Cushion|Lab Grown|IGI

4.23ct D FL Cushion Lab Grown Diamond

EX • D/FL • IGI LG789612851

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG789612851

Diamond specifications and retailer prices

From $5,469 SGD
£3,368 GBP
As of October 30, 2026
Save $29,700 SGD (84%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $35,169 SGD at Do Amore Diamonds · As of October 29, 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 LG789612851 or 789612851. Listed at 21 retailers as of October 29, 2026, with prices from $5,469 to $35,169, a $29,700 spread on the same certified stone. Do Amore Diamonds lists it at $35,169. 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 angle32.2°
Pavilion angle37.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG789612851
Dimensions10.95 × 8.81 × 5.89 mm
L/W Ratio1.24
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
10.95 mm8.81 mm4.23 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG789612851
Side View
Table 59.0%Crown 32.2°Girdle: MED-STKPavilion 37.4°Culet: NoneDepth 66.9%

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 30
Current: $35,169 SGD|Low: $5,450 SGD|High: $35,169 SGD|Avg: $13,612 SGD
Do Amore Diamonds
Retailer 2
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Retailer 4
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Retailer 11
Retailer 12
Retailer 13
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Retailer 15
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Retailer 17
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Retailer 19
October 30, 2026
Retailer 12$5,469 SGD
Retailer 17$5,642 SGD
Retailer 4$5,726 SGD
Retailer 18$5,899 SGD
Retailer 3$6,002 SGD
Retailer 9$6,547 SGD
Retailer 19$7,854 SGD
Retailer 13$8,489 SGD
Retailer 10$9,215 SGD
Retailer 8$10,127 SGD
Retailer 6$11,198 SGD
Retailer 15$12,300 SGD
Retailer 16$13,627 SGD
Retailer 14$13,932 SGD
Retailer 5$16,325 SGD
Retailer 2$16,760 SGD
Retailer 7$22,745 SGD
Retailer 11$23,355 SGD
Do Amore Diamonds$35,169 SGD

32 data points across 19 retailers

21 retailers$5,469 SGD to $35,169 SGD

A
Cheapest Retailer
-
$5,469 SGD
£3,368 GBP
A
Retailer 2
-
$5,642 SGD
$4,413 USD
View
A
Retailer 3
-
$5,726 SGD
$4,479 USD
View
Final sale: no returns
A
Retailer 4
-
$5,899 SGD
$4,614 USD
View
A
Retailer 5
-
$6,002 SGD
$4,695 USD
View
Retailer 6
-
$6,547 SGD
$5,121 USD
View
Price last confirmed 14 days ago
A
Retailer 7
-
$7,854 SGD
HK$48,000 HKD
View
A
Retailer 8
-
$8,489 SGD
£5,229 GBP
View
A
Retailer 9
-
$9,215 SGD
£5,676 GBP
View
Retailer 10
-
$10,127 SGD
$7,922 USD
View
Price last confirmed 7 days ago
A
Retailer 11
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$11,198 SGD
$8,759 USD
View
A
Retailer 12
-
$11,494 SGD
$8,991 USD
View
B+
Retailer 13
-
$12,300 SGD
€9,163 EUR
View
B+
Retailer 14
-
$13,627 SGD
£8,393 GBP
View
B+
Retailer 15
-
$13,932 SGD
ZAR 176,054 ZAR
View
B+
Retailer 16
-
$16,325 SGD
$12,770 USD
View
B+
Retailer 17
-
$16,760 SGD
$13,110 USD
View
B
Retailer 18
-
$22,745 SGD
View
B
Retailer 19
-
$23,355 SGD
$18,269 USD
View
B
Retailer 20
-
$28,406 SGD
$22,220 USD
View
Most Expensive
B
Do Amore Diamonds
27-E50AB4534 · Oct 29
$35,169 SGD
$27,510 USD
View
20 more retailers have this diamond
Prices start from $5,469 SGDSave up to $29,700 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
$5,469 SGD