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Oval|Natural|GIA

1.29ct I SI2 Oval Natural Diamond

EX • I/SI2 • GIA 6431015888

Certificate GIA 6431015888

Diamond specifications and retailer prices

From £2,683 GBP
As of November 4, 2026
Save £3,181 GBP (54%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £5,864 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

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 6431015888. Listed at 14 retailers as of November 4, 2026, with prices from £2,683 to £5,864, a £3,181 spread on the same certified stone. NZ Jewellers lists it at £5,864. 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
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6431015888
Dimensions9.03 × 6.02 × 3.64 mm
L/W Ratio1.50
Top View
9.03 mm6.02 mm1.29 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6431015888
Side View
Table 58.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 60.5%

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 4
Current: £5,864 GBP|Low: £2,683 GBP|High: £5,864 GBP|Avg: £3,572 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 6, 2026
Retailer 12£2,683 GBP
Retailer 9£2,731 GBP
Retailer 4£2,864 GBP
Retailer 10£3,049 GBP
Retailer 11£3,049 GBP
Retailer 14£3,049 GBP
Retailer 2£3,409 GBP
Retailer 3£3,437 GBP
Retailer 5£3,437 GBP
Retailer 13£3,518 GBP
Retailer 6£3,549 GBP
Retailer 8£3,807 GBP
Retailer 7£5,346 GBP
NZ Jewellers£5,864 GBP

43 data points across 14 retailers

14 retailers£2,683 GBP to £5,864 GBP

B+
Cheapest Retailer
-
£2,683 GBP
A
Retailer 2
-
£2,731 GBP
View
B+
Retailer 3
-
£2,864 GBP
View
B+
Retailer 4
-
£3,049 GBP
View
Retailer 5
-
£3,049 GBP
View
Price last confirmed 8 days ago
B+
Retailer 6
-
£3,049 GBP
View
B+
Retailer 7
-
£3,409 GBP
View
B
Retailer 8
-
£3,437 GBP
View
B
Retailer 9
-
£3,437 GBP
View
B
Retailer 10
-
£3,518 GBP
View
B
Retailer 11
-
£3,549 GBP
View
B
Retailer 12
-
£3,807 GBP
View
B
Retailer 13
-
£5,346 GBP
View
Most Expensive
B
NZ Jewellers
47bc651e-63ff-4229-bcf1-ab0fd0da401c · Nov 5
£5,864 GBP
$7,849 USD
View
13 more retailers have this diamond
Prices start from £2,683 GBPSave up to £3,181 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
£2,683 GBP