Round|Lab Grown|IGI

1.20ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • IGI LG517200392

Shape and cutting style on the report: Round brilliant

Certificate IGI LG517200392

Diamond specifications and retailer prices

From ₹41,493 INR
$437 USD
As of October 30, 2026
Save ₹1,06,249 INR (72%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: ₹1,80,518 INR at MOH London · As of October 29, 2026
View at MOH London

About this 1.2ct lab-grown round diamond

This 1.2ct lab-grown round sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG517200392 or 517200392. Listed at 13 retailers as of October 24, 2026, with a 256% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.20
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG517200392
Dimensions6.74 × 6.70 × 4.23 mm
L/W Ratio1.01
Girdle conditionFaceted
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
6.74 mm6.70 mm1.20 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG517200392
Side View
Table 59.5%Crown 36.1°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 62.9%

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 30
Current: ₹1,80,518 INR|Low: ₹29,624 INR|High: ₹1,81,724 INR|Avg: ₹70,703 INR|+0.5%
MOH London
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
October 30, 2026
Retailer 11₹37,031 INR
Retailer 3₹41,493 INR
Retailer 14₹41,493 INR
Retailer 6₹42,728 INR
Retailer 5₹45,956 INR
Retailer 12₹45,956 INR
Retailer 8₹56,495 INR
Retailer 10₹59,819 INR
Retailer 7₹70,686 INR
Retailer 13₹72,922 INR
Retailer 2₹75,113 INR
Retailer 9₹1,28,942 INR
Retailer 4₹1,47,742 INR
MOH London₹1,80,518 INR

44 data points across 14 retailers

13 retailers₹41,493 INR to ₹1,47,742 INR

Retailer 1
-
₹37,031 INR
$390 USD
Price last confirmed 8 days ago
B+
Retailer 2
-
₹41,493 INR
$437 USD
View
Final sale: no returns
B+
Retailer 3
-
₹41,493 INR
$437 USD
View
B+
Retailer 4
-
₹42,728 INR
$450 USD
View
Retailer 5
-
₹45,956 INR
$484 USD
View
Price last confirmed 7 days ago
Retailer 6
-
₹56,495 INR
$595 USD
View
Price last confirmed 9 days ago
B+
Retailer 7
-
₹59,819 INR
$630 USD
View
B
Retailer 8
-
₹70,686 INR
€709 EUR
View
B
Retailer 9
-
₹72,922 INR
$768 USD
View
B
Retailer 10
-
₹75,113 INR
£623 GBP
View
B
Retailer 11
-
₹1,28,942 INR
$1,358 USD
View
B
Retailer 12
-
₹1,47,742 INR
$1,556 USD
View
Most Expensive
MOH London
LG517200392 · Oct 29
₹1,80,518 INR
£1,497 GBP
View
Price under review
12 more retailers have this diamond
Prices start from ₹41,493 INRSave up to ₹1,06,249 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+
1.20ct Round
₹41,493 INR