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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 $739 NZD
$415 USD
As of October 27, 2026
Save $2,325 NZD (76%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $5,057 NZD 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 27, 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 27
Current: $5,057 NZD|Low: $552 NZD|High: $5,057 NZD|Avg: $1,693 NZD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 11$556 NZD
Retailer 6$739 NZD
Retailer 7$979 NZD
Retailer 8$1,147 NZD
Retailer 2$1,395 NZD
Retailer 10$1,591 NZD
Retailer 5$2,073 NZD
Retailer 3$2,569 NZD
Retailer 9$2,788 NZD
Retailer 4$3,064 NZD
Do Amore Diamonds$5,057 NZD

34 data points across 11 retailers

14 retailers$739 NZD to $3,064 NZD

A
Retailer 1
-
$449 NZD
$252 USD
Price last confirmed 37 days ago
A
Retailer 2
-
$520 NZD
$292 USD
View
Price last confirmed 37 days ago
A
Retailer 3
-
$548 NZD
$308 USD
View
Price last confirmed 37 days ago
A
Retailer 4
-
$739 NZD
$415 USD
View
B+
Retailer 5
-
$979 NZD
$550 USD
View
B+
Retailer 6
-
$1,147 NZD
$644 USD
View
B
Retailer 7
-
$1,395 NZD
£617 GBP
View
B+
Retailer 8
-
$1,591 NZD
$894 USD
View
B
Retailer 9
-
$1,975 NZD
$1,109 USD
View
Price last confirmed 38 days ago
B
Retailer 10
-
$2,073 NZD
$1,164 USD
View
B
Retailer 11
-
$2,569 NZD
$1,443 USD
View
B
Retailer 12
-
$2,788 NZD
$1,566 USD
View
B
Retailer 13
-
$3,064 NZD
£1,355 GBP
View
Most Expensive
B
Do Amore Diamonds
27-FD9CF2038 · Oct 29
$5,057 NZD
$2,840 USD
View
Price under review
13 more retailers have this diamond
Prices start from $739 NZDSave up to $2,325 NZD

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
$739 NZD