CaratHunter
Plans
Round|Lab Grown|IGI

3.86ct E SI2 Round Lab Grown Diamond

ID • E/SI2 • IGI LG814638026

Shape and cutting style on the report: Round brilliant

Certificate IGI LG814638026

Diamond specifications and retailer prices

From $595 AUD
$418 USD
As of October 26, 2026
Save $5,910 AUD (91%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $6,505 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.86ct lab-grown round diamond

This 3.86ct 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 LG814638026 or 814638026. Listed at 17 retailers as of October 26, 2026, with prices from $595 to $6,505, a $5,910 spread on the same certified stone. Brilliant Earth lists it at $6,505. 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

3.86
Carat
E
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG814638026
Dimensions10.07 × 9.99 × 6.23 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.07 mm9.99 mm3.86 ctE / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG814638026
Side View
Table 58.0%Crown 34.3°Girdle: MediumPavilion 41.2°Culet: NoneDepth 62.0%

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 26
Current: $6,505 AUD|Low: $572 AUD|High: $6,704 AUD|Avg: $1,926 AUD|-3.0%
Brilliant Earth
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
October 29, 2026
Retailer 3$595 AUD
Retailer 4$666 AUD
Retailer 8$668 AUD
Retailer 9$739 AUD
Retailer 11$802 AUD
Retailer 2$1,115 AUD
Retailer 17$1,166 AUD
Retailer 13$1,205 AUD
Retailer 7$1,216 AUD
Retailer 10$1,701 AUD
Retailer 16$1,774 AUD
Retailer 5$1,929 AUD
Retailer 12$2,317 AUD
Retailer 6$2,374 AUD
Retailer 14$2,717 AUD
Retailer 15$3,366 AUD
Brilliant Earth$6,505 AUD

42 data points across 17 retailers

17 retailers$595 AUD to $6,505 AUD

A
Cheapest Retailer
-
$595 AUD
$418 USD
A
Retailer 2
-
$666 AUD
$468 USD
View
Final sale: no returns
A
Retailer 3
-
$668 AUD
$469 USD
View
A
Retailer 4
-
$739 AUD
$519 USD
View
A
Retailer 5
-
$802 AUD
HK$4,400 HKD
View
A
Retailer 6
-
$1,115 AUD
€746 EUR
View
B+
Retailer 7
-
$1,166 AUD
$819 USD
View
A
Retailer 8
-
$1,205 AUD
£667 GBP
View
A
Retailer 9
-
$1,216 AUD
$854 USD
View
B+
Retailer 10
-
$1,701 AUD
View
B+
Retailer 11
-
$1,774 AUD
$1,246 USD
View
B+
Retailer 12
-
$1,929 AUD
$1,355 USD
View
B+
Retailer 13
-
$2,317 AUD
SGD 2,200 SGD
View
B+
Retailer 14
-
$2,374 AUD
$1,668 USD
View
B+
Retailer 15
-
$2,717 AUD
£1,503 GBP
View
B
Retailer 16
-
$3,366 AUD
$2,365 USD
View
Most Expensive
B
Brilliant Earth
20541259A · Oct 29
$6,505 AUD
$4,570 USD
View
16 more retailers have this diamond
Prices start from $595 AUDSave up to $5,910 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
3.86ct Round
$595 AUD