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Radiant|Lab Grown|IGI

3.13ct E FL Radiant Lab Grown Diamond

ID • E/FL • IGI LG818654284

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

Certificate IGI LG818654284

Diamond specifications and retailer prices

From $2,898 AUD
$2,036 USD
As of October 30, 2026
Save $10,130 AUD (78%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $13,029 AUD at With Clarity · As of October 31, 2026
View at With Clarity

About this 3.13ct lab-grown radiant diamond

This 3.13ct 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 LG818654284 or 818654284. Listed at 22 retailers as of October 30, 2026, with prices from $2,898 to $13,029, a $10,130 spread on the same certified stone. With Clarity lists it at $13,029. 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

3.13
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.9°
Pavilion angle34.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818654284
Dimensions9.87 × 7.26 × 4.99 mm
L/W Ratio1.36
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
9.87 mm7.26 mm3.13 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818654284
Side View
Table 59.0%Crown 40.9°Girdle: MED-STKPavilion 34.8°Culet: NoneDepth 68.7%

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: $4,625 AUD|Low: $2,898 AUD|High: $16,386 AUD|Avg: $7,085 AUD|-23.3%
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
Retailer 18
Retailer 19
Retailer 20
With Clarity
October 31, 2026
Retailer 10$2,898 AUD
Retailer 18$3,153 AUD
Retailer 9$3,361 AUD
Retailer 6$3,408 AUD
Retailer 19$3,549 AUD
Retailer 17$3,602 AUD
Retailer 8$4,621 AUD
Retailer 1$4,625 AUD
Retailer 3$4,913 AUD
Retailer 4$4,934 AUD
Retailer 2$5,260 AUD
Retailer 20$5,614 AUD
Retailer 5$6,379 AUD
Retailer 14$7,806 AUD
Retailer 7$8,782 AUD
Retailer 16$9,282 AUD
Retailer 15$9,653 AUD
Retailer 12$11,133 AUD
Retailer 11$11,762 AUD
Retailer 13$11,898 AUD
With Clarity$13,029 AUD

27 data points across 21 retailers

22 retailers$2,898 AUD to $13,029 AUD

A
Cheapest Retailer
-
$2,898 AUD
$2,036 USD
A
Retailer 2
-
$3,153 AUD
$2,215 USD
View
A
Retailer 3
-
$3,361 AUD
$2,361 USD
View
A
Retailer 4
-
$3,408 AUD
$2,394 USD
View
Final sale: no returns
A
Retailer 5
-
$3,549 AUD
$2,493 USD
View
Retailer 6
-
$3,556 AUD
$2,498 USD
View
Price last confirmed 20 days ago
A
Retailer 7
-
$3,602 AUD
$2,530 USD
View
A
Retailer 8
-
$4,621 AUD
$3,246 USD
View
A
Retailer 9
-
$4,625 AUD
£2,558 GBP
View
A
Retailer 10
-
$4,913 AUD
$3,451 USD
View
A
Retailer 11
-
$4,934 AUD
$3,466 USD
View
B+
Retailer 12
-
$5,260 AUD
$3,695 USD
View
Retailer 13
-
$5,614 AUD
€3,756 EUR
View
Price last confirmed 8 days ago
B+
Retailer 14
-
$6,379 AUD
£3,528 GBP
View
B+
Retailer 15
-
$7,806 AUD
ZAR 88,587 ZAR
View
B+
Retailer 16
-
$8,782 AUD
$6,169 USD
View
B+
Retailer 17
-
$9,282 AUD
$6,520 USD
View
B+
Retailer 18
-
$9,653 AUD
£5,339 GBP
View
B
Retailer 19
-
$11,133 AUD
$7,820 USD
View
B
Retailer 20
-
$11,762 AUD
$8,262 USD
View
B
Retailer 21
-
$11,898 AUD
SGD 11,294 SGD
View
Most Expensive
B
With Clarity
818654284 · Oct 31
$13,029 AUD
$9,152 USD
View
21 more retailers have this diamond
Prices start from $2,898 AUDSave up to $10,130 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
3.13ct Radiant
$2,898 AUD