Oval|Natural|GIA

1.29ct I SI2 Oval Natural Diamond

EX • I/SI2 • GIA 5242023195

Certificate GIA 5242023195

Diamond specifications and retailer prices

From £1,529 GBP
As of November 5, 2026
11 retailers carry this diamond
Most expensive: £2,960 GBP at Helzberg Diamonds · As of October 28, 2026
View at Helzberg Diamonds

About this 1.29ct natural oval diamond

This 1.29ct natural oval sits in the one-and-a-quarter to one-and-a-half carat band, graded I 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 5242023195. Listed at 11 retailers as of November 5, 2026. 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

1.29
Carat
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.47°
Pavilion angle39.37°
OriginNatural
Grading LabGIA
CertificateGIA 5242023195
Dimensions8.49 × 6.06 × 3.80 mm
L/W Ratio1.40
Culet sizeNone
Top View
8.49 mm6.06 mm1.29 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5242023195
Side View
Table 58.0%Crown 40.47°Girdle: STK-THKPavilion 39.37°Culet: NoneDepth 62.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: £2,960 GBP|Low: £1,520 GBP|High: £3,142 GBP|Avg: £2,096 GBP|-5.3%
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 5, 2026
Retailer 2£1,529 GBP
Retailer 4£1,557 GBP
Retailer 7£1,637 GBP
Retailer 6£1,651 GBP
Retailer 8£1,774 GBP
Retailer 12£1,798 GBP
Retailer 10£1,952 GBP
Retailer 9£2,010 GBP
Retailer 11£2,058 GBP
Retailer 5£2,126 GBP
Retailer 3£2,708 GBP
Helzberg Diamonds£2,960 GBP

37 data points across 12 retailers

11 retailers

A
Cheapest Retailer
-
£1,529 GBP
Retailer 2
-
£1,557 GBP
View
Price last confirmed 9 days ago
Retailer 3
-
£1,637 GBP
View
Price last confirmed 9 days ago
Retailer 4
-
£1,651 GBP
View
Price last confirmed 9 days ago
Retailer 5
-
£1,774 GBP
View
Price last confirmed 9 days ago
Retailer 6
-
£1,798 GBP
View
Price last confirmed 8 days ago
Retailer 7
-
£1,952 GBP
View
Price last confirmed 10 days ago
Retailer 8
-
£2,010 GBP
View
Price last confirmed 9 days ago
Retailer 9
-
£2,126 GBP
View
Price last confirmed 9 days ago
Retailer 10
-
£2,708 GBP
View
Price last confirmed 11 days ago
Most Expensive
Helzberg Diamonds
XZRLIKIGIJHPL · Oct 28
£2,960 GBP
$3,962 USD
View
Price last confirmed 9 days ago
10 more retailers have this diamond
Prices start from £1,529 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
1.29ct Oval
£1,529 GBP