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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 $2,036 USD
As of October 27, 2026
Save $9,464 USD (82%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $11,500 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

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 27, 2026, with prices from $2,036 to $11,500, a $9,464 spread on the same certified stone. Brilliant Earth lists it at $11,500. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $11,500 USD|Low: $2,036 USD|High: $11,510 USD|Avg: $5,146 USD|+1.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
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Retailer 11
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Retailer 15
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Retailer 21
October 29, 2026
Retailer 10$2,036 USD
Retailer 18$2,215 USD
Retailer 9$2,361 USD
Retailer 6$2,394 USD
Retailer 19$2,493 USD
Retailer 17$2,530 USD
Retailer 13$3,239 USD
Retailer 8$3,246 USD
Retailer 3$3,451 USD
Retailer 4$3,466 USD
Retailer 21$3,695 USD
Retailer 20$3,944 USD
Retailer 5$4,481 USD
Retailer 2$5,484 USD
Retailer 7$6,169 USD
Retailer 16$6,520 USD
Retailer 15$6,781 USD
Retailer 11$8,262 USD
Retailer 14$8,358 USD
Retailer 12$9,152 USD
Brilliant Earth$11,500 USD

28 data points across 21 retailers

22 retailers$2,036 USD to $11,500 USD

A
Cheapest Retailer
-
$2,036 USD
A
Retailer 2
-
$2,215 USD
View
A
Retailer 3
-
$2,361 USD
View
A
Retailer 4
-
$2,394 USD
View
Final sale: no returns
A
Retailer 5
-
$2,493 USD
View
A
Retailer 6
-
$2,498 USD
View
Price last confirmed 18 days ago
A
Retailer 7
-
$2,530 USD
View
A
Retailer 8
-
$3,239 USD
£2,550 GBP
View
A
Retailer 9
-
$3,246 USD
View
A
Retailer 10
-
$3,451 USD
View
A
Retailer 11
-
$3,466 USD
View
B+
Retailer 12
-
$3,695 USD
View
B+
Retailer 13
-
$3,944 USD
€3,756 EUR
View
B+
Retailer 14
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$4,481 USD
£3,528 GBP
View
B+
Retailer 15
-
$5,484 USD
ZAR 88,587 ZAR
View
B+
Retailer 16
-
$6,169 USD
View
B+
Retailer 17
-
$6,520 USD
View
B+
Retailer 18
-
$6,781 USD
£5,339 GBP
View
B
Retailer 19
-
$8,262 USD
View
B
Retailer 20
-
$8,358 USD
SGD 11,294 SGD
View
B
Retailer 21
-
$9,152 USD
View
Most Expensive
B
Brilliant Earth
21434192A · Oct 29
$11,500 USD
View
21 more retailers have this diamond
Prices start from $2,036 USDSave up to $9,464 USD

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
$2,036 USD