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Oval|Natural|GIA

2.51ct E SI1 Oval Natural Diamond

EX • E/SI1 • GIA 1549951264

Certificate GIA 1549951264

Diamond specifications and retailer prices

From $28,532 AUD
HK$156,600 HKD
As of October 30, 2026
Save $24,151 AUD (46%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $52,682 AUD at MOH London · As of October 29, 2026
View at MOH London

About this 2.51ct natural oval diamond

This 2.51ct natural oval sits in the two to three carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1549951264. Listed at 25 retailers as of October 29, 2026, with prices from $28,532 to $52,682, a $24,151 spread on the same certified stone. MOH London lists it at $52,682. 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
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 1549951264
Dimensions10.57 × 7.44 × 4.74 mm
L/W Ratio1.42
Girdle conditionFaceted
Key to symbols
Crystal, Feather, Twinning Wisp, Indented Natural
Top View
10.57 mm7.44 mm2.51 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1549951264
Side View
Table 62.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 63.7%

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: $52,682 AUD|Low: $28,532 AUD|High: $53,469 AUD|Avg: $38,746 AUD|-1.2%
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
Retailer 19
October 30, 2026
Retailer 8$28,532 AUD
Retailer 10$32,731 AUD
Retailer 4$33,261 AUD
Retailer 15$33,950 AUD
Retailer 11$33,996 AUD
Retailer 12$34,099 AUD
Retailer 5$35,491 AUD
Retailer 17$36,048 AUD
Retailer 19$37,037 AUD
Retailer 2$37,119 AUD
Retailer 6$37,626 AUD
Retailer 9$38,887 AUD
Retailer 18$39,199 AUD
Retailer 16$40,123 AUD
Retailer 13$40,648 AUD
Retailer 7$41,666 AUD
Retailer 14$46,149 AUD
Retailer 3$47,533 AUD
MOH London$52,682 AUD

24 data points across 19 retailers

25 retailers$28,532 AUD to $52,682 AUD

A
Cheapest Retailer
-
$28,532 AUD
HK$156,600 HKD
Retailer 2
-
$31,715 AUD
SGD 30,110 SGD
View
Price last confirmed 18 days ago
Retailer 3
-
$32,731 AUD
$22,995 USD
View
Price last confirmed 9 days ago
A
Retailer 4
-
$33,261 AUD
$23,367 USD
View
A
Retailer 5
-
$33,950 AUD
$23,851 USD
View
A
Retailer 6
-
$33,996 AUD
$23,884 USD
View
A
Retailer 7
-
$34,099 AUD
£18,863 GBP
View
Retailer 8
-
$34,646 AUD
View
Price last confirmed 26 days ago
A
Retailer 9
-
$35,491 AUD
$24,934 USD
View
Final sale: no returns
A
Retailer 10
-
$36,048 AUD
$25,325 USD
View
B+
Retailer 11
-
$37,037 AUD
$26,020 USD
View
A
Retailer 12
-
$37,119 AUD
£20,534 GBP
View
B+
Retailer 13
-
$37,626 AUD
$26,434 USD
View
B+
Retailer 14
-
$38,887 AUD
$27,320 USD
View
B+
Retailer 15
-
$39,199 AUD
$27,539 USD
View
Retailer 16
-
$39,208 AUD
$27,545 USD
View
Price last confirmed 30 days ago
B+
Retailer 17
-
$40,123 AUD
$28,188 USD
View
Retailer 18
-
$40,452 AUD
$28,419 USD
View
Price last confirmed 22 days ago
B+
Retailer 19
-
$40,648 AUD
€27,197 EUR
View
B+
Retailer 20
-
$41,666 AUD
$29,272 USD
View
Retailer 21
-
$42,007 AUD
$29,512 USD
View
Price last confirmed 21 days ago
B+
Retailer 22
-
$46,149 AUD
ZAR 523,778 ZAR
View
B
Retailer 23
-
$47,533 AUD
$33,394 USD
View
Retailer 24
-
$47,923 AUD
$33,668 USD
View
Price last confirmed 31 days ago
Most Expensive
B
MOH London
0410395E4 · Oct 29
$52,682 AUD
£29,143 GBP
View
24 more retailers have this diamond
Prices start from $28,532 AUDSave up to $24,151 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 Oval
$28,532 AUD