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Round|Lab Grown|IGI

1.67ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG514249740

Shape and cutting style on the report: Round brilliant

Certificate IGI LG514249740

Diamond specifications and retailer prices

From $591 AUD
$415 USD
As of October 29, 2026
Save $1,859 AUD (76%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $4,042 AUD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.67ct lab-grown round diamond

This 1.67ct 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 LG514249740 or 514249740. Listed at 14 retailers as of October 29, 2026, with a 315% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.67
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG514249740
Dimensions7.64 × 7.59 × 4.70 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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
7.64 mm7.59 mm1.67 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG514249740
Side View
Table 57.5%Crown 35.3°Girdle: MediumPavilion 40.9°Culet: NoneDepth 61.7%

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: $4,042 AUD|Low: $441 AUD|High: $4,042 AUD|Avg: $1,363 AUD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 11$444 AUD
Retailer 6$591 AUD
Retailer 7$783 AUD
Retailer 8$917 AUD
Retailer 2$1,119 AUD
Retailer 10$1,272 AUD
Retailer 5$1,657 AUD
Retailer 3$2,054 AUD
Retailer 9$2,229 AUD
Retailer 4$2,449 AUD
Do Amore Diamonds$4,042 AUD

35 data points across 11 retailers

14 retailers$591 AUD to $2,449 AUD

Retailer 1
-
$359 AUD
$252 USD
Price last confirmed 37 days ago
Retailer 2
-
$416 AUD
$292 USD
View
Price last confirmed 37 days ago
Retailer 3
-
$438 AUD
$308 USD
View
Price last confirmed 38 days ago
A
Retailer 4
-
$591 AUD
$415 USD
View
B+
Retailer 5
-
$783 AUD
$550 USD
View
B+
Retailer 6
-
$917 AUD
$644 USD
View
B
Retailer 7
-
$1,119 AUD
£619 GBP
View
B+
Retailer 8
-
$1,272 AUD
$894 USD
View
Retailer 9
-
$1,579 AUD
$1,109 USD
View
Price last confirmed 39 days ago
B
Retailer 10
-
$1,657 AUD
$1,164 USD
View
B
Retailer 11
-
$2,054 AUD
$1,443 USD
View
B
Retailer 12
-
$2,229 AUD
$1,566 USD
View
B
Retailer 13
-
$2,449 AUD
£1,355 GBP
View
Most Expensive
Do Amore Diamonds
27-FD9CF2038 · Oct 29
$4,042 AUD
$2,840 USD
View
Price under review
13 more retailers have this diamond
Prices start from $591 AUDSave up to $1,859 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
1.67ct Round
$591 AUD