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Radiant|Lab Grown|IGI

0.51ct D VS2 Radiant Lab Grown Diamond

EX • D/VS2 • IGI LG817666139

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG817666139

Diamond specifications and retailer prices

From ₹18,739 INR
As of November 4, 2026
Save ₹30,947 INR (62%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: ₹1,15,145 INR at MOH London · As of November 1, 2026
View at MOH London

About this 0.51ct lab-grown radiant diamond

This 0.51ct lab-grown radiant sits in the half to three-quarter carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG817666139 or 817666139. Listed at 10 retailers as of November 4, 2026, with a 165% 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

0.51
Carat
D
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817666139
Dimensions5.59 × 3.97 × 2.67 mm
L/W Ratio1.41
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
5.59 mm3.97 mm0.51 ctD / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817666139
Side View
Table 62.0%Crown 41°Girdle: MediumPavilion 38.9°Culet: NoneDepth 67.3%

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 4
Current: ₹1,15,145 INR|Low: ₹18,739 INR|High: ₹1,16,467 INR|Avg: ₹39,237 INR
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 4, 2026
Retailer 9₹18,739 INR
Retailer 6₹23,660 INR
Retailer 4₹24,322 INR
Retailer 2₹27,919 INR
Retailer 8₹28,392 INR
Retailer 5₹33,219 INR
Retailer 3₹34,070 INR
Retailer 7₹40,979 INR
MOH London₹1,15,145 INR

45 data points across 9 retailers

10 retailers₹18,739 INR to ₹49,686 INR

A
Cheapest Retailer
-
₹18,739 INR
Retailer 2
-
₹23,660 INR
View
Price last confirmed 17 days ago
A
Retailer 3
-
₹24,322 INR
View
B+
Retailer 4
-
₹27,919 INR
View
Retailer 5
-
₹28,392 INR
View
Price last confirmed 8 days ago
B+
Retailer 6
-
₹33,219 INR
View
B+
Retailer 7
-
₹34,070 INR
View
B
Retailer 8
-
₹40,979 INR
View
B
Retailer 9
-
₹49,686 INR
View
Most Expensive
MOH London
LG817666139 · Nov 1
₹1,15,145 INR
£958 GBP
View
Price under review
9 more retailers have this diamond
Prices start from ₹18,739 INRSave up to ₹30,947 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
0.51ct Radiant
₹18,739 INR