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Round|Natural|GIA

2.51ct L SI1 Round Natural Diamond

VG • L/SI1 • GIA 6522909785

Certificate GIA 6522909785

Diamond specifications and retailer prices

From $18,675 NZD
As of November 5, 2026
7 retailers carry this diamond
Most expensive: $27,489 NZD at NZ Jewellers · As of October 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 very-good cut grade and certified by GIA 6522909785. Listed at 7 retailers as of November 5, 2026. 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
L
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38°
Pavilion angle40.4°
OriginNatural
Grading LabGIA
CertificateGIA 6522909785
Dimensions8.42 × 8.49 × 5.47 mm
L/W Ratio1.01
Girdle conditionThick
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
8.42 mm8.49 mm2.51 ctL / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6522909785
Side View
Table 56.0%Crown 38°GirdlePavilion 40.4°Culet: NoneDepth 64.7%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 5
Current: $27,489 NZD|Low: $14,336 NZD|High: $28,566 NZD|Avg: $18,937 NZD|-3.8%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 7$14,336 NZD
Retailer 8$15,076 NZD
Retailer 4$15,900 NZD
Retailer 6$16,435 NZD
Retailer 3$16,537 NZD
Retailer 5$16,688 NZD
Retailer 10$16,891 NZD
Retailer 2$18,675 NZD
Retailer 11$18,919 NZD
NZ Jewellers$27,489 NZD
Retailer 9$28,302 NZD

29 data points across 11 retailers

7 retailers

Retailer 1
-
$14,336 NZD
Price last confirmed 8 days ago
Retailer 2
-
$15,076 NZD
View
Price last confirmed 9 days ago
Retailer 3
-
$15,900 NZD
View
Price last confirmed 9 days ago
Retailer 4
-
$16,435 NZD
View
Price last confirmed 11 days ago
Retailer 5
-
$16,688 NZD
View
Price last confirmed 12 days ago
B
Retailer 6
-
$18,675 NZD
View
Most Expensive
NZ Jewellers
a457f048-9257-45e8-ab33-175e80ff3047 · Oct 27
$27,489 NZD
$15,453 USD
View
Price last confirmed 10 days ago
6 more retailers have this diamond
Prices start from $18,675 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.

B
2.51ct Round
$18,675 NZD