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Round|Natural|GIA

1.29ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 2567064613

Certificate GIA 2567064613

Diamond specifications and retailer prices

From £1,605 GBP
HK$16,800 HKD
As of October 31, 2026
Save £3,036 GBP (65%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £4,641 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.29ct natural round diamond

This 1.29ct natural round 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 and certified by GIA 2567064613. Listed at 11 retailers as of October 30, 2026, with prices from £1,605 to £4,641, a £3,036 spread on the same certified stone. NZ Jewellers lists it at £4,641. 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

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2567064613
Dimensions6.89 × 6.93 × 4.30 mm
L/W Ratio1.01
Key to symbols
Crystal, Cloud, Needle
Top View
6.89 mm6.93 mm1.29 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2567064613
Side View
Table 58.0%CrownGirdle: Slightly ThickPavilion 40.6°Culet: NoneDepth 62.3%

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 31
Current: £4,641 GBP|Low: £1,605 GBP|High: £4,681 GBP|Avg: £2,648 GBP|+17.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 7£1,605 GBP
Retailer 6£1,966 GBP
Retailer 2£2,070 GBP
Retailer 5£2,182 GBP
Retailer 10£2,277 GBP
Retailer 9£2,305 GBP
Retailer 8£2,370 GBP
Retailer 4£2,490 GBP
Retailer 3£3,393 GBP
Retailer 11£3,717 GBP
NZ Jewellers£4,641 GBP

21 data points across 11 retailers

11 retailers£1,605 GBP to £4,641 GBP

A
Cheapest Retailer
-
£1,605 GBP
HK$16,800 HKD
A
Retailer 2
-
£1,966 GBP
$2,634 USD
View
A
Retailer 3
-
£2,070 GBP
View
A
Retailer 4
-
£2,182 GBP
$2,923 USD
View
A
Retailer 5
-
£2,277 GBP
SGD 4,123 SGD
View
A
Retailer 6
-
£2,305 GBP
$3,089 USD
View
A
Retailer 7
-
£2,370 GBP
$3,175 USD
View
A
Retailer 8
-
£2,490 GBP
€3,178 EUR
View
Retailer 9
-
£3,393 GBP
€4,330 EUR
View
Price last confirmed 11 days ago
B
Retailer 10
-
£3,717 GBP
View
Most Expensive
B
NZ Jewellers
59d885fa-f937-4834-bc74-4be87d9e6ada · Oct 30
£4,641 GBP
$6,218 USD
View
10 more retailers have this diamond
Prices start from £1,605 GBPSave up to £3,036 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 Round
£1,605 GBP