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Cushion|Lab Grown|IGI

5.10ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG787622989

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG787622989

Diamond specifications and retailer prices

From $11,599 AUD
$8,148 USD
As of October 30, 2026
Save $59,168 AUD (84%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $70,767 AUD at With Clarity · As of October 31, 2026
View at With Clarity

About this 5.1ct lab-grown cushion diamond

This 5.1ct 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 LG787622989 or 787622989. Listed at 12 retailers as of October 30, 2026, with prices from $11,599 to $70,767, a $59,168 spread on the same certified stone. With Clarity lists it at $70,767. 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

5.10
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787622989
Dimensions11.60 × 9.22 × 6.03 mm
L/W Ratio1.26
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
11.60 mm9.22 mm5.10 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787622989
Side View
Table 61.0%Crown 35.4°Girdle: MED-STKPavilion 35°Culet: NoneDepth 65.4%

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: Oct 30
Current: $16,117 AUD|Low: $11,599 AUD|High: $72,339 AUD|Avg: $28,501 AUD|-15.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
With Clarity
October 31, 2026
Retailer 4$11,599 AUD
Retailer 2$13,987 AUD
Retailer 7$14,231 AUD
Retailer 3$14,852 AUD
Retailer 1$16,117 AUD
Retailer 8$22,012 AUD
Retailer 5$22,849 AUD
Retailer 9$24,896 AUD
Retailer 10$36,737 AUD
Retailer 6$42,657 AUD
With Clarity$70,767 AUD

40 data points across 11 retailers

12 retailers$11,599 AUD to $70,767 AUD

A
Cheapest Retailer
-
$11,599 AUD
$8,148 USD
A
Retailer 2
-
$13,987 AUD
$9,825 USD
View
A
Retailer 3
-
$14,231 AUD
HK$78,100 HKD
View
A
Retailer 4
-
$14,852 AUD
$10,433 USD
View
A
Retailer 5
-
$16,117 AUD
£8,915 GBP
View
Retailer 6
-
$18,998 AUD
$13,345 USD
View
Price last confirmed 82 days ago
A
Retailer 7
-
$22,012 AUD
€14,726 EUR
View
A
Retailer 8
-
$22,849 AUD
$16,050 USD
View
B+
Retailer 9
-
$24,896 AUD
£13,770 GBP
View
B+
Retailer 10
-
$36,737 AUD
$25,806 USD
View
B
Retailer 11
-
$42,657 AUD
$29,964 USD
View
Most Expensive
B
With Clarity
787622989 · Oct 31
$70,767 AUD
$49,710 USD
View
11 more retailers have this diamond
Prices start from $11,599 AUDSave up to $59,168 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
5.10ct Cushion
$11,599 AUD