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Cushion|Lab Grown|IGI

5.11ct E FL Cushion Lab Grown Diamond

ID • E/FL • IGI LG804659238

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG804659238

Diamond specifications and retailer prices

From $10,424 AUD
$7,322 USD
As of October 29, 2026
Save $36,847 AUD (78%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $47,271 AUD at With Clarity · As of October 30, 2026
View at With Clarity

About this 5.11ct lab-grown cushion diamond

This 5.11ct lab-grown cushion sits in the over five carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG804659238 or 804659238. Listed at 14 retailers as of October 29, 2026, with prices from $10,424 to $47,271, a $36,847 spread on the same certified stone. With Clarity lists it at $47,271. 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

5.11
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.7°
Pavilion angle35.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804659238
Dimensions11.05 × 9.32 × 6.17 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
11.05 mm9.32 mm5.11 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804659238
Side View
Table 63.0%Crown 37.7°Girdle: MED-STKPavilion 35.8°Culet: NoneDepth 66.2%

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: $20,201 AUD|Low: $10,424 AUD|High: $47,271 AUD|Avg: $23,197 AUD|-33.0%
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
With Clarity
October 30, 2026
Retailer 11$10,424 AUD
Retailer 2$12,196 AUD
Retailer 3$12,683 AUD
Retailer 13$13,909 AUD
Retailer 6$14,351 AUD
Retailer 10$14,627 AUD
Retailer 8$19,606 AUD
Retailer 1$20,201 AUD
Retailer 4$21,303 AUD
Retailer 9$23,030 AUD
Retailer 7$23,704 AUD
Retailer 12$32,008 AUD
Retailer 5$39,749 AUD
With Clarity$47,271 AUD

39 data points across 14 retailers

14 retailers$10,424 AUD to $47,271 AUD

A
Cheapest Retailer
-
$10,424 AUD
$7,322 USD
A
Retailer 2
-
$12,196 AUD
$8,567 USD
View
A
Retailer 3
-
$12,683 AUD
HK$69,600 HKD
View
A
Retailer 4
-
$13,909 AUD
$9,770 USD
View
A
Retailer 5
-
$14,351 AUD
£7,938 GBP
View
Retailer 6
-
$14,627 AUD
$10,275 USD
View
Price last confirmed 11 days ago
A
Retailer 7
-
$19,606 AUD
€13,116 EUR
View
B+
Retailer 8
-
$20,201 AUD
$14,190 USD
View
A
Retailer 9
-
$21,303 AUD
$14,964 USD
View
A
Retailer 10
-
$23,030 AUD
£12,738 GBP
View
B+
Retailer 11
-
$23,704 AUD
ZAR 268,993 ZAR
View
B+
Retailer 12
-
$32,008 AUD
$22,484 USD
View
B
Retailer 13
-
$39,749 AUD
$27,922 USD
View
Most Expensive
B
With Clarity
804659238 · Oct 30
$47,271 AUD
$33,205 USD
View
13 more retailers have this diamond
Prices start from $10,424 AUDSave up to $36,847 AUD

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
5.11ct Cushion
$10,424 AUD