Oval|Natural|GIA

2.51ct E SI1 Oval Natural Diamond

EX • E/SI1 • GIA 5556763815

Certificate GIA 5556763815

Diamond specifications and retailer prices

From $26,439 USD
SGD 35,728 SGD
As of October 30, 2026
Save $22,931 USD (46%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $49,370 USD at With Clarity · As of October 29, 2026
View at With Clarity

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 5556763815. Listed at 14 retailers as of October 29, 2026, with prices from $26,439 to $49,370, a $22,931 spread on the same certified stone. With Clarity lists it at $49,370. 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
FluorescenceNone
Crown angle39.81°
Pavilion angle39.83°
OriginNatural
Grading LabGIA
CertificateGIA 5556763815
Dimensions11.15 × 7.45 × 4.55 mm
L/W Ratio1.50
Culet sizeNone
Top View
11.15 mm7.45 mm2.51 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5556763815
Side View
Table 60.0%Crown 39.81°Girdle: STK-THKPavilion 39.83°Culet: NoneDepth 61.1%

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: $40,605 USD|Low: $26,439 USD|High: $48,383 USD|Avg: $32,671 USD|-1.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
With Clarity
October 30, 2026
Retailer 12$26,439 USD
Retailer 5$28,342 USD
Retailer 2$28,861 USD
Retailer 3$28,863 USD
Retailer 11$29,673 USD
Retailer 4$29,702 USD
Retailer 7$29,820 USD
Retailer 10$32,255 USD
Retailer 6$33,880 USD
Retailer 9$33,926 USD
Retailer 8$34,670 USD
Retailer 1$40,605 USD
With Clarity$48,383 USD

43 data points across 13 retailers

14 retailers$26,439 USD to $49,370 USD

A
Cheapest Retailer
-
$26,439 USD
SGD 35,728 SGD
A
Retailer 2
-
$28,342 USD
£22,317 GBP
View
B+
Retailer 3
-
$28,861 USD
View
B+
Retailer 4
-
$28,863 USD
View
B+
Retailer 5
-
$29,673 USD
View
B+
Retailer 6
-
$29,702 USD
View
B+
Retailer 7
-
$29,820 USD
SGD 40,297 SGD
View
B+
Retailer 8
-
$32,255 USD
View
B+
Retailer 9
-
$33,880 USD
€32,267 EUR
View
B
Retailer 10
-
$33,926 USD
View
B
Retailer 11
-
$34,670 USD
View
B+
Retailer 12
-
$35,030 USD
View
B
Retailer 13
-
$40,605 USD
View
Most Expensive
B
With Clarity
5556763815 · Oct 29
$49,370 USD
View
13 more retailers have this diamond
Prices start from $26,439 USDSave up to $22,931 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
$26,439 USD