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1.78ct D SI2 Round Lab Grown Diamond

ID • D/SI2 • IGI LG478122782

Shape and cutting style on the report: Round brilliant

Certificate IGI LG478122782

Diamond specifications and retailer prices

From ₹20,293 INR
$213 USD
As of October 29, 2026
Save ₹91,505 INR (82%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: ₹1,11,797 INR at MOH London · As of October 29, 2026
View at MOH London

About this 1.78ct lab-grown round diamond

This 1.78ct lab-grown round sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG478122782 or 478122782. Listed at 7 retailers as of October 29, 2026, with prices from ₹20,293 to ₹1,11,797, a ₹91,505 spread on the same certified stone. MOH London lists it at ₹1,11,797. 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

1.78
Carat
D
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG478122782
Dimensions7.74 × 7.71 × 4.83 mm
L/W Ratio1.00
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
7.74 mm7.71 mm1.78 ctD / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG478122782
Side View
Table 58.0%Crown 35.2°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.5%

Caratlytics Score

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

Price History

Last verified: Oct 29
Current: ₹1,11,797 INR|Low: ₹19,721 INR|High: ₹1,15,064 INR|Avg: ₹66,732 INR|-2.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 9₹20,293 INR
Retailer 8₹23,532 INR
Retailer 7₹43,157 INR
Retailer 2₹43,502 INR
Retailer 12₹55,536 INR
Retailer 3₹59,734 INR
Retailer 11₹76,899 INR
Retailer 5₹81,075 INR
Retailer 6₹89,173 INR
Retailer 10₹89,173 INR
Retailer 4₹1,07,655 INR
MOH London₹1,11,797 INR

39 data points across 12 retailers

7 retailers₹20,293 INR to ₹1,11,797 INR

A
Cheapest Retailer
-
₹20,293 INR
$213 USD
A
Retailer 2
-
₹23,532 INR
$247 USD
View
B+
Retailer 3
-
₹43,157 INR
$453 USD
View
A
Retailer 4
-
₹43,502 INR
£360 GBP
View
B
Retailer 5
-
₹81,075 INR
$851 USD
View
B+
Retailer 6
-
₹89,173 INR
$936 USD
View
Most Expensive
B
MOH London
LG478122782 · Oct 29
₹1,11,797 INR
£924 GBP
View
6 more retailers have this diamond
Prices start from ₹20,293 INRSave up to ₹91,505 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
1.78ct Round
₹20,293 INR