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Cushion|Lab Grown|IGI

5.51ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG804659325

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG804659325

Diamond specifications and retailer prices

From $10,209 SGD
$7,986 USD
As of November 1, 2026
Save $30,003 SGD (75%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $40,213 SGD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 5.51ct lab-grown cushion diamond

This 5.51ct 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 LG804659325 or 804659325. Listed at 12 retailers as of October 31, 2026, with prices from $10,209 to $40,213, a $30,003 spread on the same certified stone. Taylor and Hart lists it at $40,213. 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

5.51
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.8°
Pavilion angle36.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804659325
Dimensions11.71 × 9.68 × 6.22 mm
L/W Ratio1.21
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
11.71 mm9.68 mm5.51 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804659325
Side View
Table 61.0%Crown 37.8°Girdle: MED-STKPavilion 36.5°Culet: NoneDepth 64.3%

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: $23,034 SGD|Low: $10,209 SGD|High: $42,616 SGD|Avg: $23,242 SGD|-4.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Taylor and Hart
November 1, 2026
Retailer 9$10,209 SGD
Retailer 4$13,270 SGD
Retailer 2$13,717 SGD
Retailer 11$13,876 SGD
Retailer 5$15,268 SGD
Retailer 8$19,796 SGD
Retailer 6$21,206 SGD
Retailer 10$22,167 SGD
Retailer 1$23,034 SGD
Retailer 7$31,524 SGD
Retailer 3$35,643 SGD
Taylor and Hart$40,213 SGD

39 data points across 12 retailers

12 retailers$10,209 SGD to $40,213 SGD

A
Cheapest Retailer
-
$10,209 SGD
$7,986 USD
A
Retailer 2
-
$13,270 SGD
$10,380 USD
View
Retailer 3
-
$13,717 SGD
$10,730 USD
View
Price last confirmed 13 days ago
A
Retailer 4
-
$13,876 SGD
HK$84,800 HKD
View
A
Retailer 5
-
$15,268 SGD
£9,404 GBP
View
A
Retailer 6
-
$19,796 SGD
$15,485 USD
View
A
Retailer 7
-
$21,206 SGD
€15,798 EUR
View
B+
Retailer 8
-
$22,167 SGD
$17,340 USD
View
B+
Retailer 9
-
$23,034 SGD
£14,187 GBP
View
B+
Retailer 10
-
$31,524 SGD
$24,659 USD
View
B
Retailer 11
-
$35,643 SGD
$27,881 USD
View
Most Expensive
B
Taylor and Hart
YXBMR75 · Oct 31
$40,213 SGD
$31,456 USD
View
11 more retailers have this diamond
Prices start from $10,209 SGDSave up to $30,003 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
5.51ct Cushion
$10,209 SGD