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Marquise|Lab Grown|IGI

1.50ct D SI1 Marquise Lab Grown Diamond

GD • D/SI1 • IGI LG821630371

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG821630371

Diamond specifications and retailer prices

From ₹27,188 INR
£226 GBP
As of October 27, 2026
Save ₹1,57,887 INR (85%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: ₹1,85,075 INR at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 1.5ct lab-grown marquise diamond

This 1.5ct lab-grown marquise 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 LG821630371 or 821630371. Listed at 16 retailers as of October 27, 2026, with prices from ₹27,188 to ₹1,85,075, a ₹1,57,887 spread on the same certified stone. Brilliant Earth lists it at ₹1,85,075. 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

1.50
Carat
D
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle35.2°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821630371
Dimensions12.16 × 6.07 × 3.55 mm
L/W Ratio2.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.16 mm6.07 mm1.50 ctD / SI1
OriginLab Grown
CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG821630371
Side View
Table 69.0%Crown 35.2°Girdle: MED-STKPavilion 39.4°Culet: NoneDepth 58.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: ₹1,85,075 INR|Low: ₹18,887 INR|High: ₹1,90,769 INR|Avg: ₹63,231 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 2, 2026
Retailer 11₹19,646 INR
Retailer 3₹21,924 INR
Retailer 13₹24,392 INR
Retailer 8₹27,188 INR
Retailer 7₹39,464 INR
Retailer 14₹42,140 INR
Retailer 9₹44,600 INR
Retailer 5₹47,645 INR
Retailer 4₹48,594 INR
Retailer 2₹63,685 INR
Retailer 6₹79,434 INR
Retailer 10₹97,754 INR
Retailer 12₹1,00,130 INR
Brilliant Earth₹1,85,075 INR

40 data points across 14 retailers

16 retailers₹27,188 INR to ₹1,85,075 INR

Retailer 1
-
₹19,646 INR
$207 USD
Price last confirmed 10 days ago
Retailer 2
-
₹22,778 INR
$240 USD
View
Price last confirmed 18 days ago
Retailer 3
-
₹24,392 INR
$257 USD
View
Price last confirmed 8 days ago
B+
Retailer 4
-
₹27,188 INR
£226 GBP
View
B+
Retailer 5
-
₹27,942 INR
HK$2,300 HKD
View
B+
Retailer 6
-
₹39,464 INR
€396 EUR
View
Retailer 7
-
₹42,140 INR
$444 USD
View
Price last confirmed 7 days ago
B+
Retailer 8
-
₹44,600 INR
£370 GBP
View
B+
Retailer 9
-
₹47,645 INR
$502 USD
View
Retailer 10
-
₹48,594 INR
$512 USD
View
Price last confirmed 7 days ago
B
Retailer 11
-
₹63,685 INR
$671 USD
View
Retailer 12
-
₹78,301 INR
$825 USD
View
Price last confirmed 17 days ago
B
Retailer 13
-
₹79,434 INR
SGD 1,131 SGD
View
Retailer 14
-
₹97,754 INR
£811 GBP
View
Price last confirmed 8 days ago
B
Retailer 15
-
₹1,00,130 INR
$1,055 USD
View
Most Expensive
C
Brilliant Earth
20781913A · Nov 2
₹1,85,075 INR
$1,950 USD
View
15 more retailers have this diamond
Prices start from ₹27,188 INRSave up to ₹1,57,887 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.

B+
1.50ct Marquise
₹27,188 INR