CaratHunter
Plans
Cushion|Lab Grown|IGI

3.10ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG754594698

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG754594698

Diamond specifications and retailer prices

From $3,344 AUD
$2,349 USD
As of November 2, 2026
Save $15,519 AUD (82%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $18,863 AUD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.1ct lab-grown cushion diamond

This 3.1ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG754594698 or 754594698. Listed at 15 retailers as of October 31, 2026, with prices from $3,344 to $18,863, a $15,519 spread on the same certified stone. Brilliant Earth lists it at $18,863. 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

3.10
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle37.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754594698
Dimensions9.63 × 7.98 × 5.25 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
9.63 mm7.98 mm3.10 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754594698
Side View
Table 60.0%Crown 34.3°Girdle: MED-STKPavilion 37.3°Culet: NoneDepth 65.8%

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 2
Current: $18,863 AUD|Low: $3,344 AUD|High: $20,934 AUD|Avg: $9,039 AUD|+0.9%
Brilliant Earth
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
November 2, 2026
Retailer 12$3,344 AUD
Retailer 4$3,827 AUD
Retailer 2$4,315 AUD
Retailer 11$4,637 AUD
Retailer 9$4,738 AUD
Retailer 10$4,996 AUD
Retailer 5$7,287 AUD
Retailer 13$8,455 AUD
Retailer 6$8,524 AUD
Retailer 8$8,962 AUD
Retailer 7$9,303 AUD
Retailer 3$10,990 AUD
Retailer 15$11,078 AUD
Retailer 14$12,130 AUD
Brilliant Earth$18,863 AUD

32 data points across 15 retailers

15 retailers$3,344 AUD to $18,863 AUD

A
Cheapest Retailer
-
$3,344 AUD
$2,349 USD
A
Retailer 2
-
$3,827 AUD
HK$21,000 HKD
View
A
Retailer 3
-
$4,315 AUD
£2,387 GBP
View
A
Retailer 4
-
$4,637 AUD
$3,257 USD
View
A
Retailer 5
-
$4,738 AUD
$3,328 USD
View
A
Retailer 6
-
$4,996 AUD
€3,342 EUR
View
B+
Retailer 7
-
$7,287 AUD
ZAR 82,691 ZAR
View
B+
Retailer 8
-
$8,455 AUD
$5,939 USD
View
B+
Retailer 9
-
$8,524 AUD
$5,988 USD
View
B+
Retailer 10
-
$8,962 AUD
£4,957 GBP
View
Retailer 11
-
$9,303 AUD
$6,535 USD
View
Price last confirmed 12 days ago
B+
Retailer 12
-
$10,990 AUD
$7,720 USD
View
B+
Retailer 13
-
$11,078 AUD
SGD 10,516 SGD
View
B
Retailer 14
-
$12,130 AUD
$8,521 USD
View
Most Expensive
B
Brilliant Earth
17981668A · Oct 31
$18,863 AUD
$13,250 USD
View
14 more retailers have this diamond
Prices start from $3,344 AUDSave up to $15,519 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
3.10ct Cushion
$3,344 AUD