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Round|Lab Grown|IGI

1.70ct J SI1 Round Lab Grown Diamond

ID • J/SI1 • IGI LG499125820

Shape and cutting style on the report: Round brilliant

Certificate IGI LG499125820

Diamond specifications and retailer prices

From ₹91,152 INR
$960 USD
As of October 31, 2026
Save ₹3,73,227 INR (80%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: ₹4,64,379 INR at MOH London · As of November 1, 2026
View at MOH London

About this 1.7ct lab-grown round diamond

This 1.7ct lab-grown round sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG499125820 or 499125820. Listed at 12 retailers as of October 31, 2026, with prices from ₹91,152 to ₹4,64,379, a ₹3,73,227 spread on the same certified stone. MOH London lists it at ₹4,64,379. 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

1.70
Carat
J
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG499125820
Dimensions7.71 × 7.75 × 4.64 mm
L/W Ratio1.01
Girdle conditionFaceted
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
7.71 mm7.75 mm1.70 ctJ / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG499125820
Side View
Table 58.5%Crown 35.4°Girdle: THN-MEDPavilion 40.1°Culet: NoneDepth 60.0%

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: Oct 31
Current: ₹4,64,379 INR|Low: ₹91,152 INR|High: ₹4,69,926 INR|Avg: ₹1,98,498 INR
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 6₹91,152 INR
Retailer 7₹1,24,574 INR
Retailer 11₹1,35,589 INR
Retailer 10₹1,39,577 INR
Retailer 8₹1,44,514 INR
Retailer 13₹1,44,514 INR
Retailer 3₹1,60,940 INR
Retailer 2₹1,89,159 INR
Retailer 5₹1,99,680 INR
Retailer 9₹2,28,640 INR
Retailer 4₹2,69,373 INR
Retailer 12₹2,70,892 INR
MOH London₹4,64,379 INR

24 data points across 13 retailers

12 retailers₹91,152 INR to ₹4,64,379 INR

A
Cheapest Retailer
-
₹91,152 INR
$960 USD
A
Retailer 2
-
₹1,24,574 INR
$1,312 USD
View
B+
Retailer 3
-
₹1,35,589 INR
$1,428 USD
View
B+
Retailer 4
-
₹1,39,577 INR
$1,470 USD
View
Final sale: no returns
Retailer 5
-
₹1,44,514 INR
$1,522 USD
View
Price last confirmed 20 days ago
B+
Retailer 6
-
₹1,44,514 INR
$1,522 USD
View
B+
Retailer 7
-
₹1,60,940 INR
$1,695 USD
View
B+
Retailer 8
-
₹1,89,159 INR
£1,569 GBP
View
B
Retailer 9
-
₹2,28,640 INR
$2,408 USD
View
B
Retailer 10
-
₹2,69,373 INR
$2,837 USD
View
B
Retailer 11
-
₹2,70,892 INR
$2,853 USD
View
Most Expensive
B
MOH London
LG499125820 · Nov 1
₹4,64,379 INR
£3,851 GBP
View
11 more retailers have this diamond
Prices start from ₹91,152 INRSave up to ₹3,73,227 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
1.70ct Round
₹91,152 INR