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1.66ct D SI2 Round Lab Grown Diamond

ID • D/SI2 • IGI LG500166614

Shape and cutting style on the report: Round brilliant

Certificate IGI LG500166614

Diamond specifications and retailer prices

From ₹1,78,336 INR
$1,879 USD
As of November 2, 2026
1 retailer carries this diamond
Only listing: ₹1,78,336 INR 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 1.66ct lab-grown round diamond

This 1.66ct lab-grown round sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG500166614 or 500166614. Listed at a single retailer as of November 2, 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

1.66
Carat
D
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG500166614
Dimensions7.55 × 7.61 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
7.55 mm7.61 mm1.66 ctD / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG500166614
Side View
Table 57.0%Crown 35°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 61.5%

Caratlytics Score

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C
Average
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Price History

Last verified: Nov 2
Current: ₹1,78,336 INR|Low: ₹1,70,553 INR|High: ₹2,88,052 INR|Avg: ₹2,14,425 INR|-38.1%
September 23, 2026
B2C Jewels₹1,78,336 INR

4 data points across 1 retailer

1 retailer

C
B2C Jewels
19595579 · Nov 2
₹1,78,336 INR
$1,879 USD
View

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C
1.66ct Round
₹1,78,336 INR