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Radiant|Lab Grown|IGI

1.72ct D SI1 Radiant Lab Grown Diamond

ID • D/SI1 • IGI LG629439991

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG629439991

Diamond specifications and retailer prices

From ₹23,643 INR
$249 USD
As of October 30, 2026
Save ₹1,06,439 INR (82%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: ₹1,30,082 INR at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.72ct lab-grown radiant diamond

This 1.72ct lab-grown radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG629439991 or 629439991. Listed at 15 retailers as of October 30, 2026, with prices from ₹23,643 to ₹1,30,082, a ₹1,06,439 spread on the same certified stone. Brilliant Earth lists it at ₹1,30,082. 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

1.72
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.3°
Pavilion angle33.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG629439991
Dimensions8.76 × 5.89 × 3.93 mm
L/W Ratio1.49
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
8.76 mm5.89 mm1.72 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG629439991
Side View
Table 62.0%Crown 45.3°Girdle: MED-STKPavilion 33.8°Culet: NoneDepth 66.7%

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: ₹1,30,082 INR|Low: ₹14,493 INR|High: ₹2,30,729 INR|Avg: ₹68,460 INR|-43.6%
Brilliant Earth
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
October 31, 2026
Retailer 8₹14,493 INR
Retailer 14₹23,643 INR
Retailer 5₹26,491 INR
Retailer 3₹27,441 INR
Retailer 4₹29,340 INR
Retailer 15₹29,340 INR
Retailer 13₹39,404 INR
Retailer 2₹52,640 INR
Retailer 9₹55,266 INR
Retailer 6₹59,913 INR
Retailer 12₹71,877 INR
Retailer 16₹94,190 INR
Retailer 7₹99,098 INR
Retailer 10₹1,17,572 INR
Retailer 11₹1,29,607 INR
Brilliant Earth₹1,30,082 INR

43 data points across 16 retailers

15 retailers₹23,643 INR to ₹1,30,082 INR

A
Cheapest Retailer
-
₹23,643 INR
$249 USD
A
Retailer 2
-
₹26,491 INR
$279 USD
View
Final sale: no returns
A
Retailer 3
-
₹27,441 INR
$289 USD
View
A
Retailer 4
-
₹29,340 INR
$309 USD
View
A
Retailer 5
-
₹29,340 INR
$309 USD
View
B+
Retailer 6
-
₹39,404 INR
$415 USD
View
B+
Retailer 7
-
₹52,640 INR
€528 EUR
View
A
Retailer 8
-
₹55,266 INR
£458 GBP
View
B+
Retailer 9
-
₹59,913 INR
$631 USD
View
B+
Retailer 10
-
₹71,877 INR
$757 USD
View
B
Retailer 11
-
₹94,190 INR
$992 USD
View
B
Retailer 12
-
₹99,098 INR
$1,044 USD
View
B
Retailer 13
-
₹1,17,572 INR
£975 GBP
View
Retailer 14
-
₹1,29,607 INR
$1,365 USD
View
Price last confirmed 13 days ago
Most Expensive
B
Brilliant Earth
21312060A · Oct 30
₹1,30,082 INR
$1,370 USD
View
14 more retailers have this diamond
Prices start from ₹23,643 INRSave up to ₹1,06,439 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
1.72ct Radiant
₹23,643 INR