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Cushion|Lab Grown|IGI

5.29ct D IF Cushion Lab Grown Diamond

EX • D/IF • IGI LG828680593

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG828680593

Diamond specifications and retailer prices

From $8,778 USD
As of October 26, 2026
Save $25,252 USD (74%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $34,030 USD at With Clarity · As of October 31, 2026
View at With Clarity

About this 5.29ct lab-grown cushion diamond

This 5.29ct lab-grown cushion sits in the over five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG828680593 or 828680593. Listed at 13 retailers as of October 26, 2026, with prices from $8,778 to $34,030, a $25,252 spread on the same certified stone. With Clarity lists it at $34,030. 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

5.29
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828680593
Dimensions10.16 × 10.04 × 6.60 mm
L/W Ratio1.01
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
10.16 mm10.04 mm5.29 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828680593
Side View
Table 62.0%Crown 36.7°Girdle: MED-STKPavilion 38.6°Culet: NoneDepth 65.7%

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 26
Current: $23,831 USD|Low: $8,778 USD|High: $34,030 USD|Avg: $16,623 USD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
With Clarity
November 1, 2026
Retailer 2$8,778 USD
Retailer 11$9,126 USD
Retailer 8$9,390 USD
Retailer 4$10,341 USD
Retailer 9$10,789 USD
Retailer 5$14,015 USD
Retailer 6$15,130 USD
Retailer 7$16,585 USD
Retailer 3$23,043 USD
Retailer 1$23,831 USD
Retailer 10$28,357 USD
With Clarity$34,030 USD

22 data points across 12 retailers

13 retailers$8,778 USD to $34,030 USD

A
Cheapest Retailer
-
$8,778 USD
A
Retailer 2
-
$9,126 USD
HK$71,300 HKD
View
Retailer 3
-
$9,390 USD
View
Price last confirmed 13 days ago
A
Retailer 4
-
$10,341 USD
£8,143 GBP
View
A
Retailer 5
-
$10,789 USD
View
A
Retailer 6
-
$14,015 USD
€13,348 EUR
View
A
Retailer 7
-
$15,130 USD
View
B+
Retailer 8
-
$16,585 USD
£13,059 GBP
View
B+
Retailer 9
-
$23,043 USD
View
B+
Retailer 10
-
$23,805 USD
View
B+
Retailer 11
-
$23,831 USD
A$36,663 AUD
View
B
Retailer 12
-
$28,357 USD
View
Most Expensive
B
With Clarity
828680593 · Oct 31
$34,030 USD
View
12 more retailers have this diamond
Prices start from $8,778 USDSave up to $25,252 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
5.29ct Cushion
$8,778 USD