CaratHunter
Plans
Round|Lab Grown|IGI

3.56ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG689536418

Shape and cutting style on the report: Round brilliant

Certificate IGI LG689536418

Diamond specifications and retailer prices

From $539 AUD
$379 USD
As of October 29, 2026
Save $2,179 AUD (80%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,719 AUD at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 3.56ct lab-grown round diamond

This 3.56ct lab-grown round sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG689536418 or 689536418. Listed at 14 retailers as of October 28, 2026, with prices from $539 to $2,719, a $2,179 spread on the same certified stone. Rare Carat lists it at $2,719. 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

3.56
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG689536418
Dimensions9.85 × 9.91 × 5.99 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.85 mm9.91 mm3.56 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG689536418
Side View
Table 57.0%Crown 34.4°Girdle: THN-MEDPavilion 40.8°Culet: NoneDepth 60.7%

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: $2,719 AUD|Low: $539 AUD|High: $7,288 AUD|Avg: $2,218 AUD|-27.6%
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
Retailer 16
October 30, 2026
Retailer 9$539 AUD
Retailer 6$605 AUD
Retailer 5$669 AUD
Retailer 15$747 AUD
Retailer 10$883 AUD
Retailer 13$899 AUD
Retailer 3$1,065 AUD
Retailer 11$1,069 AUD
Retailer 14$1,140 AUD
Retailer 2$1,207 AUD
Retailer 16$1,570 AUD
Retailer 4$2,151 AUD
Retailer 12$2,628 AUD
Rare Carat$2,719 AUD
Retailer 7$6,943 AUD
Retailer 8$7,288 AUD

4 data points across 16 retailers

14 retailers$539 AUD to $2,719 AUD

A
Cheapest Retailer
-
$539 AUD
$379 USD
A
Retailer 2
-
$605 AUD
$425 USD
View
A
Retailer 3
-
$669 AUD
$470 USD
View
A
Retailer 4
-
$747 AUD
HK$4,100 HKD
View
A
Retailer 5
-
$883 AUD
$620 USD
View
A
Retailer 6
-
$899 AUD
£497 GBP
View
B+
Retailer 7
-
$1,065 AUD
$748 USD
View
A
Retailer 8
-
$1,069 AUD
€715 EUR
View
A
Retailer 9
-
$1,140 AUD
$801 USD
View
A
Retailer 10
-
$1,207 AUD
£668 GBP
View
B+
Retailer 11
-
$1,570 AUD
$1,103 USD
View
B+
Retailer 12
-
$2,151 AUD
$1,511 USD
View
B
Retailer 13
-
$2,628 AUD
£1,454 GBP
View
Most Expensive
B
Rare Carat
KI4185364KF689 · Oct 28
$2,719 AUD
$1,910 USD
View
13 more retailers have this diamond
Prices start from $539 AUDSave up to $2,179 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
3.56ct Round
$539 AUD