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1.51ct J SI1 Round Lab Grown Diamond

EX • J/SI1 • IGI LG487172906

Shape and cutting style on the report: Round brilliant

Certificate IGI LG487172906

Diamond specifications and retailer prices

From ₹79,758 INR
$840 USD
As of October 31, 2026
Save ₹3,33,854 INR (81%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: ₹4,13,612 INR at MOH London · As of November 1, 2026
View at MOH London

About this 1.51ct lab-grown round diamond

This 1.51ct 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 LG487172906 or 487172906. Listed at 11 retailers as of October 31, 2026, with prices from ₹79,758 to ₹4,13,612, a ₹3,33,854 spread on the same certified stone. MOH London lists it at ₹4,13,612. 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

1.51
Carat
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG487172906
Dimensions7.28 × 7.31 × 4.62 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
7.28 mm7.31 mm1.51 ctJ / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG487172906
Side View
Table 57.5%Crown 35°Girdle: MED-STKPavilion 41.5°Culet: NoneDepth 63.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: ₹4,13,612 INR|Low: ₹79,758 INR|High: ₹4,18,556 INR|Avg: ₹1,75,718 INR|-1.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 2₹79,758 INR
Retailer 5₹1,10,997 INR
Retailer 9₹1,20,681 INR
Retailer 8₹1,24,290 INR
Retailer 6₹1,28,752 INR
Retailer 11₹1,28,752 INR
Retailer 12₹1,45,274 INR
Retailer 4₹1,82,874 INR
Retailer 7₹2,04,427 INR
Retailer 10₹2,41,268 INR
Retailer 3₹2,53,611 INR
MOH London₹4,13,612 INR

16 data points across 12 retailers

11 retailers₹79,758 INR to ₹4,13,612 INR

A
Cheapest Retailer
-
₹79,758 INR
$840 USD
B+
Retailer 2
-
₹1,10,997 INR
$1,169 USD
View
B+
Retailer 3
-
₹1,20,681 INR
$1,271 USD
View
B+
Retailer 4
-
₹1,24,290 INR
$1,309 USD
View
Final sale: no returns
Retailer 5
-
₹1,28,752 INR
$1,356 USD
View
Price last confirmed 20 days ago
B+
Retailer 6
-
₹1,28,752 INR
$1,356 USD
View
B+
Retailer 7
-
₹1,45,274 INR
$1,530 USD
View
B
Retailer 8
-
₹2,04,427 INR
$2,153 USD
View
B
Retailer 9
-
₹2,41,268 INR
$2,541 USD
View
B
Retailer 10
-
₹2,53,611 INR
$2,671 USD
View
Most Expensive
B
MOH London
LG487172906 · Nov 1
₹4,13,612 INR
£3,430 GBP
View
10 more retailers have this diamond
Prices start from ₹79,758 INRSave up to ₹3,33,854 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
1.51ct Round
₹79,758 INR