Cushion|Natural|GIA

2.51ct I SI2 Cushion Natural Diamond

EX • I/SI2 • GIA 2546732070

Certificate GIA 2546732070

Diamond specifications and retailer prices

From $24,574 AUD
$17,222 USD
As of November 2, 2026
Save $17,222 AUD (41%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $41,796 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 2.51ct natural cushion diamond

This 2.51ct natural cushion sits in the two to three carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2546732070. Listed at 11 retailers as of November 1, 2026, with prices from $24,574 to $41,796, a $17,222 spread on the same certified stone. MOH London lists it at $41,796. 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

2.51
Carat
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.6°
Pavilion angle53.5°
OriginNatural
Grading LabGIA
CertificateGIA 2546732070
Dimensions9.46 × 7.26 × 4.94 mm
L/W Ratio1.30
Top View
9.46 mm7.26 mm2.51 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2546732070
Side View
Table 66.0%Crown 31.6°Girdle: MED-THKPavilion 53.5°Culet: NoneDepth 68.0%

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: Nov 2
Current: $41,796 AUD|Low: $23,758 AUD|High: $42,020 AUD|Avg: $28,494 AUD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 6$24,574 AUD
Retailer 10$24,603 AUD
Retailer 9$26,986 AUD
Retailer 5$27,559 AUD
Retailer 3$28,471 AUD
Retailer 7$29,366 AUD
Retailer 11$29,366 AUD
Retailer 8$30,336 AUD
Retailer 2$31,215 AUD
Retailer 4$31,247 AUD
MOH London$41,796 AUD

19 data points across 11 retailers

11 retailers$24,574 AUD to $41,796 AUD

A
Cheapest Retailer
-
$24,574 AUD
$17,222 USD
A
Retailer 2
-
$24,603 AUD
$17,242 USD
View
B+
Retailer 3
-
$26,986 AUD
$18,912 USD
View
B+
Retailer 4
-
$27,559 AUD
£15,208 GBP
View
B+
Retailer 5
-
$28,471 AUD
$19,953 USD
View
B+
Retailer 6
-
$29,366 AUD
$20,580 USD
View
B+
Retailer 7
-
$29,366 AUD
$20,580 USD
View
B+
Retailer 8
-
$30,336 AUD
$21,260 USD
View
B+
Retailer 9
-
$31,215 AUD
£17,225 GBP
View
B+
Retailer 10
-
$31,247 AUD
€20,856 EUR
View
Most Expensive
B
MOH London
A0BE04974 · Nov 1
$41,796 AUD
£23,064 GBP
View
10 more retailers have this diamond
Prices start from $24,574 AUDSave up to $17,222 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
2.51ct Cushion
$24,574 AUD