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Round|Natural|GIA

2.50ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 2554902783

Certificate GIA 2554902783

Diamond specifications and retailer prices

From $29,140 NZD
SGD 22,194 SGD
As of October 29, 2026
Save $26,656 NZD (48%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $55,796 NZD at With Clarity · As of October 30, 2026
View at With Clarity

About this 2.5ct natural round diamond

This 2.5ct natural round sits in the two to three carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2554902783. Listed at 9 retailers as of October 29, 2026, with prices from $29,140 to $55,796, a $26,656 spread on the same certified stone. With Clarity lists it at $55,796. 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

2.50
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceVery Strong
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2554902783
Dimensions8.54 × 5.46 × 5.46 mm
L/W Ratio1.56
Culet sizeNone
Top View
8.54 mm5.46 mm2.50 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceVery Strong
CertificateGIA 2554902783
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 63.6%

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: Oct 29
Current: $32,541 NZD|Low: $29,140 NZD|High: $59,569 NZD|Avg: $38,089 NZD|-7.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
With Clarity
October 30, 2026
Retailer 6$29,140 NZD
Retailer 3$31,132 NZD
Retailer 5$32,115 NZD
Retailer 1$32,541 NZD
Retailer 4$34,104 NZD
Retailer 8$38,439 NZD
Retailer 2$38,447 NZD
Retailer 7$40,766 NZD
With Clarity$55,796 NZD

43 data points across 9 retailers

9 retailers$29,140 NZD to $55,796 NZD

A
Cheapest Retailer
-
$29,140 NZD
SGD 22,194 SGD
A
Retailer 2
-
$31,132 NZD
SGD 23,711 SGD
View
A
Retailer 3
-
$32,115 NZD
$18,100 USD
View
A
Retailer 4
-
$32,541 NZD
£14,441 GBP
View
A
Retailer 5
-
$34,104 NZD
$19,221 USD
View
A
Retailer 6
-
$38,439 NZD
$21,664 USD
View
A
Retailer 7
-
$38,447 NZD
€20,637 EUR
View
A
Retailer 8
-
$40,766 NZD
$22,976 USD
View
Most Expensive
B+
With Clarity
2554902783 · Oct 30
$55,796 NZD
$31,447 USD
View
8 more retailers have this diamond
Prices start from $29,140 NZDSave up to $26,656 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
2.50ct Round
$29,140 NZD