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Oval|Natural|GIA

2.50ct D SI1 Oval Natural Diamond

EX • D/SI1 • GIA 6505550931

Certificate GIA 6505550931

Diamond specifications and retailer prices

From $54,084 NZD
$30,482 USD
As of October 30, 2026
Save $39,187 NZD (42%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $93,271 NZD 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 6505550931. Listed at 17 retailers as of October 29, 2026, with prices from $54,084 to $93,271, a $39,187 spread on the same certified stone. MOH London lists it at $93,271. 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
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6505550931
Dimensions10.85 × 7.76 × 4.59 mm
L/W Ratio1.40
Top View
10.85 mm7.76 mm2.50 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6505550931
Side View
Table 64.0%CrownGirdle: ThickPavilionCulet: NoneDepth 59.2%

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 30
Current: $93,271 NZD|Low: $54,084 NZD|High: $93,891 NZD|Avg: $68,174 NZD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 6$54,084 NZD
Retailer 7$57,691 NZD
Retailer 8$58,837 NZD
Retailer 3$59,835 NZD
Retailer 9$62,374 NZD
Retailer 2$65,521 NZD
Retailer 5$69,442 NZD
Retailer 4$82,142 NZD
MOH London$93,271 NZD

41 data points across 9 retailers

17 retailers$54,084 NZD to $93,271 NZD

B+
Cheapest Retailer
-
$54,084 NZD
$30,482 USD
B+
Retailer 2
-
$57,691 NZD
$32,515 USD
View
Retailer 3
-
$58,837 NZD
A$51,016 AUD
View
Price last confirmed 28 days ago
B
Retailer 4
-
$59,404 NZD
$33,480 USD
View
B+
Retailer 5
-
$59,835 NZD
£26,554 GBP
View
B+
Retailer 6
-
$61,879 NZD
$34,875 USD
View
B+
Retailer 7
-
$62,012 NZD
$34,950 USD
View
B+
Retailer 8
-
$62,012 NZD
$34,950 USD
View
B+
Retailer 9
-
$62,374 NZD
$35,154 USD
View
B+
Retailer 10
-
$64,088 NZD
$36,120 USD
View
B+
Retailer 11
-
$64,178 NZD
$36,171 USD
View
B+
Retailer 12
-
$64,354 NZD
$36,270 USD
View
B+
Retailer 13
-
$65,521 NZD
£29,077 GBP
View
B
Retailer 14
-
$66,829 NZD
$37,665 USD
View
B
Retailer 15
-
$69,442 NZD
€37,274 EUR
View
B
Retailer 16
-
$82,142 NZD
ZAR 747,903 ZAR
View
Most Expensive
B
MOH London
A3D2A0915 · Oct 29
$93,271 NZD
£41,392 GBP
View
16 more retailers have this diamond
Prices start from $54,084 NZDSave up to $39,187 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+
2.50ct Oval
$54,084 NZD