CaratHunter
Plans
Princess|Lab Grown|IGI

1.51ct D SI1 Princess Lab Grown Diamond

GD • D/SI1 • IGI LG510159147

Shape and cutting style on the report: Princess cut

Certificate IGI LG510159147

Diamond specifications and retailer prices

From ₹20,889 INR
$220 USD
As of October 30, 2026
Save ₹85,455 INR (80%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: ₹1,06,344 INR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.51ct lab-grown princess diamond

This 1.51ct lab-grown princess sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG510159147 or 510159147. Listed at 19 retailers as of October 30, 2026, with prices from ₹20,889 to ₹1,06,344, a ₹85,455 spread on the same certified stone. Brilliant Earth lists it at ₹1,06,344. 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

1.51
Carat
D
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.3°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG510159147
Dimensions6.29 × 6.09 × 4.42 mm
L/W Ratio1.03
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
6.29 mm6.09 mm1.51 ctD / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG510159147
Side View
Table 69.0%Crown 41.3°Girdle: Slightly ThickPavilion 38.3°Culet: NoneDepth 72.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: ₹1,06,344 INR|Low: ₹20,889 INR|High: ₹1,22,486 INR|Avg: ₹63,430 INR|-13.2%
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 1, 2026
Retailer 5₹20,889 INR
Retailer 3₹24,212 INR
Retailer 7₹24,592 INR
Retailer 12₹25,826 INR
Retailer 13₹25,826 INR
Retailer 10₹42,970 INR
Retailer 11₹44,247 INR
Retailer 15₹47,380 INR
Retailer 8₹48,032 INR
Retailer 9₹67,130 INR
Retailer 14₹83,081 INR
Retailer 4₹88,092 INR
Retailer 6₹97,799 INR
Retailer 2₹1,03,584 INR
Brilliant Earth₹1,06,344 INR

41 data points across 15 retailers

19 retailers₹20,889 INR to ₹1,06,344 INR

A
Cheapest Retailer
-
₹20,889 INR
$220 USD
Retailer 2
-
₹21,933 INR
$231 USD
View
Price last confirmed 40 days ago
A
Retailer 3
-
₹24,212 INR
$255 USD
View
B+
Retailer 4
-
₹24,592 INR
$259 USD
View
Final sale: no returns
Retailer 5
-
₹25,447 INR
$268 USD
View
Price last confirmed 38 days ago
B+
Retailer 6
-
₹25,826 INR
$272 USD
View
B+
Retailer 7
-
₹25,826 INR
$272 USD
View
Retailer 8
-
₹26,871 INR
$283 USD
View
Price last confirmed 37 days ago
B+
Retailer 9
-
₹42,970 INR
€431 EUR
View
B+
Retailer 10
-
₹44,247 INR
$466 USD
View
B+
Retailer 11
-
₹47,380 INR
$499 USD
View
B+
Retailer 12
-
₹48,032 INR
£398 GBP
View
B
Retailer 13
-
₹67,130 INR
$707 USD
View
B
Retailer 14
-
₹83,081 INR
$875 USD
View
Retailer 15
-
₹87,734 INR
$924 USD
View
Price last confirmed 12 days ago
B
Retailer 16
-
₹88,092 INR
$928 USD
View
Retailer 17
-
₹97,799 INR
$1,030 USD
View
Price last confirmed 11 days ago
B
Retailer 18
-
₹1,03,584 INR
£859 GBP
View
Most Expensive
B
Brilliant Earth
14251613A · Oct 31
₹1,06,344 INR
$1,120 USD
View
18 more retailers have this diamond
Prices start from ₹20,889 INRSave up to ₹85,455 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 Princess
₹20,889 INR