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Cushion|Lab Grown|IGI

5.57ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG799640078

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG799640078

Diamond specifications and retailer prices

From $12,788 SGD
$10,003 USD
As of November 1, 2026
Save $32,695 SGD (72%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $45,483 SGD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 5.57ct lab-grown cushion diamond

This 5.57ct 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 LG799640078 or 799640078. Listed at 13 retailers as of October 31, 2026, with prices from $12,788 to $45,483, a $32,695 spread on the same certified stone. Taylor and Hart lists it at $45,483. 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

5.57
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.6°
Pavilion angle27.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799640078
Dimensions12.46 × 9.12 × 5.50 mm
L/W Ratio1.37
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
12.46 mm9.12 mm5.57 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799640078
Side View
Table 62.0%Crown 32.6°Girdle: STK-THKPavilion 27.9°Culet: NoneDepth 60.3%

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: Nov 1
Current: $17,395 SGD|Low: $10,643 SGD|High: $45,483 SGD|Avg: $22,711 SGD|-6.8%
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
Taylor and Hart
November 1, 2026
Retailer 5$10,643 SGD
Retailer 12$12,788 SGD
Retailer 13$14,125 SGD
Retailer 2$14,459 SGD
Retailer 8$14,630 SGD
Retailer 9$15,619 SGD
Retailer 1$17,395 SGD
Retailer 4$20,964 SGD
Retailer 7$23,629 SGD
Retailer 11$27,042 SGD
Retailer 6$29,726 SGD
Retailer 10$37,465 SGD
Retailer 3$40,760 SGD
Taylor and Hart$45,483 SGD

42 data points across 14 retailers

13 retailers$12,788 SGD to $45,483 SGD

A
Cheapest Retailer
-
$12,788 SGD
$10,003 USD
A
Retailer 2
-
$14,125 SGD
$11,049 USD
View
Final sale: no returns
A
Retailer 3
-
$14,459 SGD
$11,310 USD
View
Retailer 4
-
$14,630 SGD
$11,444 USD
View
Price last confirmed 15 days ago
A
Retailer 5
-
$15,619 SGD
$12,218 USD
View
A
Retailer 6
-
$17,395 SGD
£10,714 GBP
View
A
Retailer 7
-
$20,964 SGD
£12,912 GBP
View
B+
Retailer 8
-
$23,629 SGD
£14,554 GBP
View
B+
Retailer 9
-
$27,042 SGD
$21,153 USD
View
B+
Retailer 10
-
$29,726 SGD
ZAR 375,648 ZAR
View
B
Retailer 11
-
$37,465 SGD
$29,306 USD
View
B
Retailer 12
-
$40,760 SGD
$31,883 USD
View
Most Expensive
B
Taylor and Hart
OFZ7J5I · Oct 31
$45,483 SGD
$35,578 USD
View
12 more retailers have this diamond
Prices start from $12,788 SGDSave up to $32,695 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
5.57ct Cushion
$12,788 SGD