CaratHunter
Plans
Round|Natural|GIA

2.50ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 6545477320

Certificate GIA 6545477320

Diamond specifications and retailer prices

From $43,492 NZD
HK$191,500 HKD
As of October 25, 2026
Save $36,061 NZD (45%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $79,553 NZD at MOH London · As of October 25, 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6545477320. Listed at 11 retailers as of October 25, 2026, with prices from $43,492 to $79,553, a $36,061 spread on the same certified stone. MOH London lists it at $79,553. 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
FluorescenceNone
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6545477320
Dimensions8.54 × 8.61 × 5.42 mm
L/W Ratio1.01
Top View
8.54 mm8.61 mm2.50 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6545477320
Side View
Table 56.0%Crown 35.5°Girdle: Slightly ThickPavilion 40.8°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: $79,553 NZD|Low: $43,492 NZD|High: $87,184 NZD|Avg: $57,655 NZD|-2.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 26, 2026
Retailer 13$43,492 NZD
Retailer 8$45,028 NZD
Retailer 11$47,954 NZD
Retailer 3$49,593 NZD
Retailer 9$51,199 NZD
Retailer 2$52,283 NZD
Retailer 12$53,460 NZD
Retailer 5$54,375 NZD
Retailer 4$55,502 NZD
Retailer 14$57,297 NZD
Retailer 15$57,541 NZD
Retailer 7$58,060 NZD
Retailer 10$59,331 NZD
MOH London$79,553 NZD
Retailer 6$87,184 NZD

15 data points across 15 retailers

11 retailers$43,492 NZD to $79,553 NZD

A
Cheapest Retailer
-
$43,492 NZD
HK$191,500 HKD
A
Retailer 2
-
$45,028 NZD
₹2,416,917 INR
View
Retailer 3
-
$47,954 NZD
$27,027 USD
View
Price last confirmed 9 days ago
A
Retailer 4
-
$51,199 NZD
$28,856 USD
View
B+
Retailer 5
-
$52,283 NZD
£23,202 GBP
View
B+
Retailer 6
-
$53,460 NZD
$30,130 USD
View
Retailer 7
-
$54,375 NZD
$30,646 USD
View
Price last confirmed 25 days ago
B+
Retailer 8
-
$57,297 NZD
$32,293 USD
View
B+
Retailer 9
-
$57,541 NZD
$32,430 USD
View
B+
Retailer 10
-
$59,331 NZD
€31,847 EUR
View
Most Expensive
B
MOH London
801343AB1 · Oct 25
$79,553 NZD
£35,304 GBP
View
10 more retailers have this diamond
Prices start from $43,492 NZDSave up to $36,061 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
$43,492 NZD