CaratHunter
Plans
Oval|Natural|GIA

2.50ct H SI2 Oval Natural Diamond

EX • H/SI2 • GIA 6565477837

Certificate GIA 6565477837

Diamond specifications and retailer prices

From $31,682 NZD
SGD 24,130 SGD
As of October 30, 2026
Save $19,389 NZD (38%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $51,071 NZD at Helzberg Diamonds · As of October 31, 2026
View at Helzberg Diamonds

About this 2.5ct natural oval diamond

This 2.5ct natural oval sits in the two to three carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6565477837. Listed at 13 retailers as of October 30, 2026, with prices from $31,682 to $51,071, a $19,389 spread on the same certified stone. Helzberg Diamonds lists it at $51,071. 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
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.12°
Pavilion angle40.42°
OriginNatural
Grading LabGIA
CertificateGIA 6565477837
Dimensions10.70 × 7.68 × 4.77 mm
L/W Ratio1.39
Culet sizeNone
Top View
10.70 mm7.68 mm2.50 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6565477837
Side View
Table 59.0%Crown 37.12°Girdle: MED-THKPavilion 40.42°Culet: NoneDepth 62.1%

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: $51,071 NZD|Low: $31,682 NZD|High: $51,071 NZD|Avg: $39,270 NZD
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 4$31,682 NZD
Retailer 6$34,375 NZD
Retailer 3$34,582 NZD
Retailer 9$34,918 NZD
Retailer 8$34,945 NZD
Retailer 10$35,731 NZD
Retailer 13$36,158 NZD
Retailer 12$40,200 NZD
Retailer 7$40,478 NZD
Retailer 5$40,738 NZD
Retailer 11$42,443 NZD
Retailer 2$48,653 NZD
Helzberg Diamonds$51,071 NZD

28 data points across 13 retailers

13 retailers$31,682 NZD to $51,071 NZD

A
Cheapest Retailer
-
$31,682 NZD
SGD 24,130 SGD
B+
Retailer 2
-
$34,375 NZD
£15,255 GBP
View
B+
Retailer 3
-
$34,582 NZD
$19,491 USD
View
Retailer 4
-
$34,918 NZD
$19,680 USD
View
Price last confirmed 13 days ago
B+
Retailer 5
-
$34,945 NZD
$19,695 USD
View
B+
Retailer 6
-
$35,731 NZD
SGD 27,214 SGD
View
B+
Retailer 7
-
$36,158 NZD
$20,379 USD
View
B+
Retailer 8
-
$40,200 NZD
$22,657 USD
View
B+
Retailer 9
-
$40,478 NZD
€21,727 EUR
View
B
Retailer 10
-
$40,738 NZD
$22,960 USD
View
B
Retailer 11
-
$42,443 NZD
$23,921 USD
View
B
Retailer 12
-
$48,653 NZD
$27,421 USD
View
Most Expensive
B
Helzberg Diamonds
XZRMLMLKNNOJN · Oct 31
$51,071 NZD
$28,784 USD
View
12 more retailers have this diamond
Prices start from $31,682 NZDSave up to $19,389 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
2.50ct Oval
$31,682 NZD