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1.58ct H SI1 Round Lab Grown Diamond

EX • H/SI1 • IGI LG12378004

Shape and cutting style on the report: Round brilliant

Certificate IGI LG12378004

Diamond specifications and retailer prices

From ₹32,378 INR
$341 USD
As of October 29, 2026
Save ₹2,55,321 INR (89%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: ₹2,87,699 INR at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.58ct lab-grown round diamond

This 1.58ct lab-grown round sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG12378004 or 12378004. Listed at 18 retailers as of October 29, 2026, with prices from ₹32,378 to ₹2,87,699, a ₹2,55,321 spread on the same certified stone. Do Amore Diamonds lists it at ₹2,87,699. 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

1.58
Carat
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG12378004
Dimensions7.42 × 7.47 × 4.64 mm
L/W Ratio1.01
Cert comments
As Grown - No indications of post-growth treatment. This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process.
Top View
7.42 mm7.47 mm1.58 ctH / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG12378004
Side View
Table 59.0%Crown 35.5°Girdle: MED-UNDPavilion 41.4°Culet: NoneDepth 62.2%

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 29
Current: ₹2,87,699 INR|Low: ₹32,378 INR|High: ₹2,87,699 INR|Avg: ₹92,656 INR
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 1, 2026
Retailer 17₹32,378 INR
Retailer 14₹37,600 INR
Retailer 12₹39,689 INR
Retailer 5₹40,164 INR
Retailer 13₹40,164 INR
Retailer 18₹48,045 INR
Retailer 6₹54,596 INR
Retailer 7₹64,091 INR
Retailer 9₹69,310 INR
Retailer 11₹71,565 INR
Retailer 15₹71,877 INR
Retailer 10₹78,741 INR
Retailer 16₹1,17,833 INR
Retailer 8₹1,21,251 INR
Retailer 4₹1,42,520 INR
Retailer 3₹1,57,297 INR
Retailer 2₹1,73,283 INR
Do Amore Diamonds₹2,87,699 INR

15 data points across 18 retailers

18 retailers₹32,378 INR to ₹2,87,699 INR

A
Cheapest Retailer
-
₹32,378 INR
$341 USD
A
Retailer 2
-
₹37,600 INR
$396 USD
View
B+
Retailer 3
-
₹39,689 INR
$418 USD
View
A
Retailer 4
-
₹40,164 INR
$423 USD
View
A
Retailer 5
-
₹40,164 INR
$423 USD
View
A
Retailer 6
-
₹48,045 INR
$506 USD
View
A
Retailer 7
-
₹54,596 INR
$575 USD
View
Retailer 8
-
₹64,091 INR
$675 USD
View
Price last confirmed 11 days ago
A
Retailer 9
-
₹69,310 INR
$730 USD
View
A
Retailer 10
-
₹71,565 INR
£593 GBP
View
A
Retailer 11
-
₹71,877 INR
$757 USD
View
A
Retailer 12
-
₹78,741 INR
$829 USD
View
A
Retailer 13
-
₹1,17,833 INR
$1,241 USD
View
A
Retailer 14
-
₹1,21,251 INR
$1,277 USD
View
B+
Retailer 15
-
₹1,42,520 INR
$1,501 USD
View
B+
Retailer 16
-
₹1,57,297 INR
$1,657 USD
View
B+
Retailer 17
-
₹1,73,283 INR
£1,437 GBP
View
Most Expensive
B
Do Amore Diamonds
27-9CA57A5A7 · Oct 31
₹2,87,699 INR
$3,030 USD
View
17 more retailers have this diamond
Prices start from ₹32,378 INRSave up to ₹2,55,321 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
1.58ct Round
₹32,378 INR