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1.81ct E SI2 Round Lab Grown Diamond

ID • E/SI2 • IGI LG510101844

Shape and cutting style on the report: Round brilliant

Certificate IGI LG510101844

Diamond specifications and retailer prices

From $4,522 NZD
$2,540 USD
As of October 29, 2026
1 retailer carries this diamond
Only listing: $4,522 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 1.81ct lab-grown round diamond

This 1.81ct 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 LG510101844 or 510101844. Listed at a single retailer as of October 29, 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

1.81
Carat
E
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG510101844
Dimensions7.80 × 7.74 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
7.80 mm7.74 mm1.81 ctE / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG510101844
Side View
Table 59.5%Crown 35.4°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 61.4%

Caratlytics Score

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C
Average
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Price History

Last verified: Oct 29
Current: $4,522 NZD|Low: $4,318 NZD|High: $7,327 NZD|Avg: $5,446 NZD|-38.3%
September 23, 2026
B2C Jewels$4,522 NZD

4 data points across 1 retailer

1 retailer

C
B2C Jewels
20034903 · Oct 29
$4,522 NZD
$2,540 USD
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C
1.81ct Round
$4,522 NZD