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Oval|Natural|GIA

2.50ct H SI2 Oval Natural Diamond

EX • H/SI2 • GIA 6565477837

Certificate GIA 6565477837

Diamond specifications and retailer prices

From £13,327 GBP
SGD 24,130 SGD
As of November 1, 2026
Save £8,156 GBP (38%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £21,482 GBP 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 31, 2026, with prices from £13,327 to £21,482, a £8,156 spread on the same certified stone. Helzberg Diamonds lists it at £21,482. 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: Nov 1
Current: £21,482 GBP|Low: £13,327 GBP|High: £21,482 GBP|Avg: £16,513 GBP
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
November 1, 2026
Retailer 4£13,327 GBP
Retailer 2£14,459 GBP
Retailer 3£14,546 GBP
Retailer 9£14,688 GBP
Retailer 8£14,699 GBP
Retailer 10£15,030 GBP
Retailer 13£15,209 GBP
Retailer 12£16,910 GBP
Retailer 7£17,026 GBP
Retailer 5£17,136 GBP
Retailer 11£17,853 GBP
Retailer 6£20,465 GBP
Helzberg Diamonds£21,482 GBP

29 data points across 13 retailers

13 retailers£13,327 GBP to £21,482 GBP

A
Cheapest Retailer
-
£13,327 GBP
SGD 24,130 SGD
B+
Retailer 2
-
£14,459 GBP
View
B+
Retailer 3
-
£14,546 GBP
$19,491 USD
View
Retailer 4
-
£14,688 GBP
$19,680 USD
View
Price last confirmed 13 days ago
B+
Retailer 5
-
£14,699 GBP
$19,695 USD
View
B+
Retailer 6
-
£15,030 GBP
SGD 27,214 SGD
View
B+
Retailer 7
-
£15,209 GBP
$20,379 USD
View
B+
Retailer 8
-
£16,910 GBP
$22,657 USD
View
B+
Retailer 9
-
£17,026 GBP
€21,727 EUR
View
B
Retailer 10
-
£17,136 GBP
$22,960 USD
View
B
Retailer 11
-
£17,853 GBP
$23,921 USD
View
B
Retailer 12
-
£20,465 GBP
$27,421 USD
View
Most Expensive
B
Helzberg Diamonds
XZRMLMLKNNOJN · Oct 31
£21,482 GBP
$28,784 USD
View
12 more retailers have this diamond
Prices start from £13,327 GBPSave up to £8,156 GBP

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
£13,327 GBP