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Cushion|Lab Grown|IGI

3.00ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG807639350

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

Certificate IGI LG807639350

Diamond specifications and retailer prices

From $2,244 AUD
$1,576 USD
As of October 30, 2026
Save $7,793 AUD (78%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $10,871 AUD at Novita Diamonds · As of October 8, 2026
View at Novita Diamonds

About this 3ct lab-grown cushion diamond

This 3ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG807639350 or 807639350. Listed at 13 retailers as of October 30, 2026, with a 347% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.00
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.5°
Pavilion angle37.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG807639350
Dimensions8.47 × 8.20 × 5.38 mm
L/W Ratio1.03
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
8.47 mm8.20 mm3.00 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG807639350
Side View
Table 61.0%Crown 37.5°Girdle: STK-THKPavilion 37.5°Culet: NoneDepth 65.6%

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: $10,871 AUD|Low: $2,244 AUD|High: $11,604 AUD|Avg: $5,807 AUD|+1.6%
Novita Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 2$2,244 AUD
Retailer 9$2,296 AUD
Retailer 5$2,734 AUD
Retailer 12$2,847 AUD
Retailer 8$3,049 AUD
Retailer 7$4,191 AUD
Retailer 4$5,637 AUD
Retailer 6$6,598 AUD
Retailer 3$7,026 AUD
Retailer 10$9,621 AUD
Retailer 11$10,036 AUD
Novita Diamonds$10,871 AUD

42 data points across 12 retailers

13 retailers$2,244 AUD to $10,036 AUD

A
Cheapest Retailer
-
$2,244 AUD
$1,576 USD
A
Retailer 2
-
$2,296 AUD
HK$12,600 HKD
View
A
Retailer 3
-
$2,734 AUD
£1,512 GBP
View
A
Retailer 4
-
$2,847 AUD
$2,000 USD
View
A
Retailer 5
-
$3,049 AUD
€2,040 EUR
View
A
Retailer 6
-
$4,191 AUD
$2,944 USD
View
B+
Retailer 7
-
$5,637 AUD
$3,960 USD
View
B+
Retailer 8
-
$6,598 AUD
$4,635 USD
View
Retailer 9
-
$7,026 AUD
£3,886 GBP
View
Price last confirmed 9 days ago
Retailer 10
-
$8,158 AUD
$5,731 USD
View
Price last confirmed 60 days ago
B+
Retailer 11
-
$9,621 AUD
$6,758 USD
View
B+
Retailer 12
-
$10,036 AUD
$7,050 USD
View
Most Expensive
Novita Diamonds
cert_807639350 · Oct 8
$10,871 AUD
View
Price last confirmed 22 days ago
12 more retailers have this diamond
Prices start from $2,244 AUDSave up to $7,793 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
3.00ct Cushion
$2,244 AUD