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Radiant|Lab Grown|IGI

3.21ct E FL Radiant Lab Grown Diamond

ID • E/FL • IGI LG761510442

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

Certificate IGI LG761510442

Diamond specifications and retailer prices

From $5,381 AUD
$3,780 USD
As of October 30, 2026
Save $16,911 AUD (76%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $22,292 AUD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 3.21ct lab-grown radiant diamond

This 3.21ct lab-grown radiant sits in the three to five carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG761510442 or 761510442. Listed at 19 retailers as of October 30, 2026, with prices from $5,381 to $22,292, a $16,911 spread on the same certified stone. Taylor and Hart lists it at $22,292. 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

3.21
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44°
Pavilion angle31.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG761510442
Dimensions9.96 × 7.16 × 4.81 mm
L/W Ratio1.39
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.96 mm7.16 mm3.21 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG761510442
Side View
Table 68.0%Crown 44°Girdle: Slightly ThickPavilion 31.2°Culet: NoneDepth 67.2%

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: $8,253 AUD|Low: $5,166 AUD|High: $22,292 AUD|Avg: $11,095 AUD|-3.1%
Retailer 1
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
Taylor and Hart
October 31, 2026
Retailer 12$5,381 AUD
Retailer 16$5,639 AUD
Retailer 5$5,993 AUD
Retailer 7$6,025 AUD
Retailer 13$6,242 AUD
Retailer 10$7,386 AUD
Retailer 15$7,800 AUD
Retailer 1$8,253 AUD
Retailer 17$9,118 AUD
Retailer 8$9,655 AUD
Retailer 2$9,782 AUD
Retailer 3$10,940 AUD
Retailer 14$13,440 AUD
Retailer 11$14,663 AUD
Retailer 4$15,887 AUD
Retailer 6$15,925 AUD
Retailer 9$21,470 AUD
Taylor and Hart$22,292 AUD

39 data points across 18 retailers

19 retailers$5,381 AUD to $22,292 AUD

A
Cheapest Retailer
-
$5,381 AUD
$3,780 USD
A
Retailer 2
-
$5,639 AUD
$3,961 USD
View
B+
Retailer 3
-
$5,993 AUD
$4,210 USD
View
A
Retailer 4
-
$6,025 AUD
$4,232 USD
View
Final sale: no returns
B+
Retailer 5
-
$6,242 AUD
$4,385 USD
View
B+
Retailer 6
-
$7,386 AUD
$5,188 USD
View
B+
Retailer 7
-
$7,800 AUD
$5,479 USD
View
B+
Retailer 8
-
$8,253 AUD
£4,565 GBP
View
B+
Retailer 9
-
$9,118 AUD
$6,405 USD
View
B+
Retailer 10
-
$9,655 AUD
£5,340 GBP
View
Retailer 11
-
$9,782 AUD
€6,544 EUR
View
Price last confirmed 7 days ago
B+
Retailer 12
-
$10,940 AUD
$7,685 USD
View
B
Retailer 13
-
$13,440 AUD
£7,434 GBP
View
B
Retailer 14
-
$14,663 AUD
$10,300 USD
View
B
Retailer 15
-
$15,174 AUD
$10,659 USD
View
B
Retailer 16
-
$15,887 AUD
$11,160 USD
View
B
Retailer 17
-
$15,925 AUD
$11,186 USD
View
B
Retailer 18
-
$21,470 AUD
SGD 20,380 SGD
View
Most Expensive
B
Taylor and Hart
WXSO6VW · Oct 30
$22,292 AUD
$15,659 USD
View
18 more retailers have this diamond
Prices start from $5,381 AUDSave up to $16,911 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
3.21ct Radiant
$5,381 AUD