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Round|Natural|GIA

2.51ct K VS1 Round Natural Diamond

EX • K/VS1 • GIA 6551658112

Certificate GIA 6551658112

Diamond specifications and retailer prices

From $14,711 SGD
As of November 3, 2026
Save $11,660 SGD (44%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $26,371 SGD at With Clarity · As of November 5, 2026
View at With Clarity

About this 2.51ct natural round diamond

This 2.51ct natural round sits in the two to three carat band, graded K colour (faint-tinted) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 6551658112. Listed at 11 retailers as of November 3, 2026, with prices from $14,711 to $26,371, a $11,660 spread on the same certified stone. With Clarity lists it at $26,371. At this carat range, natural pricing varies dramatically across retailers, so the cross-retailer spread on this exact stone is your single best indicator of fair price.

The 4Cs

2.51
Carat
K
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6551658112
Dimensions8.60 × 5.41 × 5.41 mm
L/W Ratio1.59
Culet sizeNone
Top View
8.60 mm5.41 mm2.51 ctK / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6551658112
Side View
Table 58.0%Crown 36.5°Girdle: MED-STKPavilion 41°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 3
Current: $16,016 SGD|Low: $14,711 SGD|High: $27,737 SGD|Avg: $18,341 SGD|-3.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
With Clarity
November 5, 2026
Retailer 6$14,711 SGD
Retailer 8$15,190 SGD
Retailer 2$15,648 SGD
Retailer 1$16,016 SGD
Retailer 7$16,266 SGD
Retailer 5$17,601 SGD
Retailer 9$18,232 SGD
Retailer 4$18,737 SGD
Retailer 3$19,110 SGD
With Clarity$26,371 SGD

43 data points across 10 retailers

11 retailers$14,711 SGD to $26,371 SGD

A
Cheapest Retailer
-
$14,711 SGD
A
Retailer 2
-
$15,190 SGD
View
A
Retailer 3
-
$15,648 SGD
View
A
Retailer 4
-
$16,016 SGD
View
A
Retailer 5
-
$16,266 SGD
View
Retailer 6
-
$17,601 SGD
View
Price last confirmed 9 days ago
A
Retailer 7
-
$18,232 SGD
View
A
Retailer 8
-
$18,737 SGD
View
A
Retailer 9
-
$19,110 SGD
View
B+
Retailer 10
-
$20,923 SGD
View
Most Expensive
B
With Clarity
6551658112 · Nov 5
$26,371 SGD
$20,646 USD
View
10 more retailers have this diamond
Prices start from $14,711 SGDSave up to $11,660 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
2.51ct Round
$14,711 SGD