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1.67ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG591307524

Shape and cutting style on the report: Round brilliant

Certificate IGI LG591307524

Diamond specifications and retailer prices

From $518 NZD
$291 USD
As of October 28, 2026
Save $3,313 NZD (86%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $3,830 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 LG591307524 or 591307524. Listed at 16 retailers as of October 28, 2026, with prices from $518 to $3,830, a $3,313 spread on the same certified stone. Do Amore Diamonds lists it at $3,830. 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 angle33.5°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG591307524
Dimensions7.62 × 7.63 × 4.65 mm
L/W Ratio1.00
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
7.62 mm7.63 mm1.67 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG591307524
Side View
Table 59.0%Crown 33.5°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 61.0%

Caratlytics Score

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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 28
Current: $3,830 NZD|Low: $461 NZD|High: $3,955 NZD|Avg: $1,351 NZD|-3.2%
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 5$461 NZD
Retailer 6$510 NZD
Retailer 3$518 NZD
Retailer 13$663 NZD
Retailer 12$702 NZD
Retailer 14$730 NZD
Retailer 11$957 NZD
Retailer 2$1,033 NZD
Retailer 7$1,074 NZD
Retailer 8$1,221 NZD
Retailer 10$1,596 NZD
Retailer 4$2,124 NZD
Retailer 9$2,192 NZD
Do Amore Diamonds$3,830 NZD

38 data points across 14 retailers

16 retailers$518 NZD to $3,830 NZD

A
Retailer 1
-
$412 NZD
$231 USD
Price last confirmed 30 days ago
A
Retailer 2
-
$477 NZD
$268 USD
View
Price last confirmed 37 days ago
A
Retailer 3
-
$504 NZD
$283 USD
View
Price last confirmed 30 days ago
A
Retailer 4
-
$518 NZD
$291 USD
View
B+
Retailer 5
-
$663 NZD
$372 USD
View
A
Retailer 6
-
$702 NZD
$394 USD
View
A
Retailer 7
-
$730 NZD
HK$3,200 HKD
View
A
Retailer 8
-
$957 NZD
$537 USD
View
A
Retailer 9
-
$1,033 NZD
£456 GBP
View
Retailer 10
-
$1,074 NZD
$603 USD
View
B+
Retailer 11
-
$1,221 NZD
€653 EUR
View
B
Retailer 12
-
$1,596 NZD
$896 USD
View
B
Retailer 13
-
$1,810 NZD
$1,016 USD
View
Price last confirmed 28 days ago
B
Retailer 14
-
$2,124 NZD
SGD 1,611 SGD
View
B
Retailer 15
-
$2,192 NZD
£969 GBP
View
Most Expensive
B
Do Amore Diamonds
27-ED6A3FC01 · Oct 29
$3,830 NZD
$2,150 USD
View
15 more retailers have this diamond
Prices start from $518 NZDSave up to $3,313 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
$518 NZD