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1.50ct E SI2 Round Lab Grown Diamond

EX • E/SI2 • IGI LG496138964

Shape and cutting style on the report: Round brilliant

Certificate IGI LG496138964

Diamond specifications and retailer prices

From $502 NZD
$282 USD
As of October 29, 2026
Save $1,720 NZD (77%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,222 NZD at The Diamond Guys · As of October 29, 2026
View at The Diamond Guys

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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG496138964 or 496138964. Listed at 15 retailers as of October 29, 2026, with prices from $502 to $2,222, a $1,720 spread on the same certified stone. The Diamond Guys lists it at $2,222. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG496138964
Dimensions7.24 × 7.29 × 4.56 mm
L/W Ratio1.01
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
7.24 mm7.29 mm1.50 ctE / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG496138964
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.7%

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: $1,216 NZD|Low: $502 NZD|High: $2,222 NZD|Avg: $1,242 NZD|+2.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
The Diamond Guys
October 29, 2026
Retailer 10$502 NZD
Retailer 8$582 NZD
Retailer 7$621 NZD
Retailer 11$621 NZD
Retailer 4$810 NZD
Retailer 6$1,076 NZD
Retailer 2$1,175 NZD
Retailer 1$1,216 NZD
Retailer 9$1,220 NZD
Retailer 3$1,269 NZD
Retailer 5$1,449 NZD
Retailer 13$1,912 NZD
Retailer 12$2,208 NZD
The Diamond Guys$2,222 NZD

13 data points across 14 retailers

15 retailers$502 NZD to $2,222 NZD

A
Cheapest Retailer
-
$502 NZD
$282 USD
A
Retailer 2
-
$582 NZD
$327 USD
View
A
Retailer 3
-
$621 NZD
$349 USD
View
A
Retailer 4
-
$621 NZD
$349 USD
View
A
Retailer 5
-
$810 NZD
$455 USD
View
B+
Retailer 6
-
$1,076 NZD
£476 GBP
View
B+
Retailer 7
-
$1,175 NZD
$660 USD
View
B+
Retailer 8
-
$1,216 NZD
£538 GBP
View
B+
Retailer 9
-
$1,220 NZD
$685 USD
View
B
Retailer 10
-
$1,269 NZD
$713 USD
View
B
Retailer 11
-
$1,449 NZD
$814 USD
View
B
Retailer 12
-
$1,912 NZD
$1,074 USD
View
B
Retailer 13
-
$2,154 NZD
$1,210 USD
View
B
Retailer 14
-
$2,208 NZD
$1,240 USD
View
Most Expensive
B
The Diamond Guys
1993598798 · Oct 29
$2,222 NZD
$1,248 USD
View
14 more retailers have this diamond
Prices start from $502 NZDSave up to $1,720 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
$502 NZD