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Cushion|Lab Grown|IGI

5.39ct D FL Cushion Lab Grown Diamond

EX • D/FL • IGI LG817695377

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

Certificate IGI LG817695377

Diamond specifications and retailer prices

From $10,898 AUD
$7,655 USD
As of November 1, 2026
Save $43,949 AUD (80%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $54,847 AUD at With Clarity · As of October 31, 2026
View at With Clarity

About this 5.39ct lab-grown cushion diamond

This 5.39ct 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 LG817695377 or 817695377. Listed at 18 retailers as of October 31, 2026, with prices from $10,898 to $54,847, a $43,949 spread on the same certified stone. With Clarity lists it at $54,847. 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

5.39
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817695377
Dimensions10.43 × 9.54 × 6.43 mm
L/W Ratio1.09
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
10.43 mm9.54 mm5.39 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817695377
Side View
Table 58.0%Crown 34.3°Girdle: MED-THKPavilion 35.4°Culet: NoneDepth 67.4%

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: Nov 1
Current: $15,039 AUD|Low: $10,898 AUD|High: $54,847 AUD|Avg: $24,042 AUD|-16.8%
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
Retailer 14
Retailer 15
Retailer 16
With Clarity
November 1, 2026
Retailer 3$10,898 AUD
Retailer 10$11,789 AUD
Retailer 2$12,136 AUD
Retailer 7$12,212 AUD
Retailer 6$14,143 AUD
Retailer 1$15,039 AUD
Retailer 15$15,247 AUD
Retailer 4$15,873 AUD
Retailer 5$17,487 AUD
Retailer 9$23,688 AUD
Retailer 14$24,106 AUD
Retailer 12$24,144 AUD
Retailer 11$24,576 AUD
Retailer 13$24,810 AUD
Retailer 8$40,895 AUD
Retailer 16$50,079 AUD
With Clarity$54,847 AUD

31 data points across 17 retailers

18 retailers$10,898 AUD to $54,847 AUD

A
Cheapest Retailer
-
$10,898 AUD
$7,655 USD
A
Retailer 2
-
$11,789 AUD
$8,281 USD
View
Final sale: no returns
A
Retailer 3
-
$12,136 AUD
$8,525 USD
View
Retailer 4
-
$12,212 AUD
$8,578 USD
View
Price last confirmed 15 days ago
A
Retailer 5
-
$14,143 AUD
$9,935 USD
View
A
Retailer 6
-
$15,039 AUD
£8,318 GBP
View
Retailer 7
-
$15,247 AUD
$10,710 USD
View
Price last confirmed 13 days ago
A
Retailer 8
-
$15,873 AUD
$11,150 USD
View
A
Retailer 9
-
$17,487 AUD
£9,672 GBP
View
A
Retailer 10
-
$22,674 AUD
$15,927 USD
View
B+
Retailer 11
-
$23,688 AUD
€15,847 EUR
View
B+
Retailer 12
-
$24,106 AUD
£13,333 GBP
View
B+
Retailer 13
-
$24,144 AUD
$16,960 USD
View
B+
Retailer 14
-
$24,576 AUD
$17,263 USD
View
B+
Retailer 15
-
$24,810 AUD
ZAR 281,549 ZAR
View
B+
Retailer 16
-
$40,895 AUD
$28,727 USD
View
B
Retailer 17
-
$50,079 AUD
SGD 47,537 SGD
View
Most Expensive
B
With Clarity
817695377 · Oct 31
$54,847 AUD
$38,527 USD
View
17 more retailers have this diamond
Prices start from $10,898 AUDSave up to $43,949 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
5.39ct Cushion
$10,898 AUD