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Round|Lab Grown|GIA

1.78ct D SI2 Round Lab Grown Diamond

EX • D/SI2 • GIA 2457007520

Certificate GIA 2457007520

Diamond specifications and retailer prices

From ₹39,156 INR
$411 USD
As of October 29, 2026
Save ₹1,51,650 INR (79%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: ₹1,90,806 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 GIA 2457007520. Listed at 15 retailers as of October 29, 2026, with prices from ₹39,156 to ₹1,90,806, a ₹1,51,650 spread on the same certified stone. MOH London lists it at ₹1,90,806. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.6°
OriginLab Grown
Grading LabGIA
CertificateGIA 2457007520
Dimensions7.80 × 7.78 × 4.80 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Top View
7.80 mm7.78 mm1.78 ctD / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2457007520
Side View
Table 56.0%Crown 35°Girdle: NUL-NULPavilion 40.6°Culet: NoneDepth 61.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: ₹1,90,806 INR|Low: ₹37,632 INR|High: ₹1,92,016 INR|Avg: ₹84,195 INR|+0.6%
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
October 29, 2026
Retailer 9₹39,156 INR
Retailer 13₹43,824 INR
Retailer 5₹48,588 INR
Retailer 11₹48,588 INR
Retailer 4₹65,736 INR
Retailer 2₹72,394 INR
Retailer 12₹72,596 INR
Retailer 6₹78,326 INR
Retailer 8₹85,743 INR
Retailer 10₹1,15,277 INR
Retailer 7₹1,17,944 INR
Retailer 3₹1,56,148 INR
MOH London₹1,90,806 INR

44 data points across 13 retailers

15 retailers₹39,156 INR to ₹1,90,806 INR

A
Cheapest Retailer
-
₹39,156 INR
$411 USD
A
Retailer 2
-
₹43,824 INR
$460 USD
View
A
Retailer 3
-
₹48,588 INR
$510 USD
View
A
Retailer 4
-
₹48,588 INR
$510 USD
View
A
Retailer 5
-
₹53,656 INR
HK$4,400 HKD
View
B+
Retailer 6
-
₹65,736 INR
$690 USD
View
B+
Retailer 7
-
₹72,394 INR
£598 GBP
View
B+
Retailer 8
-
₹72,596 INR
$762 USD
View
B+
Retailer 9
-
₹78,326 INR
€783 EUR
View
B+
Retailer 10
-
₹85,743 INR
$900 USD
View
B+
Retailer 11
-
₹90,316 INR
$948 USD
View
B
Retailer 12
-
₹1,15,277 INR
$1,210 USD
View
B
Retailer 13
-
₹1,17,944 INR
$1,238 USD
View
B
Retailer 14
-
₹1,56,148 INR
$1,639 USD
View
Most Expensive
B
MOH London
2457007520 · Oct 29
₹1,90,806 INR
£1,577 GBP
View
14 more retailers have this diamond
Prices start from ₹39,156 INRSave up to ₹1,51,650 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
₹39,156 INR