Oval|Natural|GIA

2.50ct D SI1 Oval Natural Diamond

EX • D/SI1 • GIA 7551197531

Certificate GIA 7551197531

Diamond specifications and retailer prices

From $42,314 AUD
$29,723 USD
As of October 30, 2026
Save $12,011 AUD (22%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $72,975 AUD at MOH London · As of October 19, 2026
View at MOH London

About this 2.5ct natural oval diamond

This 2.5ct natural oval sits in the two to three carat band, graded D 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 7551197531. Listed at 24 retailers as of October 30, 2026, with a 28% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7551197531
Dimensions10.62 × 7.40 × 4.68 mm
L/W Ratio1.44
Key to symbols
Feather, Cloud, Crystal, Indented Natural, Needle, Natural
Top View
10.62 mm7.40 mm2.50 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7551197531
Side View
Table 61.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 63.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $72,975 AUD|Low: $37,476 AUD|High: $73,460 AUD|Avg: $49,804 AUD|-0.7%
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
October 31, 2026
Retailer 12$39,519 AUD
Retailer 3$42,604 AUD
Retailer 5$43,508 AUD
Retailer 7$44,377 AUD
Retailer 8$44,972 AUD
Retailer 4$46,405 AUD
Retailer 11$46,471 AUD
Retailer 10$46,810 AUD
Retailer 6$47,481 AUD
Retailer 9$51,417 AUD
Retailer 2$54,325 AUD
Retailer 14$54,828 AUD
Retailer 13$63,363 AUD
MOH London$72,975 AUD

35 data points across 14 retailers

24 retailers$42,314 AUD to $54,325 AUD

Retailer 1
-
$39,519 AUD
$27,760 USD
Price last confirmed 12 days ago
B+
Retailer 2
-
$42,314 AUD
$29,723 USD
View
B+
Retailer 3
-
$42,604 AUD
$29,927 USD
View
Final sale: no returns
Retailer 4
-
$43,173 AUD
$30,326 USD
View
Price last confirmed 13 days ago
B+
Retailer 5
-
$43,508 AUD
$30,562 USD
View
B+
Retailer 6
-
$44,377 AUD
₹2,968,796 INR
View
B+
Retailer 7
-
$44,972 AUD
$31,590 USD
View
B+
Retailer 8
-
$45,142 AUD
$31,710 USD
View
Retailer 9
-
$46,405 AUD
View
Price last confirmed 27 days ago
B+
Retailer 10
-
$46,471 AUD
$32,643 USD
View
Retailer 11
-
$46,476 AUD
$32,647 USD
View
Price last confirmed 19 days ago
B+
Retailer 12
-
$46,810 AUD
£25,891 GBP
View
B
Retailer 13
-
$47,481 AUD
$33,353 USD
View
Retailer 14
-
$48,414 AUD
$34,008 USD
View
Price last confirmed 31 days ago
Retailer 15
-
$48,801 AUD
$34,280 USD
View
Price last confirmed 31 days ago
B+
Retailer 16
-
$49,694 AUD
$34,907 USD
View
B+
Retailer 17
-
$50,262 AUD
$35,306 USD
View
Retailer 18
-
$50,350 AUD
$35,368 USD
View
Price last confirmed 23 days ago
B+
Retailer 19
-
$51,417 AUD
£28,439 GBP
View
Retailer 20
-
$52,286 AUD
$36,728 USD
View
Price last confirmed 21 days ago
B+
Retailer 21
-
$54,325 AUD
€36,343 EUR
View
Retailer 22
-
$54,828 AUD
$38,513 USD
View
Price last confirmed 11 days ago
Retailer 23
-
$63,363 AUD
ZAR 719,048 ZAR
View
Price last confirmed 13 days ago
Most Expensive
MOH London
355B66365 · Oct 19
$72,975 AUD
£40,363 GBP
View
Price last confirmed 12 days ago
23 more retailers have this diamond
Prices start from $42,314 AUDSave up to $12,011 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.

B+
2.50ct Oval
$42,314 AUD