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1.30ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG487174028

Shape and cutting style on the report: Round brilliant

Certificate IGI LG487174028

Diamond specifications and retailer prices

From $3,090 NZD
$1,737 USD
As of November 6, 2026
1 retailer carries this diamond
Only listing: $3,090 NZD at B2C Jewels
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at B2C Jewels

About this 1.3ct lab-grown round diamond

This 1.3ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG487174028 or 487174028. Listed at a single retailer as of November 6, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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

1.30
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG487174028
Dimensions7.03 × 6.98 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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
7.03 mm6.98 mm1.30 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG487174028
Side View
Table 58.0%Crown 35.3°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 62.4%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 6
Current: $3,090 NZD|Low: $2,942 NZD|High: $5,097 NZD|Avg: $3,759 NZD|-39.4%
September 23, 2026
B2C Jewels$3,090 NZD

4 data points across 1 retailer

1 retailer

B
B2C Jewels
20033742 · Nov 6
$3,090 NZD
$1,737 USD
View

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B
1.30ct Round
$3,090 NZD