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Oval|Natural|GIA

2.51ct E SI1 Oval Natural Diamond

EX • E/SI1 • GIA 5556763815

Certificate GIA 5556763815

Diamond specifications and retailer prices

From $46,910 NZD
SGD 35,728 SGD
As of October 30, 2026
Save $40,687 NZD (46%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $87,597 NZD at With Clarity · As of October 30, 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 30, 2026, with prices from $46,910 to $87,597, a $40,687 spread on the same certified stone. With Clarity lists it at $87,597. 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
Colour
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: $72,045 NZD|Low: $46,910 NZD|High: $85,846 NZD|Avg: $57,983 NZD|-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 31, 2026
Retailer 12$46,910 NZD
Retailer 6$50,288 NZD
Retailer 2$51,207 NZD
Retailer 3$51,212 NZD
Retailer 11$52,649 NZD
Retailer 4$52,700 NZD
Retailer 7$52,909 NZD
Retailer 10$57,230 NZD
Retailer 5$59,941 NZD
Retailer 9$60,194 NZD
Retailer 8$61,514 NZD
Retailer 1$72,045 NZD
With Clarity$85,846 NZD

44 data points across 13 retailers

14 retailers$46,910 NZD to $87,597 NZD

A
Cheapest Retailer
-
$46,910 NZD
SGD 35,728 SGD
A
Retailer 2
-
$50,288 NZD
£22,317 GBP
View
B+
Retailer 3
-
$51,207 NZD
$28,861 USD
View
B+
Retailer 4
-
$51,212 NZD
$28,863 USD
View
B+
Retailer 5
-
$52,649 NZD
$29,673 USD
View
B+
Retailer 6
-
$52,700 NZD
$29,702 USD
View
B+
Retailer 7
-
$52,909 NZD
SGD 40,297 SGD
View
B+
Retailer 8
-
$57,230 NZD
$32,255 USD
View
B+
Retailer 9
-
$59,941 NZD
€32,174 EUR
View
B
Retailer 10
-
$60,194 NZD
$33,926 USD
View
B
Retailer 11
-
$61,514 NZD
$34,670 USD
View
B+
Retailer 12
-
$62,154 NZD
$35,030 USD
View
B
Retailer 13
-
$72,045 NZD
$40,605 USD
View
Most Expensive
B
With Clarity
5556763815 · Oct 30
$87,597 NZD
$49,370 USD
View
13 more retailers have this diamond
Prices start from $46,910 NZDSave up to $40,687 NZD

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
$46,910 NZD