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Round|Natural|GIA

2.50ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 6561273899

Certificate GIA 6561273899

Diamond specifications and retailer prices

From $29,045 NZD
$16,370 USD
As of October 25, 2026
Save $17,020 NZD (37%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $46,065 NZD at MOH London · As of October 29, 2026
View at MOH London

About this 2.5ct natural round diamond

This 2.5ct natural round sits in the two to three carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6561273899. Listed at 15 retailers as of October 25, 2026, with prices from $29,045 to $46,065, a $17,020 spread on the same certified stone. MOH London lists it at $46,065. 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
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6561273899
Dimensions8.59 × 8.63 × 5.44 mm
L/W Ratio1.00
Key to symbols
Crystal, Feather, Cloud, Needle, Natural
Top View
8.59 mm8.63 mm2.50 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6561273899
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 63.2%

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 25
Current: $46,065 NZD|Low: $29,045 NZD|High: $46,372 NZD|Avg: $35,582 NZD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 7$29,045 NZD
Retailer 2$30,037 NZD
Retailer 10$31,036 NZD
Retailer 9$32,385 NZD
Retailer 8$34,004 NZD
Retailer 6$34,345 NZD
Retailer 11$35,083 NZD
Retailer 5$36,193 NZD
Retailer 3$36,433 NZD
Retailer 4$37,913 NZD
Retailer 12$41,563 NZD
MOH London$46,065 NZD

35 data points across 12 retailers

15 retailers$29,045 NZD to $46,065 NZD

A
Cheapest Retailer
-
$29,045 NZD
$16,370 USD
A
Retailer 2
-
$29,335 NZD
$16,533 USD
View
A
Retailer 3
-
$29,771 NZD
$16,779 USD
View
A
Retailer 4
-
$30,037 NZD
£13,330 GBP
View
A
Retailer 5
-
$31,036 NZD
$17,492 USD
View
Final sale: no returns
B+
Retailer 6
-
$32,385 NZD
$18,252 USD
View
B+
Retailer 7
-
$34,004 NZD
$19,165 USD
View
B+
Retailer 8
-
$34,345 NZD
€18,435 EUR
View
B+
Retailer 9
-
$35,083 NZD
$19,773 USD
View
B+
Retailer 10
-
$35,995 NZD
$20,287 USD
View
B+
Retailer 11
-
$36,193 NZD
£16,062 GBP
View
B+
Retailer 12
-
$36,433 NZD
$20,534 USD
View
B+
Retailer 13
-
$37,913 NZD
$21,368 USD
View
B
Retailer 14
-
$41,563 NZD
$23,425 USD
View
Most Expensive
B
MOH London
F455A4935 · Oct 29
$46,065 NZD
£20,443 GBP
View
14 more retailers have this diamond
Prices start from $29,045 NZDSave up to $17,020 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
$29,045 NZD