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Round|Lab Grown|IGI

1.80ct J SI1 Round Lab Grown Diamond

ID • J/SI1 • IGI LG497155955

Shape and cutting style on the report: Round brilliant

Certificate IGI LG497155955

Diamond specifications and retailer prices

From ₹95,900 INR
$1,010 USD
As of October 30, 2026
Save ₹1,90,565 INR (67%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: ₹4,38,814 INR at MOH London · As of October 21, 2026
View at MOH London

About this 1.8ct lab-grown round diamond

This 1.8ct 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 LG497155955 or 497155955. Listed at 12 retailers as of October 27, 2026, with a 199% 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

1.80
Carat
J
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG497155955
Dimensions7.88 × 7.90 × 4.76 mm
L/W Ratio1.00
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
7.88 mm7.90 mm1.80 ctJ / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG497155955
Side View
Table 57.5%Crown 33.3°Girdle: THN-MEDPavilion 40.6°Culet: NoneDepth 60.4%

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 30
Current: ₹4,38,814 INR|Low: ₹95,900 INR|High: ₹4,42,311 INR|Avg: ₹2,05,054 INR|+0.5%
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
October 30, 2026
Retailer 2₹95,900 INR
Retailer 7₹1,31,791 INR
Retailer 11₹1,43,375 INR
Retailer 10₹1,47,552 INR
Retailer 8₹1,52,870 INR
Retailer 13₹1,52,870 INR
Retailer 3₹1,69,011 INR
Retailer 6₹2,00,647 INR
Retailer 5₹2,09,934 INR
Retailer 9₹2,41,363 INR
Retailer 4₹2,77,349 INR
Retailer 12₹2,86,464 INR
MOH London₹4,38,814 INR

23 data points across 13 retailers

12 retailers₹95,900 INR to ₹2,86,464 INR

A
Cheapest Retailer
-
₹95,900 INR
$1,010 USD
B+
Retailer 2
-
₹1,31,791 INR
$1,388 USD
View
B+
Retailer 3
-
₹1,43,375 INR
$1,510 USD
View
B+
Retailer 4
-
₹1,47,552 INR
$1,554 USD
View
Final sale: no returns
B+
Retailer 5
-
₹1,52,870 INR
$1,610 USD
View
Retailer 6
-
₹1,52,870 INR
$1,610 USD
View
Price last confirmed 18 days ago
B+
Retailer 7
-
₹1,69,011 INR
$1,780 USD
View
B+
Retailer 8
-
₹2,00,647 INR
£1,664 GBP
View
B
Retailer 9
-
₹2,41,363 INR
$2,542 USD
View
B
Retailer 10
-
₹2,77,349 INR
$2,921 USD
View
B
Retailer 11
-
₹2,86,464 INR
$3,017 USD
View
Most Expensive
MOH London
LG497155955 · Oct 21
₹4,38,814 INR
£3,639 GBP
View
Price last confirmed 9 days ago
11 more retailers have this diamond
Prices start from ₹95,900 INRSave up to ₹1,90,565 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
1.80ct Round
₹95,900 INR