Round|Natural|GIA

2.51ct G SI1 Round Natural Diamond

ID • G/SI1 • GIA 1548635175

Certificate GIA 1548635175

Diamond specifications and retailer prices

From $43,962 NZD
$24,735 USD
As of November 2, 2026
Save $14,884 NZD (25%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $58,846 NZD at Yorxs · As of November 1, 2026
View at Yorxs

About this 2.51ct natural round diamond

This 2.51ct natural round sits in the two to three carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1548635175. Listed at 9 retailers as of November 1, 2026, with prices from $43,962 to $58,846, a $14,884 spread on the same certified stone. Yorxs lists it at $58,846. 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
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1548635175
Dimensions8.60 × 8.64 × 5.38 mm
L/W Ratio1.00
Top View
8.60 mm8.64 mm2.51 ctG / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1548635175
Side View
Table 57.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 62.5%

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 2
Current: $54,857 NZD|Low: $43,457 NZD|High: $59,260 NZD|Avg: $51,190 NZD|+1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Yorxs
November 2, 2026
Retailer 3$43,962 NZD
Retailer 2$49,123 NZD
Retailer 4$51,362 NZD
Retailer 1$54,857 NZD
Yorxs$58,846 NZD

36 data points across 5 retailers

9 retailers$43,962 NZD to $58,846 NZD

A
Cheapest Retailer
-
$43,962 NZD
$24,735 USD
B+
Retailer 2
-
$46,766 NZD
$26,313 USD
View
B+
Retailer 3
-
$49,123 NZD
$27,639 USD
View
Final sale: no returns
B+
Retailer 4
-
$51,362 NZD
$28,899 USD
View
B
Retailer 5
-
$53,035 NZD
$29,840 USD
View
B
Retailer 6
-
$53,035 NZD
$29,840 USD
View
B
Retailer 7
-
$54,794 NZD
$30,830 USD
View
B+
Retailer 8
-
$54,857 NZD
£24,303 GBP
View
Most Expensive
B+
Yorxs
35517 · Nov 1
$58,846 NZD
€31,533 EUR
View
8 more retailers have this diamond
Prices start from $43,962 NZDSave up to $14,884 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
$43,962 NZD