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Cushion|Lab Grown|IGI

5.17ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG780662161

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG780662161

Diamond specifications and retailer prices

From $8,970 AUD
$6,301 USD
As of October 30, 2026
Save $49,981 AUD (85%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $58,951 AUD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 5.17ct lab-grown cushion diamond

This 5.17ct 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 LG780662161 or 780662161. Listed at 11 retailers as of October 30, 2026, with prices from $8,970 to $58,951, a $49,981 spread on the same certified stone. Do Amore Diamonds lists it at $58,951. 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

5.17
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.1°
Pavilion angle36.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780662161
Dimensions11.30 × 9.37 × 6.18 mm
L/W Ratio1.21
Girdle conditionFaceted
Culet sizePointed
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
11.30 mm9.37 mm5.17 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780662161
Side View
Table 58.0%Crown 32.1°Girdle: STK-THKPavilion 36.3°Culet: NoneDepth 66.0%

Caratlytics Score

How it works →
A+
Exceptional
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 30
Current: $58,951 AUD|Low: $8,970 AUD|High: $69,903 AUD|Avg: $27,268 AUD|-14.2%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 5$8,970 AUD
Retailer 8$9,823 AUD
Retailer 7$11,123 AUD
Retailer 12$13,012 AUD
Retailer 11$15,492 AUD
Retailer 3$17,581 AUD
Retailer 2$19,203 AUD
Retailer 9$22,050 AUD
Retailer 6$23,162 AUD
Retailer 10$27,574 AUD
Do Amore Diamonds$58,951 AUD
Retailer 4$69,903 AUD

31 data points across 12 retailers

11 retailers$8,970 AUD to $58,951 AUD

A+
Cheapest Retailer
-
$8,970 AUD
$6,301 USD
A
Retailer 2
-
$9,823 AUD
$6,900 USD
View
A
Retailer 3
-
$11,123 AUD
$7,813 USD
View
A
Retailer 4
-
$13,012 AUD
$9,140 USD
View
Final sale: no returns
A
Retailer 5
-
$15,492 AUD
$10,882 USD
View
Retailer 6
-
$17,581 AUD
$12,349 USD
View
Price last confirmed 82 days ago
A
Retailer 7
-
$19,203 AUD
€12,847 EUR
View
A
Retailer 8
-
$22,050 AUD
£12,196 GBP
View
B+
Retailer 9
-
$23,162 AUD
$16,270 USD
View
B+
Retailer 10
-
$27,574 AUD
$19,369 USD
View
Most Expensive
B
Do Amore Diamonds
27-15999F6D0 · Oct 31
$58,951 AUD
$41,410 USD
View
10 more retailers have this diamond
Prices start from $8,970 AUDSave up to $49,981 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+
5.17ct Cushion
$8,970 AUD