Round|Natural|GIA

1.51ct I SI1 Round Natural Diamond

GD • I/SI1 • GIA 1377240735

Certificate GIA 1377240735

Diamond specifications and retailer prices

From ₹3,54,675 INR
HK$29,100 HKD
As of October 29, 2026
Save ₹4,53,171 INR (56%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: ₹8,07,846 INR at NZ Jewellers · As of October 27, 2026
View at NZ Jewellers

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by GIA 1377240735. Listed at 18 retailers as of October 27, 2026, with prices from ₹3,54,675 to ₹8,07,846, a ₹4,53,171 spread on the same certified stone. NZ Jewellers lists it at ₹8,07,846. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.51
Carat
I
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1377240735
Dimensions7.04 × 6.95 × 4.65 mm
L/W Ratio1.01
Key to symbols
Twinning Wisp, Feather
Top View
7.04 mm6.95 mm1.51 ctI / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1377240735
Side View
Table 57.0%CrownGirdle: ThickPavilionCulet: NoneDepth 66.5%

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 29
Current: ₹8,07,846 INR|Low: ₹3,15,673 INR|High: ₹8,07,846 INR|Avg: ₹4,59,801 INR|+9.0%
NZ Jewellers
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 29, 2026
Retailer 8₹3,54,675 INR
Retailer 5₹4,12,398 INR
Retailer 3₹4,21,253 INR
Retailer 16₹4,27,728 INR
Retailer 4₹4,45,725 INR
Retailer 6₹4,54,199 INR
Retailer 10₹4,55,612 INR
Retailer 13₹4,76,170 INR
Retailer 7₹4,82,956 INR
Retailer 9₹4,82,956 INR
Retailer 18₹4,82,956 INR
Retailer 17₹4,97,463 INR
Retailer 2₹4,99,655 INR
Retailer 12₹5,43,697 INR
Retailer 14₹5,57,323 INR
Retailer 15₹5,88,144 INR
Retailer 11₹7,73,344 INR
NZ Jewellers₹8,07,846 INR

23 data points across 18 retailers

18 retailers₹3,54,675 INR to ₹8,07,846 INR

B+
Cheapest Retailer
-
₹3,54,675 INR
HK$29,100 HKD
B+
Retailer 2
-
₹4,12,398 INR
$4,331 USD
View
B+
Retailer 3
-
₹4,21,253 INR
$4,424 USD
View
B+
Retailer 4
-
₹4,27,728 INR
$4,492 USD
View
B+
Retailer 5
-
₹4,45,725 INR
$4,681 USD
View
Final sale: no returns
B+
Retailer 6
-
₹4,54,199 INR
$4,770 USD
View
B+
Retailer 7
-
₹4,55,612 INR
SGD 6,466 SGD
View
B+
Retailer 8
-
₹4,76,170 INR
£3,938 GBP
View
B+
Retailer 9
-
₹4,82,956 INR
$5,072 USD
View
B+
Retailer 10
-
₹4,82,956 INR
$5,072 USD
View
B+
Retailer 11
-
₹4,82,956 INR
$5,072 USD
View
B+
Retailer 12
-
₹4,97,463 INR
$5,224 USD
View
B+
Retailer 13
-
₹4,99,655 INR
£4,132 GBP
View
B+
Retailer 14
-
₹5,43,697 INR
€5,438 EUR
View
B
Retailer 15
-
₹5,57,323 INR
$5,853 USD
View
B
Retailer 16
-
₹5,88,144 INR
ZAR 99,785 ZAR
View
B
Retailer 17
-
₹7,73,344 INR
£6,395 GBP
View
Most Expensive
B
NZ Jewellers
b1e3832e-6607-4c7c-8ab6-d32f401f6ec3 · Oct 27
₹8,07,846 INR
$8,484 USD
View
17 more retailers have this diamond
Prices start from ₹3,54,675 INRSave up to ₹4,53,171 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
₹3,54,675 INR