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Round|Lab Grown|IGI

1.66ct G SI1 Round Lab Grown Diamond

EX • G/SI1 • IGI LG12361906

Shape and cutting style on the report: Round brilliant

Certificate IGI LG12361906

Diamond specifications and retailer prices

From ₹41,760 INR
$440 USD
As of November 1, 2026
Save ₹1,16,262 INR (74%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: ₹2,62,901 INR at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG12361906 or 12361906. Listed at 14 retailers as of November 1, 2026, with a 278% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG12361906
Dimensions7.59 × 7.56 × 4.73 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment. Type IIa
Top View
7.59 mm7.56 mm1.66 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG12361906
Side View
Table 59.0%Crown 35.5°Girdle: THN-UNDPavilion 41.4°Culet: NoneDepth 62.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: ₹2,62,901 INR|Low: ₹25,910 INR|High: ₹2,62,901 INR|Avg: ₹95,066 INR|+18.4%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 10₹25,910 INR
Retailer 11₹28,663 INR
Retailer 6₹41,760 INR
Retailer 7₹59,603 INR
Retailer 2₹72,450 INR
Retailer 9₹82,834 INR
Retailer 5₹1,07,438 INR
Retailer 3₹1,32,305 INR
Retailer 8₹1,45,164 INR
Retailer 4₹1,58,022 INR
Do Amore Diamonds₹2,62,901 INR

30 data points across 11 retailers

14 retailers₹41,760 INR to ₹1,58,022 INR

Retailer 1
-
₹23,063 INR
$243 USD
Price last confirmed 41 days ago
Retailer 2
-
₹26,765 INR
$282 USD
View
Price last confirmed 41 days ago
Retailer 3
-
₹28,283 INR
$298 USD
View
Price last confirmed 41 days ago
A
Retailer 4
-
₹41,760 INR
$440 USD
View
B+
Retailer 5
-
₹51,251 INR
$540 USD
View
B+
Retailer 6
-
₹59,603 INR
$628 USD
View
B
Retailer 7
-
₹72,450 INR
£601 GBP
View
B
Retailer 8
-
₹82,834 INR
$873 USD
View
Retailer 9
-
₹1,01,649 INR
$1,071 USD
View
Price last confirmed 42 days ago
B
Retailer 10
-
₹1,07,438 INR
$1,132 USD
View
B
Retailer 11
-
₹1,32,305 INR
$1,394 USD
View
B
Retailer 12
-
₹1,45,164 INR
$1,529 USD
View
C
Retailer 13
-
₹1,58,022 INR
£1,311 GBP
View
Most Expensive
Do Amore Diamonds
27-08AD635EE · Nov 2
₹2,62,901 INR
$2,770 USD
View
Price under review
13 more retailers have this diamond
Prices start from ₹41,760 INRSave up to ₹1,16,262 INR

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
1.66ct Round
₹41,760 INR