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Radiant|Lab Grown|IGI

3.50ct E IF Radiant Lab Grown Diamond

EX • E/IF • IGI LG772686353

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG772686353

Diamond specifications and retailer prices

From $2,050 AUD
$1,440 USD
As of October 30, 2026
Save $14,504 AUD (88%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $16,554 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.5ct lab-grown radiant diamond

This 3.5ct lab-grown radiant 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 LG772686353 or 772686353. Listed at 19 retailers as of October 29, 2026, with prices from $2,050 to $16,554, a $14,504 spread on the same certified stone. Brilliant Earth lists it at $16,554. 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

3.50
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.5°
Pavilion angle36.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG772686353
Dimensions7.82 × 7.82 × 5.24 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.82 mm7.82 mm3.50 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG772686353
Side View
Table 67.0%Crown 43.5°Girdle: MediumPavilion 36.5°Culet: NoneDepth 67.0%

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: $16,554 AUD|Low: $1,654 AUD|High: $454,670 AUD|Avg: $18,436 AUD|-2.9%
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
Retailer 16
Retailer 17
Retailer 18
October 30, 2026
Retailer 12$2,050 AUD
Retailer 16$2,213 AUD
Retailer 7$2,346 AUD
Retailer 6$2,811 AUD
Retailer 2$2,851 AUD
Retailer 14$3,124 AUD
Retailer 10$3,533 AUD
Retailer 15$4,434 AUD
Retailer 11$4,563 AUD
Retailer 13$4,751 AUD
Retailer 4$5,638 AUD
Retailer 17$5,867 AUD
Retailer 18$6,197 AUD
Retailer 3$6,347 AUD
Retailer 5$6,885 AUD
Retailer 8$8,203 AUD
Retailer 9$8,811 AUD
Brilliant Earth$16,554 AUD

29 data points across 18 retailers

19 retailers$2,050 AUD to $16,554 AUD

A
Cheapest Retailer
-
$2,050 AUD
$1,440 USD
Final sale: no returns
A
Retailer 2
-
$2,213 AUD
$1,555 USD
View
A
Retailer 3
-
$2,346 AUD
$1,648 USD
View
A
Retailer 4
-
$2,811 AUD
$1,975 USD
View
A
Retailer 5
-
$2,851 AUD
£1,577 GBP
View
A
Retailer 6
-
$3,124 AUD
€2,090 EUR
View
A
Retailer 7
-
$3,533 AUD
$2,482 USD
View
Retailer 8
-
$4,434 AUD
View
Price last confirmed 8 days ago
A
Retailer 9
-
$4,563 AUD
ZAR 51,789 ZAR
View
A
Retailer 10
-
$4,751 AUD
£2,628 GBP
View
B+
Retailer 11
-
$5,440 AUD
$3,822 USD
View
B+
Retailer 12
-
$5,638 AUD
$3,961 USD
View
B+
Retailer 13
-
$5,867 AUD
$4,122 USD
View
B+
Retailer 14
-
$6,197 AUD
$4,353 USD
View
B+
Retailer 15
-
$6,347 AUD
£3,511 GBP
View
B+
Retailer 16
-
$6,885 AUD
$4,837 USD
View
Retailer 17
-
$8,203 AUD
View
Price last confirmed 21 days ago
Retailer 18
-
$8,811 AUD
$6,190 USD
View
Price last confirmed 15 days ago
Most Expensive
B
Brilliant Earth
18433876A · Oct 29
$16,554 AUD
$11,630 USD
View
18 more retailers have this diamond
Prices start from $2,050 AUDSave up to $14,504 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
3.50ct Radiant
$2,050 AUD