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Round|Natural|GIA

2.51ct L SI1 Round Natural Diamond

EX • L/SI1 • GIA 6555007631

Certificate GIA 6555007631

Diamond specifications and retailer prices

From $6,049 SGD
As of November 4, 2026
Save $7,729 SGD (56%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $15,007 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 6555007631. Listed at 15 retailers as of November 4, 2026, with a 128% 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
FluorescenceFaint
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6555007631
Dimensions8.56 × 8.63 × 5.40 mm
L/W Ratio1.01
Top View
8.56 mm8.63 mm2.51 ctL / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6555007631
Side View
Table 57.0%CrownGirdle: Slightly ThickPavilion 40.6°Culet: NoneDepth 62.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: $13,778 SGD|Low: $6,049 SGD|High: $15,007 SGD|Avg: $9,318 SGD|-8.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 4$6,049 SGD
Retailer 2$7,877 SGD
Retailer 3$8,239 SGD
Retailer 7$8,239 SGD
Retailer 6$8,636 SGD
Retailer 5$9,096 SGD
NZ Jewellers$13,778 SGD

38 data points across 7 retailers

15 retailers$6,049 SGD to $13,778 SGD

A
Cheapest Retailer
-
$6,049 SGD
A
Retailer 2
-
$7,877 SGD
View
A
Retailer 3
-
$8,239 SGD
View
A
Retailer 4
-
$8,239 SGD
View
Retailer 5
-
$8,360 SGD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$8,636 SGD
View
A
Retailer 7
-
$8,724 SGD
View
Retailer 8
-
$8,728 SGD
View
Price last confirmed 30 days ago
Retailer 9
-
$8,850 SGD
View
Price last confirmed 38 days ago
Retailer 10
-
$8,986 SGD
View
Price last confirmed 38 days ago
A
Retailer 11
-
$9,096 SGD
View
B
Retailer 12
-
$13,778 SGD
View
Retailer 13
-
$13,983 SGD
View
Price last confirmed 10 days ago
Retailer 14
-
$14,597 SGD
View
Price last confirmed 26 days ago
Most Expensive
NZ Jewellers
644459cf-54cd-4e96-a75e-ebeba0d45fb3 · Sep 27
$15,007 SGD
$11,749 USD
View
Price last confirmed 40 days ago
14 more retailers have this diamond
Prices start from $6,049 SGDSave up to $7,729 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
$6,049 SGD