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Round|Natural|GIA

2.50ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 3565675049

Certificate GIA 3565675049

Diamond specifications and retailer prices

From $15,707 AUD
HK$86,200 HKD
As of October 30, 2026
Save $12,661 AUD (45%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $28,369 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 3565675049. Listed at 18 retailers as of October 29, 2026, with prices from $15,707 to $28,369, a $12,661 spread on the same certified stone. MOH London lists it at $28,369. 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
FluorescenceMedium
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 3565675049
Dimensions8.56 × 8.63 × 5.46 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Needle, Natural
Top View
8.56 mm8.63 mm2.50 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 3565675049
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 63.5%

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: Oct 30
Current: $28,369 AUD|Low: $15,707 AUD|High: $28,369 AUD|Avg: $20,501 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
Retailer 18
October 31, 2026
Retailer 7$15,707 AUD
Retailer 2$16,390 AUD
Retailer 4$18,221 AUD
Retailer 3$18,258 AUD
Retailer 12$18,984 AUD
Retailer 5$19,090 AUD
Retailer 11$19,090 AUD
Retailer 10$19,112 AUD
Retailer 8$19,396 AUD
Retailer 6$19,943 AUD
Retailer 14$20,851 AUD
Retailer 18$21,273 AUD
Retailer 17$21,606 AUD
Retailer 16$22,436 AUD
Retailer 13$22,767 AUD
Retailer 15$24,850 AUD
Retailer 9$25,596 AUD
MOH London$28,369 AUD

9 data points across 18 retailers

18 retailers$15,707 AUD to $28,369 AUD

A
Cheapest Retailer
-
$15,707 AUD
HK$86,200 HKD
A
Retailer 2
-
$16,390 AUD
₹1,096,471 INR
View
A
Retailer 3
-
$18,221 AUD
$12,799 USD
View
A
Retailer 4
-
$18,258 AUD
$12,825 USD
View
A
Retailer 5
-
$18,984 AUD
£10,500 GBP
View
B+
Retailer 6
-
$19,090 AUD
$13,410 USD
View
B+
Retailer 7
-
$19,090 AUD
$13,410 USD
View
B+
Retailer 8
-
$19,112 AUD
$13,425 USD
View
Final sale: no returns
Retailer 9
-
$19,396 AUD
View
Price last confirmed 8 days ago
B+
Retailer 10
-
$19,943 AUD
$14,009 USD
View
B+
Retailer 11
-
$20,851 AUD
£11,533 GBP
View
B+
Retailer 12
-
$21,273 AUD
$14,943 USD
View
B+
Retailer 13
-
$21,606 AUD
$15,177 USD
View
B+
Retailer 14
-
$22,436 AUD
$15,760 USD
View
B+
Retailer 15
-
$22,767 AUD
€15,231 EUR
View
B
Retailer 16
-
$24,850 AUD
ZAR 281,997 ZAR
View
B
Retailer 17
-
$25,596 AUD
$17,980 USD
View
Most Expensive
B
MOH London
91A3F277E · Oct 29
$28,369 AUD
£15,691 GBP
View
17 more retailers have this diamond
Prices start from $15,707 AUDSave up to $12,661 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
$15,707 AUD