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Round|Natural|GIA

1.51ct I SI1 Round Natural Diamond

GD • I/SI1 • GIA 2557750890

Certificate GIA 2557750890

Diamond specifications and retailer prices

From ₹2,49,149 INR
HK$20,500 HKD
As of October 31, 2026
Save ₹3,30,901 INR (57%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: ₹5,80,050 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 2557750890. Listed at 18 retailers as of October 27, 2026, with prices from ₹2,49,149 to ₹5,80,050, a ₹3,30,901 spread on the same certified stone. NZ Jewellers lists it at ₹5,80,050. 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
FluorescenceMedium
Crown angle40°
Pavilion angle40.4°
OriginNatural
Grading LabGIA
CertificateGIA 2557750890
Dimensions7.00 × 6.92 × 4.67 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
7.00 mm6.92 mm1.51 ctI / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 2557750890
Side View
Table 57.0%Crown 40°Girdle: THK-VTKPavilion 40.4°Culet: NoneDepth 67.1%

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 31
Current: ₹5,80,050 INR|Low: ₹2,46,718 INR|High: ₹5,97,236 INR|Avg: ₹3,65,595 INR|-2.9%
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
October 31, 2026
Retailer 10₹2,49,149 INR
Retailer 12₹2,56,280 INR
Retailer 3₹2,77,979 INR
Retailer 11₹3,06,689 INR
Retailer 16₹3,06,689 INR
Retailer 17₹3,07,258 INR
Retailer 5₹3,32,895 INR
Retailer 15₹3,32,895 INR
Retailer 6₹3,45,624 INR
Retailer 4₹3,45,713 INR
Retailer 7₹3,55,588 INR
Retailer 9₹3,70,380 INR
Retailer 8₹3,76,657 INR
Retailer 14₹3,84,168 INR
Retailer 2₹4,09,215 INR
Retailer 13₹5,59,763 INR
NZ Jewellers₹5,80,050 INR

37 data points across 17 retailers

18 retailers₹2,49,149 INR to ₹5,80,050 INR

A
Cheapest Retailer
-
₹2,49,149 INR
HK$20,500 HKD
A
Retailer 2
-
₹2,56,280 INR
View
B+
Retailer 3
-
₹2,77,979 INR
A$4,504 AUD
View
B+
Retailer 4
-
₹3,06,689 INR
$3,230 USD
View
B+
Retailer 5
-
₹3,06,689 INR
$3,230 USD
View
B+
Retailer 6
-
₹3,07,258 INR
$3,236 USD
View
Final sale: no returns
B+
Retailer 7
-
₹3,25,128 INR
A$5,268 AUD
View
B+
Retailer 8
-
₹3,32,895 INR
$3,506 USD
View
B+
Retailer 9
-
₹3,32,895 INR
$3,506 USD
View
B+
Retailer 10
-
₹3,45,624 INR
SGD 4,919 SGD
View
B+
Retailer 11
-
₹3,45,713 INR
$3,641 USD
View
B+
Retailer 12
-
₹3,55,588 INR
$3,745 USD
View
Retailer 13
-
₹3,70,380 INR
A$6,001 AUD
View
Price last confirmed 24 days ago
Retailer 14
-
₹3,76,657 INR
€3,778 EUR
View
Price last confirmed 10 days ago
B+
Retailer 15
-
₹3,84,168 INR
$4,046 USD
View
B+
Retailer 16
-
₹4,09,215 INR
ZAR 69,625 ZAR
View
B+
Retailer 17
-
₹5,59,763 INR
£4,642 GBP
View
Most Expensive
B
NZ Jewellers
82aab777-aac8-4ee4-a9b1-3ad464c35c27 · Oct 27
₹5,80,050 INR
$6,109 USD
View
17 more retailers have this diamond
Prices start from ₹2,49,149 INRSave up to ₹3,30,901 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
1.51ct Round
₹2,49,149 INR