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Round|Natural|GIA

2.51ct L SI1 Round Natural Diamond

EX • L/SI1 • GIA 6521477112

Certificate GIA 6521477112

Diamond specifications and retailer prices

From $14,576 NZD
As of November 6, 2026
Save $12,949 NZD (47%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $27,525 NZD at NZ Jewellers · As of November 5, 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 6521477112. Listed at 16 retailers as of November 5, 2026, with prices from $14,576 to $27,525, a $12,949 spread on the same certified stone. NZ Jewellers lists it at $27,525. 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 angle33.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6521477112
Dimensions8.76 × 8.70 × 5.29 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
8.76 mm8.70 mm2.51 ctL / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6521477112
Side View
Table 60.0%Crown 33.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $14,576 NZD|Low: $14,576 NZD|High: $22,834 NZD|Avg: $18,663 NZD|-2.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 1$14,576 NZD
Retailer 6$16,912 NZD
Retailer 3$17,768 NZD
Retailer 2$18,897 NZD
Retailer 5$20,738 NZD
Retailer 4$22,676 NZD

29 data points across 6 retailers

16 retailers$14,576 NZD to $27,525 NZD

A
Cheapest Retailer
-
$14,576 NZD
A
Retailer 2
-
$14,914 NZD
View
B+
Retailer 3
-
$16,912 NZD
View
Retailer 4
-
$17,223 NZD
View
Price last confirmed 12 days ago
B+
Retailer 5
-
$17,768 NZD
View
B+
Retailer 6
-
$18,020 NZD
View
Retailer 7
-
$18,228 NZD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$18,897 NZD
View
B
Retailer 9
-
$19,748 NZD
View
B
Retailer 10
-
$20,052 NZD
View
B
Retailer 11
-
$20,208 NZD
View
B
Retailer 12
-
$20,214 NZD
View
B
Retailer 13
-
$20,738 NZD
View
B
Retailer 14
-
$22,676 NZD
View
B
Retailer 15
-
$22,786 NZD
View
Most Expensive
B
NZ Jewellers
97f1f53f-56be-4e96-815e-c755986a0b38 · Nov 5
$27,525 NZD
$15,473 USD
View
15 more retailers have this diamond
Prices start from $14,576 NZDSave up to $12,949 NZD

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
$14,576 NZD