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Cushion|Lab Grown|IGI

1.00ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG830650343

Shape and cutting style on the report: Cushion antique cut

Certificate IGI LG830650343

Diamond specifications and retailer prices

From ₹17,281 INR
As of November 6, 2026
Save ₹90,121 INR (84%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: ₹1,07,402 INR at Reve Diamonds · As of November 6, 2026
View at Reve Diamonds

About this 1ct lab-grown cushion diamond

This 1ct lab-grown cushion sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG830650343 or 830650343. Listed at 16 retailers as of November 6, 2026, with prices from ₹17,281 to ₹1,07,402, a ₹90,121 spread on the same certified stone. Reve Diamonds lists it at ₹1,07,402. 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

1.00
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.9°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830650343
Dimensions7.52 × 5.25 × 3.21 mm
L/W Ratio1.43
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.52 mm5.25 mm1.00 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830650343
Side View
Table 62.0%Crown 37.9°Girdle: MED-STKPavilion 40°Culet: LargeDepth 61.1%

Caratlytics Score

How it works →
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: Nov 6
Current: ₹35,220 INR|Low: ₹16,624 INR|High: ₹1,07,402 INR|Avg: ₹47,248 INR|+1.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Reve Diamonds
November 6, 2026
Retailer 9₹17,281 INR
Retailer 5₹19,348 INR
Retailer 4₹20,099 INR
Retailer 2₹21,508 INR
Retailer 11₹21,508 INR
Retailer 1₹35,220 INR
Retailer 3₹37,756 INR
Retailer 6₹38,319 INR
Retailer 13₹47,430 INR
Retailer 10₹69,031 INR
Retailer 8₹72,882 INR
Retailer 12₹74,009 INR
Retailer 7₹1,00,494 INR
Reve Diamonds₹1,07,402 INR

44 data points across 14 retailers

16 retailers₹17,281 INR to ₹1,07,402 INR

A
Cheapest Retailer
-
₹17,281 INR
A
Retailer 2
-
₹19,348 INR
View
Final sale: no returns
A
Retailer 3
-
₹20,099 INR
View
A
Retailer 4
-
₹21,508 INR
View
Retailer 5
-
₹21,508 INR
View
Price last confirmed 13 days ago
A
Retailer 6
-
₹28,176 INR
View
A
Retailer 7
-
₹35,220 INR
View
B+
Retailer 8
-
₹37,756 INR
View
B+
Retailer 9
-
₹38,319 INR
View
B+
Retailer 10
-
₹47,430 INR
View
B
Retailer 11
-
₹58,230 INR
View
B
Retailer 12
-
₹69,031 INR
View
B
Retailer 13
-
₹72,882 INR
View
B
Retailer 14
-
₹74,009 INR
View
Retailer 15
-
₹1,00,494 INR
View
Price last confirmed 12 days ago
Most Expensive
B
Reve Diamonds
0D8A5DAB5 · Nov 6
₹1,07,402 INR
$1,144 USD
View
15 more retailers have this diamond
Prices start from ₹17,281 INRSave up to ₹90,121 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
1.00ct Cushion
₹17,281 INR