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Cushion|Lab Grown|IGI

5.25ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG846664147

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG846664147

Diamond specifications and retailer prices

From $7,850 USD
As of October 29, 2026
Save $30,358 USD (79%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $38,208 USD at With Clarity · As of October 30, 2026
View at With Clarity

About this 5.25ct lab-grown cushion diamond

This 5.25ct 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 LG846664147 or 846664147. Listed at 9 retailers as of October 29, 2026, with prices from $7,850 to $38,208, a $30,358 spread on the same certified stone. With Clarity lists it at $38,208. 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

5.25
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle35.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846664147
Dimensions11.22 × 9.46 × 6.18 mm
L/W Ratio1.19
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
11.22 mm9.46 mm5.25 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846664147
Side View
Table 62.0%Crown 33.3°Girdle: STK-THKPavilion 35.9°Culet: NoneDepth 65.3%

Caratlytics Score

How it works →
A
Excellent
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: Oct 29
Current: $16,799 USD|Low: $7,850 USD|High: $39,232 USD|Avg: $17,160 USD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
With Clarity
October 30, 2026
Retailer 5$7,850 USD
Retailer 3$7,954 USD
Retailer 8$9,288 USD
Retailer 4$10,909 USD
Retailer 6$15,851 USD
Retailer 2$16,520 USD
Retailer 1$16,799 USD
Retailer 7$16,927 USD
With Clarity$38,208 USD

5 data points across 9 retailers

9 retailers$7,850 USD to $38,208 USD

A
Cheapest Retailer
-
$7,850 USD
A
Retailer 2
-
$7,954 USD
£6,263 GBP
View
A
Retailer 3
-
$9,288 USD
View
A
Retailer 4
-
$10,909 USD
View
B+
Retailer 5
-
$15,851 USD
£12,481 GBP
View
B+
Retailer 6
-
$16,520 USD
View
Retailer 7
-
$16,799 USD
View
B+
Retailer 8
-
$16,927 USD
€16,121 EUR
View
Most Expensive
B
With Clarity
846664147 · Oct 30
$38,208 USD
View
8 more retailers have this diamond
Prices start from $7,850 USDSave up to $30,358 USD

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
5.25ct Cushion
$7,850 USD