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Radiant|Lab Grown|IGI

3.10ct E FL Radiant Lab Grown Diamond

EX • E/FL • IGI LG768630427

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

Certificate IGI LG768630427

Diamond specifications and retailer prices

From $3,391 AUD
$2,382 USD
As of October 30, 2026
Save $8,940 AUD (73%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $12,331 AUD at With Clarity · As of October 30, 2026
View at With Clarity

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 LG768630427 or 768630427. Listed at 14 retailers as of October 30, 2026, with prices from $3,391 to $12,331, a $8,940 spread on the same certified stone. With Clarity lists it at $12,331. 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 angle40.5°
Pavilion angle33.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768630427
Dimensions10.55 × 7.31 × 4.77 mm
L/W Ratio1.44
Culet sizePointed
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
10.55 mm7.31 mm3.10 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768630427
Side View
Table 63.0%Crown 40.5°Girdle: MediumPavilion 33.6°Culet: NoneDepth 65.3%

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 30
Current: $12,286 AUD|Low: $3,391 AUD|High: $16,514 AUD|Avg: $8,354 AUD|-25.6%
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
With Clarity
October 30, 2026
Retailer 12$3,391 AUD
Retailer 2$3,900 AUD
Retailer 6$4,386 AUD
Retailer 13$4,809 AUD
Retailer 11$4,815 AUD
Retailer 5$5,300 AUD
Retailer 7$7,406 AUD
Retailer 10$8,350 AUD
Retailer 3$8,594 AUD
Retailer 9$9,061 AUD
Retailer 8$9,157 AUD
Retailer 4$11,167 AUD
Retailer 1$12,286 AUD
With Clarity$12,331 AUD

40 data points across 14 retailers

14 retailers$3,391 AUD to $12,331 AUD

A
Cheapest Retailer
-
$3,391 AUD
$2,382 USD
A
Retailer 2
-
$3,900 AUD
HK$21,400 HKD
View
A
Retailer 3
-
$4,386 AUD
£2,426 GBP
View
A
Retailer 4
-
$4,809 AUD
$3,378 USD
View
A
Retailer 5
-
$4,815 AUD
$3,382 USD
View
Retailer 6
-
$5,300 AUD
€3,546 EUR
View
Price last confirmed 7 days ago
B+
Retailer 7
-
$7,406 AUD
ZAR 84,039 ZAR
View
B+
Retailer 8
-
$8,350 AUD
$5,865 USD
View
B+
Retailer 9
-
$8,594 AUD
$6,037 USD
View
B+
Retailer 10
-
$9,061 AUD
$6,365 USD
View
B
Retailer 11
-
$9,157 AUD
£5,065 GBP
View
B
Retailer 12
-
$11,167 AUD
$7,844 USD
View
B
Retailer 13
-
$12,286 AUD
$8,630 USD
View
Most Expensive
B
With Clarity
768630427 · Oct 30
$12,331 AUD
$8,662 USD
View
13 more retailers have this diamond
Prices start from $3,391 AUDSave up to $8,940 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
$3,391 AUD