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1.50ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG848603822

Shape and cutting style on the report: Round brilliant

Certificate IGI LG848603822

Diamond specifications and retailer prices

From $338 NZD
$190 USD
As of November 1, 2026
Save $1,729 NZD (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,067 NZD at Reve Diamonds · As of November 1, 2026
View at Reve 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG848603822 or 848603822. Listed at 18 retailers as of November 1, 2026, with prices from $338 to $2,067, a $1,729 spread on the same certified stone. Reve Diamonds lists it at $2,067. 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
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG848603822
Dimensions7.34 × 7.36 × 4.42 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.34 mm7.36 mm1.50 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG848603822
Side View
Table 59.0%Crown 34.1°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 60.1%

Caratlytics Score

How it works →
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: Nov 1
Current: $1,109 NZD|Low: $322 NZD|High: $2,067 NZD|Avg: $995 NZD|-17.5%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Reve Diamonds
November 2, 2026
Retailer 12$338 NZD
Retailer 17$393 NZD
Retailer 9$396 NZD
Retailer 13$419 NZD
Retailer 3$435 NZD
Retailer 6$670 NZD
Retailer 4$734 NZD
Retailer 10$747 NZD
Retailer 11$761 NZD
Retailer 15$794 NZD
Retailer 16$1,011 NZD
Retailer 1$1,109 NZD
Retailer 8$1,262 NZD
Retailer 14$1,349 NZD
Retailer 5$1,445 NZD
Retailer 2$1,724 NZD
Retailer 7$1,871 NZD
Reve Diamonds$2,067 NZD

10 data points across 18 retailers

18 retailers$338 NZD to $2,067 NZD

A
Cheapest Retailer
-
$338 NZD
$190 USD
A
Retailer 2
-
$393 NZD
$221 USD
View
Retailer 3
-
$396 NZD
$223 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
$419 NZD
$236 USD
View
A
Retailer 5
-
$435 NZD
$245 USD
View
Final sale: no returns
A
Retailer 6
-
$670 NZD
€359 EUR
View
B+
Retailer 7
-
$734 NZD
$413 USD
View
A
Retailer 8
-
$747 NZD
£331 GBP
View
B+
Retailer 9
-
$761 NZD
£337 GBP
View
A
Retailer 10
-
$794 NZD
$447 USD
View
B+
Retailer 11
-
$1,011 NZD
$569 USD
View
B+
Retailer 12
-
$1,109 NZD
$624 USD
View
B+
Retailer 13
-
$1,262 NZD
$710 USD
View
B
Retailer 14
-
$1,349 NZD
$759 USD
View
B
Retailer 15
-
$1,445 NZD
$813 USD
View
B
Retailer 16
-
$1,724 NZD
$970 USD
View
B
Retailer 17
-
$1,871 NZD
£829 GBP
View
Most Expensive
B
Reve Diamonds
3986E71AD · Nov 1
$2,067 NZD
$1,163 USD
View
17 more retailers have this diamond
Prices start from $338 NZDSave up to $1,729 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
$338 NZD