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Cushion|Lab Grown|IGI

4.30ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG780662187

Shape and cutting style on the report: Antique cushion cut

Certificate IGI LG780662187

Diamond specifications and retailer prices

From $5,344 SGD
$4,180 USD
As of October 29, 2026
Save $15,464 SGD (74%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $20,808 SGD at MOH London · As of October 29, 2026
View at MOH London

About this 4.3ct lab-grown cushion diamond

This 4.3ct 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 LG780662187 or 780662187. Listed at 10 retailers as of October 29, 2026, with prices from $5,344 to $20,808, a $15,464 spread on the same certified stone. MOH London lists it at $20,808. 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

4.30
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.2°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780662187
Dimensions11.06 × 8.64 × 5.74 mm
L/W Ratio1.28
Girdle conditionFaceted
Culet sizeLarge
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 mm8.64 mm4.30 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780662187
Side View
Table 56.0%Crown 37.2°Girdle: STK-THKPavilion 40.7°Culet: LargeDepth 66.4%

Caratlytics Score

How it works →
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 29
Current: $20,808 SGD|Low: $5,344 SGD|High: $45,883 SGD|Avg: $18,610 SGD|-4.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 31, 2026
Retailer 11$5,344 SGD
Retailer 9$5,601 SGD
Retailer 8$8,067 SGD
Retailer 15$8,100 SGD
Retailer 3$9,120 SGD
Retailer 13$11,074 SGD
Retailer 2$11,077 SGD
Retailer 12$11,853 SGD
Retailer 14$12,514 SGD
Retailer 6$15,783 SGD
Retailer 10$17,026 SGD
MOH London$20,808 SGD
Retailer 4$29,761 SGD
Retailer 7$38,495 SGD
Retailer 5$45,883 SGD

31 data points across 15 retailers

10 retailers$5,344 SGD to $20,808 SGD

A
Cheapest Retailer
-
$5,344 SGD
$4,180 USD
A
Retailer 2
-
$5,601 SGD
$4,381 USD
View
A
Retailer 3
-
$8,067 SGD
$6,310 USD
View
A
Retailer 4
-
$8,100 SGD
$6,336 USD
View
Final sale: no returns
A
Retailer 5
-
$11,074 SGD
$8,662 USD
View
B+
Retailer 6
-
$11,077 SGD
$8,665 USD
View
B+
Retailer 7
-
$11,853 SGD
€8,830 EUR
View
B+
Retailer 8
-
$12,514 SGD
$9,789 USD
View
B+
Retailer 9
-
$17,026 SGD
$13,318 USD
View
Most Expensive
B+
MOH London
LG780662187 · Oct 29
$20,808 SGD
£12,816 GBP
View
9 more retailers have this diamond
Prices start from $5,344 SGDSave up to $15,464 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
4.30ct Cushion
$5,344 SGD