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Round|Lab Grown|IGI

1.51ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG819628770

Shape and cutting style on the report: Round brilliant

Certificate IGI LG819628770

Diamond specifications and retailer prices

From ₹23,148 INR
As of October 30, 2026
Save ₹81,725 INR (78%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: ₹1,16,083 INR at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

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 LG819628770 or 819628770. Listed at 17 retailers as of October 30, 2026, with a 353% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG819628770
Dimensions7.35 × 7.31 × 4.56 mm
L/W Ratio1.01
Girdle conditionFaceted
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
7.35 mm7.31 mm1.51 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG819628770
Side View
Table 56.0%Crown 35.5°Girdle: MED-STKPavilion 40.6°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: Oct 30
Current: ₹40,721 INR|Low: ₹18,424 INR|High: ₹1,16,083 INR|Avg: ₹51,534 INR|+4.6%
Retailer 1
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
Reve Diamonds
October 31, 2026
Retailer 7₹19,274 INR
Retailer 15₹23,148 INR
Retailer 9₹23,809 INR
Retailer 17₹26,076 INR
Retailer 3₹38,548 INR
Retailer 1₹40,721 INR
Retailer 13₹41,855 INR
Retailer 2₹42,610 INR
Retailer 10₹45,539 INR
Retailer 8₹50,830 INR
Retailer 14₹55,932 INR
Retailer 12₹65,286 INR
Retailer 6₹71,805 INR
Retailer 11₹79,458 INR
Retailer 4₹84,465 INR
Retailer 16₹1,04,873 INR
Retailer 5₹1,12,053 INR
Reve Diamonds₹1,16,083 INR

32 data points across 18 retailers

17 retailers₹23,148 INR to ₹1,04,873 INR

Retailer 1
-
₹19,274 INR
Price last confirmed 8 days ago
A
Retailer 2
-
₹23,148 INR
View
Retailer 3
-
₹23,809 INR
View
Price last confirmed 10 days ago
Retailer 4
-
₹38,548 INR
View
Price last confirmed 7 days ago
A
Retailer 5
-
₹40,721 INR
View
A
Retailer 6
-
₹41,855 INR
View
B+
Retailer 7
-
₹42,610 INR
View
Price last confirmed 7 days ago
A
Retailer 8
-
₹45,539 INR
View
B+
Retailer 9
-
₹50,830 INR
View
B+
Retailer 10
-
₹55,932 INR
View
B+
Retailer 11
-
₹65,286 INR
View
Retailer 12
-
₹71,805 INR
View
Price last confirmed 12 days ago
B
Retailer 13
-
₹79,458 INR
View
B
Retailer 14
-
₹84,465 INR
View
B
Retailer 15
-
₹1,04,873 INR
View
Retailer 16
-
₹1,12,053 INR
View
Price last confirmed 8 days ago
Most Expensive
Reve Diamonds
563078C55 · Oct 30
₹1,16,083 INR
$1,229 USD
View
Price last confirmed 7 days ago
16 more retailers have this diamond
Prices start from ₹23,148 INRSave up to ₹81,725 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
₹23,148 INR