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Cushion|Lab Grown|IGI

5.59ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG780665859

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG780665859

Diamond specifications and retailer prices

From $9,918 SGD
$7,758 USD
As of November 1, 2026
Save $50,589 SGD (84%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $60,507 SGD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 5.59ct lab-grown cushion diamond

This 5.59ct lab-grown cushion sits in the over five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG780665859 or 780665859. Listed at 11 retailers as of October 31, 2026, with prices from $9,918 to $60,507, a $50,589 spread on the same certified stone. Do Amore Diamonds lists it at $60,507. 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

5.59
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle35.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780665859
Dimensions11.79 × 9.34 × 6.32 mm
L/W Ratio1.26
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
11.79 mm9.34 mm5.59 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780665859
Side View
Table 59.0%Crown 36.5°Girdle: ThickPavilion 35.2°Culet: NoneDepth 67.7%

Caratlytics Score

How it works →
A+
Exceptional
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: Nov 1
Current: $60,507 SGD|Low: $9,918 SGD|High: $105,445 SGD|Avg: $32,075 SGD|-15.9%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 5$9,918 SGD
Retailer 10$11,077 SGD
Retailer 11$13,036 SGD
Retailer 12$13,689 SGD
Retailer 3$17,592 SGD
Retailer 7$20,641 SGD
Retailer 2$21,878 SGD
Retailer 6$22,487 SGD
Retailer 8$22,723 SGD
Retailer 9$31,305 SGD
Do Amore Diamonds$60,507 SGD
Retailer 4$105,445 SGD

30 data points across 12 retailers

11 retailers$9,918 SGD to $60,507 SGD

A+
Cheapest Retailer
-
$9,918 SGD
$7,758 USD
A
Retailer 2
-
$11,077 SGD
$8,665 USD
View
A
Retailer 3
-
$13,036 SGD
$10,197 USD
View
A
Retailer 4
-
$13,689 SGD
$10,708 USD
View
Final sale: no returns
Retailer 5
-
$17,592 SGD
$13,761 USD
View
Price last confirmed 83 days ago
A
Retailer 6
-
$20,641 SGD
$16,146 USD
View
A
Retailer 7
-
$21,878 SGD
€16,299 EUR
View
B+
Retailer 8
-
$22,487 SGD
$17,590 USD
View
B+
Retailer 9
-
$22,723 SGD
£13,996 GBP
View
B+
Retailer 10
-
$31,305 SGD
$24,488 USD
View
Most Expensive
B
Do Amore Diamonds
27-27F90F60D · Oct 31
$60,507 SGD
$47,330 USD
View
10 more retailers have this diamond
Prices start from $9,918 SGDSave up to $50,589 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+
5.59ct Cushion
$9,918 SGD