Oval|Natural|GIA

2.50ct D SI1 Oval Natural Diamond

EX • D/SI1 • GIA 1509971295

Certificate GIA 1509971295

Diamond specifications and retailer prices

From $24,499 USD
HK$191,400 HKD
As of October 29, 2026
Save $20,684 USD (46%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $45,183 USD 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 1509971295. Listed at 18 retailers as of October 29, 2026, with prices from $24,499 to $45,183, a $20,684 spread on the same certified stone. MOH London lists it at $45,183. 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
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1509971295
Dimensions10.93 × 7.53 × 4.80 mm
L/W Ratio1.45
Girdle conditionFaceted
Cert comments
Additional pinpoints are not shown.
Key to symbols
Feather, Crystal, Pinpoint
Top View
10.93 mm7.53 mm2.50 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1509971295
Side View
Table 58.0%CrownGirdle: THN-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 29
Current: $45,183 USD|Low: $28,679 USD|High: $45,550 USD|Avg: $33,339 USD|-0.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 9$28,920 USD
Retailer 7$28,980 USD
Retailer 10$29,116 USD
Retailer 2$29,272 USD
Retailer 8$30,860 USD
Retailer 11$31,441 USD
Retailer 4$31,924 USD
Retailer 5$34,861 USD
Retailer 3$35,355 USD
Retailer 6$39,580 USD
MOH London$45,183 USD

36 data points across 11 retailers

18 retailers$24,499 USD to $45,183 USD

A
Cheapest Retailer
-
$24,499 USD
HK$191,400 HKD
Retailer 2
-
$27,016 USD
SGD 36,508 SGD
View
Price last confirmed 18 days ago
B+
Retailer 3
-
$28,920 USD
View
Retailer 4
-
$28,980 USD
A$44,585 AUD
View
Price last confirmed 26 days ago
B+
Retailer 5
-
$29,116 USD
View
Final sale: no returns
B+
Retailer 6
-
$29,272 USD
£23,049 GBP
View
B+
Retailer 7
-
$29,976 USD
View
B+
Retailer 8
-
$30,860 USD
View
B+
Retailer 9
-
$31,441 USD
View
B+
Retailer 10
-
$31,764 USD
View
B+
Retailer 11
-
$31,924 USD
£25,137 GBP
View
B
Retailer 12
-
$33,352 USD
View
B
Retailer 13
-
$34,411 USD
View
B+
Retailer 14
-
$34,861 USD
€33,201 EUR
View
B+
Retailer 15
-
$35,355 USD
View
B
Retailer 16
-
$35,734 USD
View
B
Retailer 17
-
$39,580 USD
ZAR 639,420 ZAR
View
Most Expensive
B
MOH London
2F3821C54 · Oct 29
$45,183 USD
£35,577 GBP
View
17 more retailers have this diamond
Prices start from $24,499 USDSave up to $20,684 USD

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
$24,499 USD