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1.50ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG668471167

Shape and cutting style on the report: Round brilliant

Certificate IGI LG668471167

Diamond specifications and retailer prices

From $359 NZD
As of November 5, 2026
Save $3,092 NZD (90%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $3,451 NZD at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

About this 1.5ct lab-grown round diamond

This 1.5ct 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 LG668471167 or 668471167. Listed at 14 retailers as of November 4, 2026, with prices from $359 to $3,451, a $3,092 spread on the same certified stone. Do Amore Diamonds lists it at $3,451. 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

1.50
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG668471167
Dimensions7.33 × 7.30 × 4.50 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.33 mm7.30 mm1.50 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG668471167
Side View
Table 60.0%Crown 34.9°Girdle: Slightly ThickPavilion 40.9°Culet: NoneDepth 61.5%

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: Nov 5
Current: $3,451 NZD|Low: $359 NZD|High: $4,003 NZD|Avg: $1,241 NZD|-13.8%
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
November 5, 2026
Retailer 3$359 NZD
Retailer 11$445 NZD
Retailer 12$445 NZD
Retailer 9$578 NZD
Retailer 5$599 NZD
Retailer 2$904 NZD
Retailer 10$1,034 NZD
Retailer 8$1,106 NZD
Retailer 7$1,227 NZD
Retailer 13$1,436 NZD
Retailer 4$1,580 NZD
Retailer 6$1,962 NZD
Do Amore Diamonds$3,451 NZD

40 data points across 13 retailers

14 retailers$359 NZD to $3,451 NZD

A
Cheapest Retailer
-
$359 NZD
Retailer 2
-
$445 NZD
View
Price last confirmed 12 days ago
A
Retailer 3
-
$445 NZD
View
Retailer 4
-
$511 NZD
View
Price last confirmed 66 days ago
A
Retailer 5
-
$578 NZD
View
B+
Retailer 6
-
$599 NZD
View
A
Retailer 7
-
$904 NZD
View
B+
Retailer 8
-
$1,034 NZD
View
B+
Retailer 9
-
$1,106 NZD
View
B+
Retailer 10
-
$1,227 NZD
View
B
Retailer 11
-
$1,436 NZD
View
B
Retailer 12
-
$1,580 NZD
View
B
Retailer 13
-
$1,962 NZD
View
Most Expensive
B
Do Amore Diamonds
27-17D849307 · Nov 4
$3,451 NZD
$1,940 USD
View
13 more retailers have this diamond
Prices start from $359 NZDSave up to $3,092 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
1.50ct Round
$359 NZD