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Round|Natural|GIA

2.51ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 5242069331

Certificate GIA 5242069331

Diamond specifications and retailer prices

From $13,956 SGD
As of November 3, 2026
Save $7,033 SGD (34%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $20,989 SGD at Diamonds Direct · As of November 1, 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 top-tier cut grade and certified by GIA 5242069331. Listed at 13 retailers as of November 1, 2026, with prices from $13,956 to $20,989, a $7,033 spread on the same certified stone. Diamonds Direct lists it at $20,989. 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

2.51
Carat
K
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 5242069331
Dimensions8.63 × 8.67 × 5.43 mm
L/W Ratio1.00
Culet sizeNone
Top View
8.63 mm8.67 mm2.51 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5242069331
Side View
Table 55.0%Crown 34.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.8%

Caratlytics Score

How it works →
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 3
Current: $20,989 SGD|Low: $13,956 SGD|High: $22,132 SGD|Avg: $17,267 SGD|-5.2%
Diamonds Direct
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 5, 2026
Retailer 6$13,956 SGD
Retailer 8$15,066 SGD
Retailer 7$15,218 SGD
Retailer 10$15,372 SGD
Retailer 11$15,454 SGD
Retailer 2$15,499 SGD
Retailer 13$15,740 SGD
Retailer 12$15,902 SGD
Retailer 3$18,033 SGD
Retailer 9$18,133 SGD
Retailer 4$18,152 SGD
Retailer 5$18,755 SGD
Diamonds Direct$20,989 SGD

30 data points across 13 retailers

13 retailers$13,956 SGD to $20,989 SGD

A
Cheapest Retailer
-
$13,956 SGD
A
Retailer 2
-
$15,066 SGD
View
A
Retailer 3
-
$15,218 SGD
View
A
Retailer 4
-
$15,372 SGD
View
A
Retailer 5
-
$15,454 SGD
View
A
Retailer 6
-
$15,499 SGD
View
A
Retailer 7
-
$15,740 SGD
View
A
Retailer 8
-
$15,902 SGD
View
B+
Retailer 9
-
$18,033 SGD
View
B+
Retailer 10
-
$18,133 SGD
View
B+
Retailer 11
-
$18,152 SGD
View
Retailer 12
-
$18,755 SGD
View
Price last confirmed 11 days ago
Most Expensive
B+
Diamonds Direct
1120578 · Nov 1
$20,989 SGD
$16,432 USD
View
12 more retailers have this diamond
Prices start from $13,956 SGDSave up to $7,033 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
$13,956 SGD