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Oval|Natural|GIA

2.50ct D SI1 Oval Natural Diamond

EX • D/SI1 • GIA 1549509571

Certificate GIA 1549509571

Diamond specifications and retailer prices

From $37,945 AUD
$26,654 USD
As of October 30, 2026
Save $26,851 AUD (41%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $64,796 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 1549509571. Listed at 12 retailers as of October 29, 2026, with prices from $37,945 to $64,796, a $26,851 spread on the same certified stone. MOH London lists it at $64,796. 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

2.50
Carat
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1549509571
Dimensions10.32 × 7.36 × 4.79 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizeNone
Top View
10.32 mm7.36 mm2.50 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1549509571
Side View
Table 57.0%CrownGirdle: STK-ETKPavilionCulet: NoneDepth 65.1%

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: $64,796 AUD|Low: $36,941 AUD|High: $65,226 AUD|Avg: $45,312 AUD|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 7$37,945 AUD
Retailer 6$39,546 AUD
Retailer 12$41,267 AUD
Retailer 5$42,398 AUD
Retailer 9$42,987 AUD
Retailer 8$43,330 AUD
Retailer 4$43,747 AUD
Retailer 10$44,707 AUD
Retailer 3$45,199 AUD
Retailer 11$46,426 AUD
Retailer 2$48,681 AUD
MOH London$64,796 AUD

40 data points across 12 retailers

12 retailers$37,945 AUD to $64,796 AUD

A
Cheapest Retailer
-
$37,945 AUD
$26,654 USD
A
Retailer 2
-
$39,546 AUD
$27,779 USD
View
Final sale: no returns
B+
Retailer 3
-
$42,398 AUD
£23,451 GBP
View
B+
Retailer 4
-
$42,987 AUD
$30,196 USD
View
B+
Retailer 5
-
$43,330 AUD
$30,437 USD
View
B+
Retailer 6
-
$43,747 AUD
$30,730 USD
View
B+
Retailer 7
-
$43,747 AUD
$30,730 USD
View
B+
Retailer 8
-
$44,707 AUD
$31,404 USD
View
B+
Retailer 9
-
$45,199 AUD
$31,750 USD
View
B
Retailer 10
-
$46,426 AUD
$32,612 USD
View
B
Retailer 11
-
$48,681 AUD
€32,567 EUR
View
Most Expensive
B
MOH London
347A6FE3A · Oct 29
$64,796 AUD
£35,839 GBP
View
11 more retailers have this diamond
Prices start from $37,945 AUDSave up to $26,851 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
2.50ct Oval
$37,945 AUD