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1.51ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 1155978214

Certificate GIA 1155978214

Diamond specifications and retailer prices

From ₹10,53,210 INR
$11,055 USD
As of October 25, 2026
Save ₹9,75,040 INR (48%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: ₹20,28,250 INR at Diamond Quarter · As of October 29, 2026
View at Diamond Quarter

About this 1.51ct natural round diamond

This 1.51ct natural 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 1155978214. Listed at 18 retailers as of October 25, 2026, with prices from ₹10,53,210 to ₹20,28,250, a ₹9,75,040 spread on the same certified stone. Diamond Quarter lists it at ₹20,28,250. 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

1.51
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 1155978214
Dimensions7.38 × 7.36 × 4.47 mm
L/W Ratio1.00
Culet sizeNone
Top View
7.38 mm7.36 mm1.51 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 1155978214
Side View
Table 60.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 60.6%

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 25
Current: ₹12,66,791 INR|Low: ₹9,96,524 INR|High: ₹18,90,030 INR|Avg: ₹14,13,079 INR|-0.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 6₹10,53,210 INR
Retailer 7₹11,46,003 INR
Retailer 1₹12,66,791 INR
Retailer 5₹12,83,522 INR
Retailer 2₹14,48,585 INR
Retailer 4₹17,47,433 INR
Retailer 3₹18,77,568 INR

44 data points across 7 retailers

18 retailers₹10,53,210 INR to ₹20,28,250 INR

B+
Cheapest Retailer
-
₹10,53,210 INR
$11,055 USD
B+
Retailer 2
-
₹10,91,699 INR
$11,459 USD
View
B+
Retailer 3
-
₹11,09,514 INR
$11,646 USD
View
B+
Retailer 4
-
₹11,17,238 INR
CA$16,288 CAD
View
B
Retailer 5
-
₹11,46,003 INR
$12,029 USD
View
Final sale: no returns
B
Retailer 6
-
₹11,76,585 INR
$12,350 USD
View
B
Retailer 7
-
₹11,95,829 INR
$12,552 USD
View
B
Retailer 8
-
₹12,66,791 INR
£10,470 GBP
View
B
Retailer 9
-
₹12,75,475 INR
$13,388 USD
View
B
Retailer 10
-
₹12,83,522 INR
A$20,727 AUD
View
B
Retailer 11
-
₹12,95,386 INR
$13,597 USD
View
B
Retailer 12
-
₹13,45,212 INR
$14,120 USD
View
B
Retailer 13
-
₹13,85,512 INR
$14,543 USD
View
B
Retailer 14
-
₹14,48,585 INR
€14,481 EUR
View
B
Retailer 15
-
₹17,47,433 INR
ZAR 296,315 ZAR
View
B
Retailer 16
-
₹18,77,568 INR
£15,518 GBP
View
B
Retailer 17
-
₹19,92,953 INR
$20,919 USD
View
Most Expensive
B
Diamond Quarter
1.51SI1E1114893CN · Oct 29
₹20,28,250 INR
£16,763 GBP
View
17 more retailers have this diamond
Prices start from ₹10,53,210 INRSave up to ₹9,75,040 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+
1.51ct Round
₹10,53,210 INR