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Radiant|Lab Grown|IGI

1.59ct D SI1 Radiant Lab Grown Diamond

EX • D/SI1 • IGI LG739595146

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

Certificate IGI LG739595146

Diamond specifications and retailer prices

From ₹17,281 INR
$182 USD
As of October 30, 2026
Save ₹1,06,154 INR (86%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: ₹1,23,435 INR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.59ct lab-grown radiant diamond

This 1.59ct 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 LG739595146 or 739595146. Listed at 17 retailers as of October 30, 2026, with prices from ₹17,281 to ₹1,23,435, a ₹1,06,154 spread on the same certified stone. Brilliant Earth lists it at ₹1,23,435. 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

1.59
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.7°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG739595146
Dimensions7.95 × 5.86 × 3.95 mm
L/W Ratio1.36
Culet sizePointed
Top View
7.95 mm5.86 mm1.59 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG739595146
Side View
Table 65.0%Crown 45.7°Girdle: MediumPavilion 36°Culet: NoneDepth 67.4%

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: ₹1,23,435 INR|Low: ₹16,521 INR|High: ₹1,27,233 INR|Avg: ₹52,064 INR|-3.0%
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
November 1, 2026
Retailer 10₹17,281 INR
Retailer 14₹20,034 INR
Retailer 3₹21,364 INR
Retailer 11₹21,364 INR
Retailer 6₹28,960 INR
Retailer 8₹36,190 INR
Retailer 7₹38,584 INR
Retailer 5₹42,505 INR
Retailer 4₹46,336 INR
Retailer 9₹54,027 INR
Retailer 12₹68,744 INR
Retailer 13₹98,748 INR
Retailer 2₹99,966 INR
Brilliant Earth₹1,23,435 INR

44 data points across 14 retailers

17 retailers₹17,281 INR to ₹1,23,435 INR

A
Cheapest Retailer
-
₹17,281 INR
$182 USD
A
Retailer 2
-
₹20,034 INR
$211 USD
View
Retailer 3
-
₹21,364 INR
$225 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
₹21,364 INR
$225 USD
View
A
Retailer 5
-
₹24,307 INR
HK$2,000 HKD
View
B+
Retailer 6
-
₹28,960 INR
$305 USD
View
A
Retailer 7
-
₹36,190 INR
€363 EUR
View
A
Retailer 8
-
₹38,584 INR
£320 GBP
View
A
Retailer 9
-
₹42,505 INR
$448 USD
View
B+
Retailer 10
-
₹46,336 INR
$488 USD
View
B+
Retailer 11
-
₹50,324 INR
$530 USD
View
B+
Retailer 12
-
₹54,027 INR
$569 USD
View
B+
Retailer 13
-
₹68,744 INR
$724 USD
View
B+
Retailer 14
-
₹70,122 INR
SGD 998 SGD
View
Retailer 15
-
₹98,748 INR
$1,040 USD
View
Price last confirmed 32 days ago
B
Retailer 16
-
₹99,966 INR
£829 GBP
View
Most Expensive
B
Brilliant Earth
20675146A · Oct 31
₹1,23,435 INR
$1,300 USD
View
16 more retailers have this diamond
Prices start from ₹17,281 INRSave up to ₹1,06,154 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
1.59ct Radiant
₹17,281 INR