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1.55ct D SI1 Round Lab Grown Diamond

VG • D/SI1 • IGI LG784643985

Shape and cutting style on the report: Round brilliant

Certificate IGI LG784643985

Diamond specifications and retailer prices

From ₹19,274 INR
As of November 1, 2026
Save ₹1,05,440 INR (85%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: ₹1,24,714 INR at Brilliant Earth · As of November 3, 2026
View at Brilliant Earth

About this 1.55ct lab-grown round diamond

This 1.55ct 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 very-good cut grade and certified by IGI LG784643985 or 784643985. Listed at 14 retailers as of November 1, 2026, with prices from ₹19,274 to ₹1,24,714, a ₹1,05,440 spread on the same certified stone. Brilliant Earth lists it at ₹1,24,714. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.55
Carat
D
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle37°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784643985
Dimensions7.41 × 7.32 × 4.55 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
7.41 mm7.32 mm1.55 ctD / SI1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG784643985
Side View
Table 59.0%Crown 37°Girdle: MED-THKPavilion 40.4°Culet: NoneDepth 61.6%

Caratlytics Score

How it works →
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: Nov 1
Current: ₹1,24,714 INR|Low: ₹12,093 INR|High: ₹1,58,726 INR|Avg: ₹58,989 INR|-21.4%
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
November 4, 2026
Retailer 7₹12,093 INR
Retailer 12₹19,274 INR
Retailer 13₹21,541 INR
Retailer 3₹23,809 INR
Retailer 8₹39,682 INR
Retailer 15₹41,288 INR
Retailer 11₹43,272 INR
Retailer 4₹43,461 INR
Retailer 14₹48,185 INR
Retailer 10₹63,963 INR
Retailer 2₹69,915 INR
Retailer 6₹81,631 INR
Retailer 9₹1,11,392 INR
Retailer 5₹1,13,754 INR
Brilliant Earth₹1,24,714 INR

35 data points across 15 retailers

14 retailers₹19,274 INR to ₹1,24,714 INR

A
Cheapest Retailer
-
₹19,274 INR
A
Retailer 2
-
₹21,541 INR
View
Final sale: no returns
Retailer 3
-
₹23,526 INR
View
Price last confirmed 52 days ago
Retailer 4
-
₹23,809 INR
View
Price last confirmed 12 days ago
A
Retailer 5
-
₹39,682 INR
View
B+
Retailer 6
-
₹41,288 INR
View
B+
Retailer 7
-
₹43,272 INR
View
B+
Retailer 8
-
₹43,461 INR
View
B+
Retailer 9
-
₹48,185 INR
View
B+
Retailer 10
-
₹63,963 INR
View
B
Retailer 11
-
₹69,915 INR
View
B
Retailer 12
-
₹81,631 INR
View
B
Retailer 13
-
₹1,11,392 INR
View
Most Expensive
B
Brilliant Earth
20185628A · Nov 3
₹1,24,714 INR
$1,320 USD
View
13 more retailers have this diamond
Prices start from ₹19,274 INRSave up to ₹1,05,440 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
1.55ct Round
₹19,274 INR