Round|Natural|GIA

2.51ct K SI2 Round Natural Diamond

VG • K/SI2 • GIA 1569767420

Certificate GIA 1569767420

Diamond specifications and retailer prices

From $9,002 USD
As of November 5, 2026
Save $7,577 USD (46%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $16,579 USD 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 K colour (faint-tinted) and SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 1569767420. Listed at 9 retailers as of November 5, 2026, with prices from $9,002 to $16,579, a $7,577 spread on the same certified stone. NZ Jewellers lists it at $16,579. 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
Color
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle38.5°
Pavilion angle40.4°
OriginNatural
Grading LabGIA
CertificateGIA 1569767420
Dimensions8.44 × 8.49 × 5.45 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Cloud, Crystal, Feather, Indented Natural, Needle
Top View
8.44 mm8.49 mm2.51 ctK / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1569767420
Side View
Table 57.0%Crown 38.5°Girdle: THN-THKPavilion 40.4°Culet: NoneDepth 64.4%

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 5
Current: $16,579 USD|Low: $9,002 USD|High: $16,579 USD|Avg: $12,499 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 3$9,002 USD
Retailer 9$9,164 USD
Retailer 8$11,895 USD
Retailer 6$12,078 USD
Retailer 5$12,363 USD
Retailer 7$13,725 USD
Retailer 2$14,131 USD
Retailer 4$15,494 USD
NZ Jewellers$16,579 USD

7 data points across 9 retailers

9 retailers$9,002 USD to $16,579 USD

A
Cheapest Retailer
-
$9,002 USD
A
Retailer 2
-
$9,164 USD
View
B+
Retailer 3
-
$11,895 USD
View
B+
Retailer 4
-
$12,078 USD
View
B+
Retailer 5
-
$12,363 USD
View
B+
Retailer 6
-
$13,725 USD
View
B+
Retailer 7
-
$14,131 USD
View
B
Retailer 8
-
$15,494 USD
View
Most Expensive
B
NZ Jewellers
0289e17f-c5d5-4a98-903f-b1767c989118 · Nov 5
$16,579 USD
View
8 more retailers have this diamond
Prices start from $9,002 USDSave up to $7,577 USD

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
$9,002 USD