Oval|Natural|GIA

2.51ct E SI1 Oval Natural Diamond

EX • E/SI1 • GIA 1549951264

Certificate GIA 1549951264

Diamond specifications and retailer prices

From $20,045 USD
HK$156,600 HKD
As of October 30, 2026
Save $16,967 USD (46%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $37,012 USD 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 $20,045 to $37,012, a $16,967 spread on the same certified stone. MOH London lists it at $37,012. 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
Color
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: $37,012 USD|Low: $20,045 USD|High: $37,564 USD|Avg: $27,215 USD|-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 31, 2026
Retailer 8$20,045 USD
Retailer 10$22,995 USD
Retailer 4$23,367 USD
Retailer 15$23,851 USD
Retailer 11$23,884 USD
Retailer 2$23,957 USD
Retailer 5$24,934 USD
Retailer 17$25,325 USD
Retailer 19$26,020 USD
Retailer 13$26,078 USD
Retailer 6$26,434 USD
Retailer 9$27,320 USD
Retailer 18$27,539 USD
Retailer 16$28,188 USD
Retailer 12$28,602 USD
Retailer 7$29,272 USD
Retailer 14$32,422 USD
Retailer 3$33,394 USD
MOH London$37,012 USD

24 data points across 19 retailers

25 retailers$20,045 USD to $37,012 USD

A
Cheapest Retailer
-
$20,045 USD
HK$156,600 HKD
Retailer 2
-
$22,281 USD
SGD 30,110 SGD
View
Price last confirmed 19 days ago
Retailer 3
-
$22,995 USD
View
Price last confirmed 9 days ago
A
Retailer 4
-
$23,367 USD
View
A
Retailer 5
-
$23,851 USD
View
A
Retailer 6
-
$23,884 USD
View
A
Retailer 7
-
$23,957 USD
£18,863 GBP
View
Retailer 8
-
$24,341 USD
A$37,447 AUD
View
Price last confirmed 27 days ago
A
Retailer 9
-
$24,934 USD
View
Final sale: no returns
A
Retailer 10
-
$25,325 USD
View
B+
Retailer 11
-
$26,020 USD
View
A
Retailer 12
-
$26,078 USD
£20,534 GBP
View
B+
Retailer 13
-
$26,434 USD
View
B+
Retailer 14
-
$27,320 USD
View
B+
Retailer 15
-
$27,539 USD
View
Retailer 16
-
$27,545 USD
View
Price last confirmed 31 days ago
B+
Retailer 17
-
$28,188 USD
View
Retailer 18
-
$28,419 USD
View
Price last confirmed 23 days ago
B+
Retailer 19
-
$28,602 USD
€27,240 EUR
View
B+
Retailer 20
-
$29,272 USD
View
Retailer 21
-
$29,512 USD
View
Price last confirmed 21 days ago
B+
Retailer 22
-
$32,422 USD
ZAR 523,778 ZAR
View
B
Retailer 23
-
$33,394 USD
View
Retailer 24
-
$33,668 USD
View
Price last confirmed 31 days ago
Most Expensive
B
MOH London
0410395E4 · Oct 29
$37,012 USD
£29,143 GBP
View
24 more retailers have this diamond
Prices start from $20,045 USDSave up to $16,967 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
2.51ct Oval
$20,045 USD