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1.51ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • IGI LG770669393

Shape and cutting style on the report: Round brilliant

Certificate IGI LG770669393

Diamond specifications and retailer prices

From ₹21,069 INR
As of November 5, 2026
Save ₹94,197 INR (82%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: ₹1,15,266 INR at Brilliant Earth · As of November 5, 2026
View at Brilliant Earth

About this 1.51ct lab-grown round diamond

This 1.51ct lab-grown round 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 LG770669393 or 770669393. Listed at 15 retailers as of November 5, 2026, with prices from ₹21,069 to ₹1,15,266, a ₹94,197 spread on the same certified stone. Brilliant Earth lists it at ₹1,15,266. 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

1.51
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770669393
Dimensions7.35 × 7.30 × 4.56 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.35 mm7.30 mm1.51 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770669393
Side View
Table 60.0%Crown 34.8°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 62.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: ₹1,15,266 INR|Low: ₹20,219 INR|High: ₹1,15,266 INR|Avg: ₹58,443 INR|+0.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 9₹21,069 INR
Retailer 10₹26,076 INR
Retailer 8₹34,958 INR
Retailer 3₹40,343 INR
Retailer 2₹43,744 INR
Retailer 4₹47,901 INR
Retailer 5₹71,332 INR
Retailer 6₹72,277 INR
Retailer 7₹1,04,589 INR
Brilliant Earth₹1,15,266 INR

43 data points across 10 retailers

15 retailers₹21,069 INR to ₹1,15,266 INR

A
Cheapest Retailer
-
₹21,069 INR
A
Retailer 2
-
₹24,376 INR
View
Retailer 3
-
₹26,076 INR
View
Price last confirmed 12 days ago
A
Retailer 4
-
₹26,076 INR
View
B+
Retailer 5
-
₹34,958 INR
View
A
Retailer 6
-
₹40,343 INR
View
A
Retailer 7
-
₹42,233 INR
View
A
Retailer 8
-
₹43,744 INR
View
A
Retailer 9
-
₹47,901 INR
View
B+
Retailer 10
-
₹57,066 INR
View
B
Retailer 11
-
₹71,332 INR
View
B+
Retailer 12
-
₹72,277 INR
View
B
Retailer 13
-
₹83,804 INR
View
Retailer 14
-
₹1,04,589 INR
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
20482981A · Nov 5
₹1,15,266 INR
$1,220 USD
View
14 more retailers have this diamond
Prices start from ₹21,069 INRSave up to ₹94,197 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
1.51ct Round
₹21,069 INR