Round|Lab Grown|GIA

1.78ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • GIA 2487040493

Certificate GIA 2487040493

Diamond specifications and retailer prices

From ₹56,495 INR
$593 USD
As of October 29, 2026
Save ₹1,29,281 INR (70%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: ₹1,85,777 INR at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2487040493. Listed at 5 retailers as of October 29, 2026, with prices from ₹56,495 to ₹1,85,777, a ₹1,29,281 spread on the same certified stone. Brilliant Earth lists it at ₹1,85,777. 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
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41.6°
OriginLab Grown
Grading LabGIA
CertificateGIA 2487040493
Dimensions7.76 × 7.80 × 4.81 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Girdle conditionFaceted
Culet sizeNone
Cert comments
This is a man-made diamond produced by CVD (Chemical Vapor Deposition) growth process and has evidence of post-growth treatments to change the color.
Key to symbols
Growth Remnant
Top View
7.76 mm7.80 mm1.78 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2487040493
Side View
Table 59.0%Crown 34°Girdle: MediumPavilion 41.6°Culet: NoneDepth 61.8%

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: Oct 29
Current: ₹1,85,777 INR|Low: ₹56,495 INR|High: ₹2,73,139 INR|Avg: ₹1,62,740 INR
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 29, 2026
Retailer 4₹56,495 INR
Retailer 3₹81,704 INR
Retailer 5₹84,219 INR
Retailer 2₹99,833 INR
Brilliant Earth₹1,85,777 INR
Retailer 7₹2,70,776 INR
Retailer 6₹2,73,139 INR

7 data points across 7 retailers

5 retailers₹56,495 INR to ₹1,85,777 INR

A
Cheapest Retailer
-
₹56,495 INR
$593 USD
B+
Retailer 2
-
₹81,704 INR
HK$6,700 HKD
View
B+
Retailer 3
-
₹84,219 INR
$884 USD
View
B+
Retailer 4
-
₹99,833 INR
€998 EUR
View
Most Expensive
B
Brilliant Earth
8686788A · Oct 29
₹1,85,777 INR
$1,950 USD
View
4 more retailers have this diamond
Prices start from ₹56,495 INRSave up to ₹1,29,281 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
₹56,495 INR