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Round|Natural|GIA

2.51ct K SI2 Round Natural Diamond

VG • K/SI2 • GIA 1569767420

Certificate GIA 1569767420

Diamond specifications and retailer prices

From $16,014 NZD
As of November 5, 2026
Save $13,479 NZD (46%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $29,492 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 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 $16,014 to $29,492, a $13,479 spread on the same certified stone. NZ Jewellers lists it at $29,492. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $29,492 NZD|Low: $16,014 NZD|High: $29,492 NZD|Avg: $22,235 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 3$16,014 NZD
Retailer 9$16,302 NZD
Retailer 8$21,160 NZD
Retailer 6$21,486 NZD
Retailer 5$21,993 NZD
Retailer 7$24,415 NZD
Retailer 2$25,138 NZD
Retailer 4$27,562 NZD
NZ Jewellers$29,492 NZD

7 data points across 9 retailers

9 retailers$16,014 NZD to $29,492 NZD

A
Cheapest Retailer
-
$16,014 NZD
A
Retailer 2
-
$16,302 NZD
View
B+
Retailer 3
-
$21,160 NZD
View
B+
Retailer 4
-
$21,486 NZD
View
B+
Retailer 5
-
$21,993 NZD
View
B+
Retailer 6
-
$24,415 NZD
View
B+
Retailer 7
-
$25,138 NZD
View
B
Retailer 8
-
$27,562 NZD
View
Most Expensive
B
NZ Jewellers
0289e17f-c5d5-4a98-903f-b1767c989118 · Nov 5
$29,492 NZD
$16,579 USD
View
8 more retailers have this diamond
Prices start from $16,014 NZDSave up to $13,479 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
$16,014 NZD