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1.91ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG497182815

Shape and cutting style on the report: Round brilliant

Certificate IGI LG497182815

Diamond specifications and retailer prices

From $1,073 NZD
$605 USD
As of October 30, 2026
1 retailer carries this diamond
Only listing: $1,073 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 1.91ct lab-grown round diamond

This 1.91ct lab-grown round sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG497182815 or 497182815. Listed at a single retailer as of October 30, 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

1.91
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG497182815
Dimensions7.92 × 7.98 × 4.93 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
7.92 mm7.98 mm1.91 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG497182815
Side View
Table 57.0%Crown 34.8°Girdle: MediumPavilion 41.1°Culet: NoneDepth 62.1%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 30
Current: $1,073 NZD|Low: $607 NZD|High: $14,980 NZD|Avg: $1,962 NZD|+6.0%
B2C Jewels
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
September 23, 2026
Retailer 10$697 NZD
Retailer 5$887 NZD
Retailer 3$1,046 NZD
B2C Jewels$1,073 NZD
Retailer 7$1,414 NZD
Retailer 6$1,685 NZD
Retailer 9$2,386 NZD
Retailer 4$2,626 NZD
Retailer 8$4,152 NZD
Retailer 2$14,980 NZD

55 data points across 10 retailers

1 retailer

B+
B2C Jewels
22024131 · Oct 30
$1,073 NZD
$605 USD
View

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.

B+
1.91ct Round
$1,073 NZD