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Round|Natural|GIA

1.51ct N SI1 Round Natural Diamond

EX • N/SI1 • GIA 2506856389

Certificate GIA 2506856389

Diamond specifications and retailer prices

From $6,030 SGD
€4,496 EUR
As of November 5, 2026
1 retailer carries this diamond
Only listing: $6,030 SGD at Yorxs
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Yorxs

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded N colour (tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2506856389. Listed at a single retailer as of November 5, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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
N
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2506856389
Dimensions7.25 × 7.32 × 4.59 mm
L/W Ratio1.01
Star length45%
Lower girdle80%
Girdle conditionFaceted
Key to symbols
Crystal, Feather, Twinning Wisp, Cavity
Top View
7.25 mm7.32 mm1.51 ctN / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2506856389
Side View
Table 56.0%Crown 36.5°Girdle: STK-MEDPavilion 40.8°Culet: NoneDepth 63.0%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 5
Current: $6,030 SGD|Low: $5,919 SGD|High: $6,105 SGD|Avg: $6,030 SGD|+1.8%
November 5, 2026
Yorxs$6,030 SGD

22 data points across 1 retailer

1 retailer

B
Yorxs
501356798 · Nov 5
$6,030 SGD
€4,496 EUR
View

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
$6,030 SGD