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Round|Natural|GIA

2.51ct K SI2 Round Natural Diamond

VG • K/SI2 • GIA 1246106136

Certificate GIA 1246106136

Diamond specifications and retailer prices

From $11,705 SGD
As of November 5, 2026
10 retailers carry this diamond
Most expensive: $15,851 SGD at Diamonds Direct · As of October 28, 2026
View at Diamonds Direct

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 SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 1246106136. Listed at 10 retailers as of November 5, 2026. 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
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceStrong
Crown angle38.5°
Pavilion angle40.2°
OriginNatural
Grading LabGIA
CertificateGIA 1246106136
Dimensions8.44 × 8.39 × 5.46 mm
L/W Ratio1.01
Culet sizeNone
Top View
8.44 mm8.39 mm2.51 ctK / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceStrong
CertificateGIA 1246106136
Side View
Table 56.0%Crown 38.5°Girdle: STK-THKPavilion 40.2°Culet: NDepth 64.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 5
Current: $15,851 SGD|Low: $10,752 SGD|High: $15,851 SGD|Avg: $13,153 SGD
Diamonds Direct
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 6$10,752 SGD
Retailer 2$11,705 SGD
Retailer 4$11,833 SGD
Retailer 7$11,848 SGD
Retailer 11$11,888 SGD
Retailer 10$12,312 SGD
Retailer 5$13,736 SGD
Retailer 3$13,759 SGD
Retailer 8$13,893 SGD
Retailer 9$14,289 SGD
Diamonds Direct$15,851 SGD

7 data points across 11 retailers

10 retailers

Retailer 1
-
$10,752 SGD
Price last confirmed 9 days ago
B+
Retailer 2
-
$11,705 SGD
View
Retailer 3
-
$11,833 SGD
View
Price last confirmed 9 days ago
Retailer 4
-
$11,848 SGD
View
Price last confirmed 9 days ago
Retailer 5
-
$11,888 SGD
View
Price last confirmed 10 days ago
Retailer 6
-
$12,312 SGD
View
Price last confirmed 10 days ago
Retailer 7
-
$13,736 SGD
View
Price last confirmed 9 days ago
Retailer 8
-
$13,893 SGD
View
Price last confirmed 10 days ago
Retailer 9
-
$14,289 SGD
View
Price last confirmed 11 days ago
Most Expensive
Diamonds Direct
1147873 · Oct 28
$15,851 SGD
$12,410 USD
View
Price last confirmed 8 days ago
9 more retailers have this diamond
Prices start from $11,705 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
$11,705 SGD