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Round|Natural|IGI

1.51ct K SI2 Round Natural Diamond

EX • K/SI2 • IGI 762582313

Shape and cutting style on the report: Round brilliant

Certificate IGI 762582313

Diamond specifications and retailer prices

From $2,696 SGD
As of November 5, 2026
Save $2,520 SGD (48%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $7,307 SGD at NZ Jewellers · As of September 26, 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 K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 762582313. Listed at 13 retailers as of November 4, 2026, with a 93% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
K
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.4°
Pavilion angle41.1°
OriginNatural
Grading LabIGI
CertificateIGI 762582313
Dimensions7.26 × 7.30 × 4.59 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
7.26 mm7.30 mm1.51 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 762582313
Side View
Table 58.0%Crown 36.4°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 63.0%

Caratlytics Score

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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 5
Current: $3,940 SGD|Low: $2,696 SGD|High: $6,197 SGD|Avg: $3,988 SGD|-16.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 7$2,696 SGD
Retailer 5$3,141 SGD
Retailer 6$3,163 SGD
Retailer 8$3,258 SGD
Retailer 2$3,422 SGD
Retailer 3$3,468 SGD
Retailer 1$3,940 SGD
Retailer 9$4,038 SGD
Retailer 4$5,216 SGD

27 data points across 9 retailers

13 retailers$2,696 SGD to $5,216 SGD

A
Cheapest Retailer
-
$2,696 SGD
A
Retailer 2
-
$3,141 SGD
View
A
Retailer 3
-
$3,163 SGD
View
Retailer 4
-
$3,258 SGD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$3,422 SGD
View
A
Retailer 6
-
$3,468 SGD
View
Retailer 7
-
$3,496 SGD
View
Price last confirmed 29 days ago
Retailer 8
-
$3,496 SGD
View
Price last confirmed 25 days ago
Retailer 9
-
$3,630 SGD
View
Price last confirmed 38 days ago
A
Retailer 10
-
$3,940 SGD
View
Retailer 11
-
$4,034 SGD
View
Price last confirmed 28 days ago
B+
Retailer 12
-
$5,216 SGD
View
Most Expensive
NZ Jewellers
b342702d-3fa6-4042-a6e4-f596b5ad42a7 · Sep 26
$7,307 SGD
$5,721 USD
View
Price last confirmed 40 days ago
12 more retailers have this diamond
Prices start from $2,696 SGDSave up to $2,520 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
$2,696 SGD