CaratHunter
Plans
Round|Natural|GIA

2.51ct L SI1 Round Natural Diamond

EX • L/SI1 • GIA 5242015916

Certificate GIA 5242015916

Diamond specifications and retailer prices

From $13,447 SGD
As of November 5, 2026
Save $3,703 SGD (22%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $20,817 SGD at NZ Jewellers · As of September 27, 2026
View at NZ Jewellers

About this 2.51ct natural round diamond

This 2.51ct natural round sits in the two to three carat band, graded L colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5242015916. Listed at 13 retailers as of November 5, 2026, with a 28% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
L
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 5242015916
Dimensions8.70 × 8.63 × 5.40 mm
L/W Ratio1.01
Star length50%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Crystal, Cloud, Needle
Top View
8.70 mm8.63 mm2.51 ctL / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5242015916
Side View
Table 58.0%Crown 34°Girdle: Slightly ThickPavilion 41.4°Culet: NoneDepth 62.3%

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 5
Current: $14,293 SGD|Low: $13,447 SGD|High: $17,270 SGD|Avg: $14,778 SGD|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 4$13,447 SGD
Retailer 6$13,610 SGD
Retailer 5$13,787 SGD
Retailer 1$14,293 SGD
Retailer 3$15,634 SGD
Retailer 2$17,150 SGD

44 data points across 6 retailers

13 retailers$13,447 SGD to $17,150 SGD

B+
Cheapest Retailer
-
$13,447 SGD
B+
Retailer 2
-
$13,610 SGD
View
Retailer 3
-
$13,787 SGD
View
Price last confirmed 12 days ago
Retailer 4
-
$13,787 SGD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$14,293 SGD
View
Retailer 6
-
$14,935 SGD
View
Price last confirmed 36 days ago
Retailer 7
-
$15,165 SGD
View
Price last confirmed 38 days ago
B+
Retailer 8
-
$15,634 SGD
View
B
Retailer 9
-
$17,150 SGD
View
Retailer 10
-
$17,233 SGD
View
Price last confirmed 59 days ago
Retailer 11
-
$17,233 SGD
View
Price last confirmed 38 days ago
Retailer 12
-
$20,817 SGD
View
Price last confirmed 69 days ago
Most Expensive
NZ Jewellers
5ccf45e2-24c4-4b0c-8144-392015112acd · Sep 27
$20,817 SGD
$16,298 USD
View
Price last confirmed 40 days ago
12 more retailers have this diamond
Prices start from $13,447 SGDSave up to $3,703 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
$13,447 SGD