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Cushion|Lab Grown|IGI

4.23ct D FL Cushion Lab Grown Diamond

EX • D/FL • IGI LG826639385

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG826639385

Diamond specifications and retailer prices

From $7,324 SGD
$5,729 USD
As of October 31, 2026
Save $37,091 SGD (84%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $44,415 SGD at With Clarity · As of October 30, 2026
View at With Clarity

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 LG826639385 or 826639385. Listed at 20 retailers as of October 30, 2026, with prices from $7,324 to $44,415, a $37,091 spread on the same certified stone. With Clarity lists it at $44,415. 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
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG826639385
Dimensions10.83 × 8.60 × 5.67 mm
L/W Ratio1.26
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
10.83 mm8.60 mm4.23 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG826639385
Side View
Table 62.0%Crown 35°Girdle: STK-THKPavilion 38.7°Culet: NoneDepth 65.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $10,949 SGD|Low: $7,071 SGD|High: $28,406 SGD|Avg: $14,618 SGD|+0.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 30, 2026
Retailer 10$7,324 SGD
Retailer 7$8,443 SGD
Retailer 5$8,634 SGD
Retailer 2$8,744 SGD
Retailer 1$10,949 SGD
Retailer 3$12,450 SGD
Retailer 8$13,815 SGD
Retailer 12$14,801 SGD
Retailer 9$17,888 SGD
Retailer 6$18,612 SGD
Retailer 11$19,557 SGD
Retailer 4$22,556 SGD
Retailer 13$28,406 SGD

41 data points across 13 retailers

20 retailers$7,324 SGD to $44,415 SGD

A
Cheapest Retailer
-
$7,324 SGD
$5,729 USD
A
Retailer 2
-
$8,140 SGD
CA$8,844 CAD
View
A
Retailer 3
-
$8,443 SGD
$6,604 USD
View
Final sale: no returns
A
Retailer 4
-
$8,634 SGD
$6,754 USD
View
A
Retailer 5
-
$8,738 SGD
$6,835 USD
View
Retailer 6
-
$8,744 SGD
$6,840 USD
View
Price last confirmed 14 days ago
A
Retailer 7
-
$10,949 SGD
£6,744 GBP
View
B+
Retailer 8
-
$12,450 SGD
£7,668 GBP
View
B+
Retailer 9
-
$13,815 SGD
€10,292 EUR
View
B+
Retailer 10
-
$14,801 SGD
$11,578 USD
View
B+
Retailer 11
-
$17,888 SGD
£11,018 GBP
View
B+
Retailer 12
-
$18,612 SGD
ZAR 235,196 ZAR
View
B
Retailer 13
-
$19,557 SGD
$15,298 USD
View
B
Retailer 14
-
$22,556 SGD
$17,644 USD
View
B
Retailer 15
-
$23,578 SGD
$18,443 USD
View
B
Retailer 16
-
$24,327 SGD
$19,029 USD
View
B
Retailer 17
-
$25,720 SGD
$20,119 USD
View
B
Retailer 18
-
$28,406 SGD
$22,220 USD
View
B
Retailer 19
-
$30,599 SGD
$23,935 USD
View
Most Expensive
B
With Clarity
826639385 · Oct 30
$44,415 SGD
$34,743 USD
View
19 more retailers have this diamond
Prices start from $7,324 SGDSave up to $37,091 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
4.23ct Cushion
$7,324 SGD