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Oval|Natural|GIA

2.51ct E SI1 Oval Natural Diamond

ID • E/SI1 • GIA 2235509844

Certificate GIA 2235509844

Diamond specifications and retailer prices

From $49,467 NZD
$27,880 USD
As of October 29, 2026
Save $28,228 NZD (36%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $77,696 NZD 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 2235509844. Listed at 10 retailers as of October 29, 2026, with prices from $49,467 to $77,696, a $28,228 spread on the same certified stone. MOH London lists it at $77,696. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle33.34°
Pavilion angle40.54°
OriginNatural
Grading LabGIA
CertificateGIA 2235509844
Dimensions10.95 × 7.72 × 4.70 mm
L/W Ratio1.42
Girdle conditionThick
Key to symbols
Crystal, Needle
Top View
10.95 mm7.72 mm2.51 ctE / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2235509844
Side View
Table 59.0%Crown 33.34°Girdle: STK-THKPavilion 40.54°Culet: NoneDepth 60.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $77,696 NZD|Low: $49,100 NZD|High: $78,212 NZD|Avg: $57,856 NZD|-0.5%
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 30, 2026
Retailer 12$49,467 NZD
Retailer 10$49,844 NZD
Retailer 7$51,545 NZD
Retailer 9$53,078 NZD
Retailer 11$54,597 NZD
Retailer 6$54,879 NZD
Retailer 3$55,791 NZD
Retailer 5$57,352 NZD
Retailer 4$58,013 NZD
Retailer 8$59,173 NZD
Retailer 2$68,406 NZD
MOH London$77,696 NZD

37 data points across 12 retailers

10 retailers$49,467 NZD to $77,696 NZD

B+
Cheapest Retailer
-
$49,467 NZD
$27,880 USD
Retailer 2
-
$49,844 NZD
A$43,219 AUD
View
Price last confirmed 27 days ago
B+
Retailer 3
-
$51,545 NZD
$29,051 USD
View
B+
Retailer 4
-
$53,078 NZD
$29,915 USD
View
B+
Retailer 5
-
$54,597 NZD
$30,771 USD
View
B+
Retailer 6
-
$54,879 NZD
£24,354 GBP
View
B+
Retailer 7
-
$57,352 NZD
$32,324 USD
View
B
Retailer 8
-
$59,173 NZD
$33,350 USD
View
B
Retailer 9
-
$68,406 NZD
$38,554 USD
View
Most Expensive
B
MOH London
F39A62080 · Oct 29
$77,696 NZD
£34,480 GBP
View
9 more retailers have this diamond
Prices start from $49,467 NZDSave up to $28,228 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.

B+
2.51ct Oval
$49,467 NZD