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Round|Natural|IGI

1.51ct F I1 Round Natural Diamond

EX • F/I1 • IGI 647430353

Shape and cutting style on the report: Round brilliant

Certificate IGI 647430353

Diamond specifications and retailer prices

From $3,472 SGD
$2,715 USD
As of November 1, 2026
Save $1,049 SGD (23%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $6,756 SGD at NZ Jewellers · As of October 23, 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 F colour (colourless) and I1 clarity (included), with a top-tier cut grade and certified by IGI 647430353. Listed at 7 retailers as of November 1, 2026, with a 30% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
F
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34.4°
Pavilion angle41.7°
OriginNatural
Grading LabIGI
CertificateIGI 647430353
Dimensions7.30 × 7.33 × 4.59 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Top View
7.30 mm7.33 mm1.51 ctF / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 647430353
Side View
Table 58.0%Crown 34.4°Girdle: MediumPavilion 41.7°Culet: NoneDepth 62.8%

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: Nov 1
Current: $6,756 SGD|Low: $3,472 SGD|High: $6,756 SGD|Avg: $4,578 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 3$3,472 SGD
Retailer 10$3,579 SGD
Retailer 6$3,878 SGD
Retailer 7$3,878 SGD
Retailer 4$4,027 SGD
Retailer 5$4,475 SGD
Retailer 2$4,521 SGD
Retailer 8$4,614 SGD
Retailer 9$6,264 SGD
NZ Jewellers$6,756 SGD

20 data points across 10 retailers

7 retailers$3,472 SGD to $4,521 SGD

A
Cheapest Retailer
-
$3,472 SGD
$2,715 USD
Retailer 2
-
$3,878 SGD
$3,032 USD
View
Price last confirmed 8 days ago
Retailer 3
-
$3,878 SGD
$3,032 USD
View
Price last confirmed 7 days ago
Retailer 4
-
$4,027 SGD
$3,149 USD
View
Price last confirmed 8 days ago
Retailer 5
-
$4,475 SGD
$3,499 USD
View
Price last confirmed 10 days ago
A
Retailer 6
-
$4,521 SGD
€3,367 EUR
View
Most Expensive
NZ Jewellers
f652f98f-45d1-4540-8311-1d6516cf5afc · Oct 23
$6,756 SGD
$5,283 USD
View
Price last confirmed 10 days ago
6 more retailers have this diamond
Prices start from $3,472 SGDSave up to $1,049 SGD

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
$3,472 SGD