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Heart|Lab Grown|IGI

1.00ct D SI1 Heart Lab Grown Diamond

EX • D/SI1 • IGI LG517287920

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG517287920

Diamond specifications and retailer prices

From ₹15,857 INR
$167 USD
As of October 30, 2026
Save ₹66,142 INR (81%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: ₹81,999 INR at MOH London · As of October 26, 2026
View at MOH London

About this 1ct lab-grown heart diamond

This 1ct lab-grown heart sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG517287920 or 517287920. Listed at 13 retailers as of October 26, 2026, with prices from ₹15,857 to ₹81,999, a ₹66,142 spread on the same certified stone. MOH London lists it at ₹81,999. 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
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG517287920
Dimensions6.20 × 6.81 × 3.95 mm
L/W Ratio1.10
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.20 mm6.81 mm1.00 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG517287920
Side View
Table 59.5%Crown 34°Girdle: STK-THKPavilion 39.8°Culet: NoneDepth 58.0%

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 30
Current: ₹81,999 INR|Low: ₹14,148 INR|High: ₹82,843 INR|Avg: ₹40,853 INR
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 5₹14,148 INR
Retailer 6₹15,857 INR
Retailer 3₹23,738 INR
Retailer 8₹30,004 INR
Retailer 2₹30,133 INR
Retailer 7₹40,639 INR
Retailer 4₹59,534 INR
Retailer 9₹61,585 INR
MOH London₹81,999 INR

41 data points across 9 retailers

13 retailers₹15,857 INR to ₹81,999 INR

Retailer 1
-
₹14,148 INR
$149 USD
Price last confirmed 8 days ago
A
Retailer 2
-
₹15,857 INR
$167 USD
View
Final sale: no returns
Retailer 3
-
₹16,426 INR
$173 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
₹17,566 INR
$185 USD
View
A
Retailer 5
-
₹17,566 INR
$185 USD
View
B+
Retailer 6
-
₹23,738 INR
$250 USD
View
B+
Retailer 7
-
₹30,004 INR
$316 USD
View
B+
Retailer 8
-
₹30,133 INR
£250 GBP
View
B+
Retailer 9
-
₹40,639 INR
$428 USD
View
B
Retailer 10
-
₹56,305 INR
$593 USD
View
B
Retailer 11
-
₹59,534 INR
$627 USD
View
B
Retailer 12
-
₹61,585 INR
$649 USD
View
Most Expensive
B
MOH London
LG517287920 · Oct 26
₹81,999 INR
£680 GBP
View
12 more retailers have this diamond
Prices start from ₹15,857 INRSave up to ₹66,142 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 Heart
₹15,857 INR