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Marquise|Lab Grown|IGI

1.28ct F VS1 Marquise Lab Grown Diamond

ID • F/VS1 • IGI LG818660512

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818660512

Diamond specifications and retailer prices

From ₹46,886 INR
$494 USD
As of November 1, 2026
Save ₹20,975 INR (31%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: ₹80,135 INR at Taylor and Hart · As of October 16, 2026
View at Taylor and Hart

About this 1.28ct lab-grown marquise diamond

This 1.28ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG818660512 or 818660512. Listed at 5 retailers as of October 28, 2026, with a 45% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818660512
Dimensions12.85 × 5.23 × 3.33 mm
L/W Ratio2.46
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.85 mm5.23 mm1.28 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG818660512
Side View
Table 55.0%Crown 34°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 63.7%

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: Nov 1
Current: ₹67,861 INR|Low: ₹30,561 INR|High: ₹3,80,411 INR|Avg: ₹86,715 INR|-1.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Taylor and Hart
October 28, 2026
Retailer 4₹31,510 INR
Retailer 5₹37,670 INR
Retailer 10₹38,069 INR
Retailer 6₹40,008 INR
Retailer 3₹46,886 INR
Retailer 7₹53,339 INR
Retailer 8₹63,601 INR
Retailer 1₹67,861 INR
Taylor and Hart₹80,135 INR
Retailer 9₹1,06,071 INR
Retailer 2₹3,80,411 INR

10 data points across 11 retailers

5 retailers₹46,886 INR to ₹67,861 INR

Retailer 1
-
₹31,510 INR
$332 USD
Price last confirmed 10 days ago
A
Retailer 2
-
₹46,886 INR
$494 USD
View
Retailer 3
-
₹63,601 INR
$670 USD
View
Price last confirmed 40 days ago
B
Retailer 4
-
₹67,861 INR
A$1,100 AUD
View
Most Expensive
Taylor and Hart
XIN0EJI · Oct 16
₹80,135 INR
$844 USD
View
Price last confirmed 17 days ago
4 more retailers have this diamond
Prices start from ₹46,886 INRSave up to ₹20,975 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
1.28ct Marquise
₹46,886 INR