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Round|Natural|GIA

2.50ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 1567605991

Certificate GIA 1567605991

Diamond specifications and retailer prices

From $18,259 AUD
HK$100,200 HKD
As of October 30, 2026
Save $15,003 AUD (45%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $33,261 AUD 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 J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1567605991. Listed at 17 retailers as of October 29, 2026, with prices from $18,259 to $33,261, a $15,003 spread on the same certified stone. MOH London lists it at $33,261. 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
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle32°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1567605991
Dimensions8.81 × 8.79 × 5.32 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Twinning Wisp, Cloud
Top View
8.81 mm8.79 mm2.50 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1567605991
Side View
Table 57.0%Crown 32°Girdle: MED-STKPavilion 41°Culet: NoneDepth 60.4%

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 30
Current: $33,261 AUD|Low: $18,259 AUD|High: $33,261 AUD|Avg: $24,172 AUD|+0.4%
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
Retailer 16
Retailer 17
October 31, 2026
Retailer 8$18,259 AUD
Retailer 2$19,187 AUD
Retailer 17$21,290 AUD
Retailer 11$21,964 AUD
Retailer 7$22,009 AUD
Retailer 10$22,009 AUD
Retailer 9$22,407 AUD
Retailer 4$23,383 AUD
Retailer 13$24,447 AUD
Retailer 5$24,941 AUD
Retailer 3$25,332 AUD
Retailer 12$25,706 AUD
Retailer 6$25,981 AUD
Retailer 16$26,307 AUD
Retailer 15$29,136 AUD
Retailer 14$30,011 AUD
MOH London$33,261 AUD

9 data points across 17 retailers

17 retailers$18,259 AUD to $33,261 AUD

A
Cheapest Retailer
-
$18,259 AUD
HK$100,200 HKD
A
Retailer 2
-
$19,187 AUD
₹1,283,585 INR
View
B+
Retailer 3
-
$21,290 AUD
$14,955 USD
View
B+
Retailer 4
-
$21,964 AUD
£12,149 GBP
View
B+
Retailer 5
-
$22,009 AUD
$15,460 USD
View
B+
Retailer 6
-
$22,009 AUD
$15,460 USD
View
B+
Retailer 7
-
$22,407 AUD
$15,740 USD
View
Final sale: no returns
B+
Retailer 8
-
$23,383 AUD
$16,425 USD
View
B+
Retailer 9
-
$24,447 AUD
£13,522 GBP
View
B
Retailer 10
-
$24,941 AUD
$17,520 USD
View
B
Retailer 11
-
$25,332 AUD
$17,794 USD
View
B
Retailer 12
-
$25,706 AUD
€17,197 EUR
View
B
Retailer 13
-
$25,981 AUD
$18,250 USD
View
B
Retailer 14
-
$26,307 AUD
$18,479 USD
View
B
Retailer 15
-
$29,136 AUD
ZAR 330,639 ZAR
View
B
Retailer 16
-
$30,011 AUD
$21,081 USD
View
Most Expensive
B
MOH London
DD59EE477 · Oct 29
$33,261 AUD
£18,397 GBP
View
16 more retailers have this diamond
Prices start from $18,259 AUDSave up to $15,003 AUD

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
$18,259 AUD