+
Retailer 7
-
$12,766 SGD
£7,863 GBP
View
B+
Retailer 8
-
$19,240 SGD
$15,050 USD
View
Most Expensive
B
With Clarity
846658009 · Oct 28
$36,709 SGD
$28,715 USD
View
8 more retailers have this diamond
Prices start from $5,481 SGDSave up to $31,229 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
$5,481 SGD