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Round|Natural|GIA

2.51ct K SI1 Round Natural Diamond

VG • K/SI1 • GIA 2239127815

Certificate GIA 2239127815

Diamond specifications and retailer prices

From $17,968 SGD
As of November 6, 2026
Save $5,873 SGD (25%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $23,841 SGD at Yorxs · As of November 2, 2026
View at Yorxs

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 SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 2239127815. Listed at 6 retailers as of November 2, 2026, with prices from $17,968 to $23,841, a $5,873 spread on the same certified stone. Yorxs lists it at $23,841. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

2.51
Carat
K
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2239127815
Dimensions8.63 × 8.65 × 5.39 mm
L/W Ratio1.00
Top View
8.63 mm8.65 mm2.51 ctK / SI1
OriginNatural
CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2239127815
Side View
Table 58.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 62.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $18,900 SGD|Low: $17,968 SGD|High: $23,948 SGD|Avg: $20,899 SGD|-1.4%
Retailer 1
Retailer 2
Retailer 3
Yorxs
November 5, 2026
Retailer 3$17,968 SGD
Retailer 1$18,900 SGD
Retailer 2$22,911 SGD
Yorxs$23,841 SGD

42 data points across 4 retailers

6 retailers$17,968 SGD to $23,841 SGD

B+
Cheapest Retailer
-
$17,968 SGD
B+
Retailer 2
-
$18,781 SGD
View
B+
Retailer 3
-
$18,900 SGD
View
B+
Retailer 4
-
$19,243 SGD
View
B
Retailer 5
-
$22,911 SGD
View
Most Expensive
B
Yorxs
TIM2640 · Nov 2
$23,841 SGD
€17,776 EUR
View
5 more retailers have this diamond
Prices start from $17,968 SGDSave up to $5,873 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.

B+
2.51ct Round
$17,968 SGD