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Round|Lab Grown|IGI

1.68ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG570333696

Shape and cutting style on the report: Round brilliant

Certificate IGI LG570333696

Diamond specifications and retailer prices

From $285 AUD
$200 USD
As of October 29, 2026
Save $2,448 AUD (90%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $2,733 AUD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.68ct lab-grown round diamond

This 1.68ct lab-grown round sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG570333696 or 570333696. Listed at 10 retailers as of October 29, 2026, with prices from $285 to $2,733, a $2,448 spread on the same certified stone. Do Amore Diamonds lists it at $2,733. 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

1.68
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG570333696
Dimensions7.62 × 7.61 × 4.65 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.62 mm7.61 mm1.68 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG570333696
Side View
Table 58.5%Crown 34.6°Girdle: MediumPavilion 40.7°Culet: NoneDepth 61.1%

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 29
Current: $2,733 AUD|Low: $238 AUD|High: $2,833 AUD|Avg: $1,033 AUD|-3.5%
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
Retailer 13
Retailer 14
October 29, 2026
Retailer 13$285 AUD
Retailer 14$323 AUD
Retailer 12$330 AUD
Retailer 11$613 AUD
Retailer 7$676 AUD
Retailer 5$784 AUD
Retailer 6$863 AUD
Retailer 8$982 AUD
Retailer 3$1,110 AUD
Retailer 9$1,139 AUD
Retailer 10$1,253 AUD
Retailer 2$1,571 AUD
Retailer 4$1,751 AUD
Do Amore Diamonds$2,733 AUD

38 data points across 14 retailers

10 retailers$285 AUD to $2,733 AUD

A
Cheapest Retailer
-
$285 AUD
$200 USD
A
Retailer 2
-
$323 AUD
$227 USD
View
Final sale: no returns
A
Retailer 3
-
$330 AUD
$232 USD
View
B+
Retailer 4
-
$613 AUD
$431 USD
View
A
Retailer 5
-
$676 AUD
£374 GBP
View
B+
Retailer 6
-
$982 AUD
$690 USD
View
B+
Retailer 7
-
$1,139 AUD
$800 USD
View
B+
Retailer 8
-
$1,253 AUD
$880 USD
View
B
Retailer 9
-
$1,571 AUD
£869 GBP
View
Most Expensive
B
Do Amore Diamonds
27-87838F170 · Oct 29
$2,733 AUD
$1,920 USD
View
9 more retailers have this diamond
Prices start from $285 AUDSave up to $2,448 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
1.68ct Round
$285 AUD