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Oval|Natural|GIA

2.50ct D SI1 Oval Natural Diamond

EX • D/SI1 • GIA 6505550931

Certificate GIA 6505550931

Diamond specifications and retailer prices

From $43,394 AUD
$30,482 USD
As of October 30, 2026
Save $31,441 AUD (42%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $74,836 AUD at MOH London · As of October 29, 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 6505550931. Listed at 17 retailers as of October 29, 2026, with prices from $43,394 to $74,836, a $31,441 spread on the same certified stone. MOH London lists it at $74,836. 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
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6505550931
Dimensions10.85 × 7.76 × 4.59 mm
L/W Ratio1.40
Top View
10.85 mm7.76 mm2.50 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6505550931
Side View
Table 64.0%CrownGirdle: ThickPavilionCulet: NoneDepth 59.2%

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: $74,836 AUD|Low: $43,394 AUD|High: $75,333 AUD|Avg: $55,555 AUD|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 6$43,394 AUD
Retailer 7$46,288 AUD
Retailer 8$47,207 AUD
Retailer 3$48,008 AUD
Retailer 2$52,728 AUD
Retailer 4$55,876 AUD
Retailer 5$65,556 AUD
MOH London$74,836 AUD

43 data points across 8 retailers

17 retailers$43,394 AUD to $74,836 AUD

B+
Cheapest Retailer
-
$43,394 AUD
$30,482 USD
B+
Retailer 2
-
$46,288 AUD
$32,515 USD
View
Retailer 3
-
$47,207 AUD
View
Price last confirmed 26 days ago
B
Retailer 4
-
$47,662 AUD
$33,480 USD
View
B+
Retailer 5
-
$48,008 AUD
£26,553 GBP
View
B+
Retailer 6
-
$49,648 AUD
$34,875 USD
View
B+
Retailer 7
-
$49,755 AUD
$34,950 USD
View
B+
Retailer 8
-
$49,755 AUD
$34,950 USD
View
B+
Retailer 9
-
$50,045 AUD
$35,154 USD
View
B+
Retailer 10
-
$51,420 AUD
$36,120 USD
View
B+
Retailer 11
-
$51,493 AUD
$36,171 USD
View
B+
Retailer 12
-
$51,634 AUD
$36,270 USD
View
B+
Retailer 13
-
$52,728 AUD
£29,164 GBP
View
B
Retailer 14
-
$53,620 AUD
$37,665 USD
View
B
Retailer 15
-
$55,876 AUD
€37,381 EUR
View
B
Retailer 16
-
$65,556 AUD
ZAR 743,928 ZAR
View
Most Expensive
B
MOH London
A3D2A0915 · Oct 29
$74,836 AUD
£41,392 GBP
View
16 more retailers have this diamond
Prices start from $43,394 AUDSave up to $31,441 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
$43,394 AUD