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Round|Natural|IGI

1.51ct G I1 Round Natural Diamond

EX • G/I1 • IGI 743557994

Shape and cutting style on the report: Round brilliant

Certificate IGI 743557994

Diamond specifications and retailer prices

From $1,582 NZD
₹84,896 INR
As of November 1, 2026
Save $281 NZD (15%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,863 NZD at William & Sons Jewelers · As of October 31, 2026
View at William & Sons Jewelers

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and I1 clarity (included), with a top-tier cut grade and certified by IGI 743557994. Listed at 5 retailers as of October 31, 2026, with prices from $1,582 to $1,863, a $281 spread on the same certified stone. William & Sons Jewelers lists it at $1,863. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
G
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle32.6°
Pavilion angle41.5°
OriginNatural
Grading LabIGI
CertificateIGI 743557994
Dimensions7.27 × 7.33 × 4.60 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
7.27 mm7.33 mm1.51 ctG / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 743557994
Side View
Table 55.0%Crown 32.6°Girdle: MED-STKPavilion 41.5°Culet: NoneDepth 62.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $1,582 NZD|Low: $1,505 NZD|High: $2,107 NZD|Avg: $1,788 NZD|-7.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
William & Sons Jewelers
November 1, 2026
Retailer 1$1,582 NZD
Retailer 2$1,720 NZD
Retailer 3$1,774 NZD
Retailer 4$1,838 NZD
William & Sons Jewelers$1,863 NZD

33 data points across 5 retailers

5 retailers$1,582 NZD to $1,863 NZD

A
Cheapest Retailer
-
$1,582 NZD
₹84,896 INR
A
Retailer 2
-
$1,720 NZD
$970 USD
View
A
Retailer 3
-
$1,774 NZD
$1,000 USD
View
A
Retailer 4
-
$1,838 NZD
$1,036 USD
View
Most Expensive
B+
William & Sons Jewelers
cert_743557994 · Oct 31
$1,863 NZD
$1,050 USD
View
Final sale: no returns
4 more retailers have this diamond
Prices start from $1,582 NZDSave up to $281 NZD

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
$1,582 NZD