Round|Natural|GIA

2.51ct E I1 Round Natural Diamond

EX • E/I1 • GIA 1427789651

Certificate GIA 1427789651

Diamond specifications and retailer prices

From $22,424 NZD
$12,638 USD
As of October 30, 2026
1 retailer carries this diamond
Only listing: $22,424 NZD at B2C Jewels
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at B2C Jewels

About this 2.51ct natural round diamond

This 2.51ct natural round sits in the two to three carat band, graded E colour (colourless) and I1 clarity (included), with a top-tier cut grade and certified by GIA 1427789651. Listed at a single retailer as of October 30, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. At this carat range, natural pricing varies dramatically across retailers, so the cross-retailer spread on this exact stone is your single best indicator of fair price.

The 4Cs

2.51
Carat
E
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceVery Strong
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1427789651
Dimensions8.59 × 8.64 × 5.46 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Crystal, Cavity
Top View
8.59 mm8.64 mm2.51 ctE / I1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceVery Strong
CertificateGIA 1427789651
Side View
Table 56.0%Crown 36.5°Girdle: THN-STKPavilion 41°Culet: NoneDepth 63.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $22,424 NZD|Low: $22,168 NZD|High: $33,168 NZD|Avg: $25,615 NZD|+1.2%
B2C Jewels
Retailer 2
Retailer 3
October 23, 2026
B2C Jewels$22,424 NZD
Retailer 3$22,762 NZD
Retailer 2$32,918 NZD

8 data points across 3 retailers

1 retailer

B+
B2C Jewels
30029404 · Oct 30
$22,424 NZD
$12,638 USD
View

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B+
2.51ct Round
$22,424 NZD