CaratHunter
Plans
Round|Lab Grown|IGI

3.10ct E SI2 Round Lab Grown Diamond

ID • E/SI2 • IGI LG660419669

Shape and cutting style on the report: Round brilliant

Certificate IGI LG660419669

Diamond specifications and retailer prices

From $501 AUD
$352 USD
As of October 29, 2026
Save $2,012 AUD (80%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,513 AUD at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 3.1ct lab-grown round diamond

This 3.1ct lab-grown round sits in the three to five carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG660419669 or 660419669. Listed at 13 retailers as of October 28, 2026, with prices from $501 to $2,513, a $2,012 spread on the same certified stone. Rare Carat lists it at $2,513. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.10
Carat
E
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG660419669
Dimensions9.42 × 9.39 × 5.73 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.42 mm9.39 mm3.10 ctE / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG660419669
Side View
Table 58.0%Crown 34.4°Girdle: MediumPavilion 40.9°Culet: NoneDepth 60.9%

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 29
Current: $2,513 AUD|Low: $501 AUD|High: $6,074 AUD|Avg: $1,986 AUD|-13.2%
Rare Carat
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
October 30, 2026
Retailer 9$501 AUD
Retailer 5$582 AUD
Retailer 4$622 AUD
Retailer 13$692 AUD
Retailer 2$989 AUD
Retailer 10$996 AUD
Retailer 15$999 AUD
Retailer 12$1,075 AUD
Retailer 8$1,116 AUD
Retailer 14$1,399 AUD
Retailer 3$1,999 AUD
Retailer 11$2,443 AUD
Rare Carat$2,513 AUD
Retailer 7$5,652 AUD
Retailer 6$6,074 AUD

4 data points across 15 retailers

13 retailers$501 AUD to $2,513 AUD

A
Cheapest Retailer
-
$501 AUD
$352 USD
A
Retailer 2
-
$582 AUD
$409 USD
View
A
Retailer 3
-
$622 AUD
$437 USD
View
A
Retailer 4
-
$692 AUD
HK$3,800 HKD
View
A
Retailer 5
-
$989 AUD
£547 GBP
View
A
Retailer 6
-
$996 AUD
€666 EUR
View
B+
Retailer 7
-
$999 AUD
$702 USD
View
A
Retailer 8
-
$1,075 AUD
$755 USD
View
A
Retailer 9
-
$1,116 AUD
£617 GBP
View
B+
Retailer 10
-
$1,399 AUD
$983 USD
View
B
Retailer 11
-
$1,999 AUD
$1,404 USD
View
B
Retailer 12
-
$2,443 AUD
£1,351 GBP
View
Most Expensive
B
Rare Carat
KI6694196KF660 · Oct 28
$2,513 AUD
$1,765 USD
View
12 more retailers have this diamond
Prices start from $501 AUDSave up to $2,012 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 Round
$501 AUD