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Radiant|Lab Grown|IGI

3.10ct E FL Radiant Lab Grown Diamond

EX • E/FL • IGI LG821638890

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

Certificate IGI LG821638890

Diamond specifications and retailer prices

From $2,819 AUD
$1,980 USD
As of October 31, 2026
Save $12,884 AUD (82%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $15,702 AUD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 3.1ct lab-grown radiant diamond

This 3.1ct 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 LG821638890 or 821638890. Listed at 13 retailers as of October 31, 2026, with prices from $2,819 to $15,702, a $12,884 spread on the same certified stone. Do Amore Diamonds lists it at $15,702. 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

3.10
Carat
E
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.8°
Pavilion angle34°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821638890
Dimensions10.40 × 7.16 × 4.73 mm
L/W Ratio1.45
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
10.40 mm7.16 mm3.10 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821638890
Side View
Table 63.0%Crown 44.8°Girdle: MED-STKPavilion 34°Culet: NoneDepth 66.1%

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 31
Current: $15,702 AUD|Low: $2,783 AUD|High: $16,806 AUD|Avg: $8,714 AUD
Do Amore 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 7$2,819 AUD
Retailer 10$3,663 AUD
Retailer 8$4,165 AUD
Retailer 5$4,573 AUD
Retailer 9$4,682 AUD
Retailer 12$5,516 AUD
Retailer 11$8,358 AUD
Retailer 6$8,969 AUD
Retailer 3$8,997 AUD
Retailer 2$11,218 AUD
Retailer 4$12,904 AUD
Do Amore Diamonds$15,702 AUD

28 data points across 12 retailers

13 retailers$2,819 AUD to $15,702 AUD

Retailer 1
-
$2,641 AUD
$1,855 USD
Price last confirmed 14 days ago
A
Retailer 2
-
$2,819 AUD
$1,980 USD
View
Retailer 3
-
$2,874 AUD
$2,019 USD
View
Price last confirmed 17 days ago
A
Retailer 4
-
$3,663 AUD
$2,573 USD
View
A
Retailer 5
-
$4,116 AUD
$2,891 USD
View
A
Retailer 6
-
$4,165 AUD
$2,926 USD
View
A
Retailer 7
-
$4,682 AUD
$3,289 USD
View
Retailer 8
-
$5,743 AUD
$4,034 USD
View
Price last confirmed 14 days ago
B+
Retailer 9
-
$8,358 AUD
£4,623 GBP
View
B+
Retailer 10
-
$8,969 AUD
$6,300 USD
View
Retailer 11
-
$8,997 AUD
$6,320 USD
View
Price last confirmed 15 days ago
B
Retailer 12
-
$11,218 AUD
$7,880 USD
View
Most Expensive
B
Do Amore Diamonds
27-661F6BE24 · Oct 31
$15,702 AUD
$11,030 USD
View
12 more retailers have this diamond
Prices start from $2,819 AUDSave up to $12,884 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
3.10ct Radiant
$2,819 AUD