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Round|Natural|GIA

2.51ct K IF Round Natural Diamond

EX • K/IF • GIA 7543751502

Certificate GIA 7543751502

Diamond specifications and retailer prices

From $27,270 AUD
As of November 1, 2026
Save $20,142 AUD (42%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $47,412 AUD at MOH London · As of November 4, 2026
View at MOH London

About this 2.51ct natural round diamond

This 2.51ct natural round sits in the two to three carat band, graded K colour (faint-tinted) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 7543751502. Listed at 15 retailers as of November 1, 2026, with prices from $27,270 to $47,412, a $20,142 spread on the same certified stone. MOH London lists it at $47,412. At this carat range, natural pricing varies dramatically across retailers, so the cross-retailer spread on this exact stone is your single best indicator of fair price.

The 4Cs

2.51
Carat
K
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 7543751502
Dimensions8.87 × 8.92 × 5.27 mm
L/W Ratio1.01
Top View
8.87 mm8.92 mm2.51 ctK / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7543751502
Side View
Table 57.0%Crown 32°Girdle: THN-MEDPavilion 40.8°Culet: NDepth 59.3%

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 1
Current: $47,412 AUD|Low: $27,270 AUD|High: $48,112 AUD|Avg: $33,240 AUD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 7$27,270 AUD
Retailer 9$27,594 AUD
Retailer 10$28,080 AUD
Retailer 4$29,799 AUD
Retailer 3$30,546 AUD
Retailer 5$30,643 AUD
Retailer 8$30,800 AUD
Retailer 11$33,091 AUD
Retailer 12$34,364 AUD
Retailer 6$35,441 AUD
Retailer 2$41,799 AUD
MOH London$47,412 AUD

39 data points across 12 retailers

15 retailers$27,270 AUD to $47,412 AUD

A
Cheapest Retailer
-
$27,270 AUD
A
Retailer 2
-
$27,594 AUD
View
A
Retailer 3
-
$28,080 AUD
View
B+
Retailer 4
-
$29,799 AUD
View
Retailer 5
-
$30,546 AUD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$30,643 AUD
View
B+
Retailer 7
-
$30,800 AUD
View
B+
Retailer 8
-
$32,073 AUD
View
B+
Retailer 9
-
$33,091 AUD
View
B+
Retailer 10
-
$34,364 AUD
View
B+
Retailer 11
-
$35,441 AUD
View
B
Retailer 12
-
$37,372 AUD
View
B+
Retailer 13
-
$41,799 AUD
View
B
Retailer 14
-
$43,124 AUD
View
Most Expensive
B
MOH London
492DD684E · Nov 4
$47,412 AUD
£26,134 GBP
View
14 more retailers have this diamond
Prices start from $27,270 AUDSave up to $20,142 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 Round
$27,270 AUD