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Round|Natural|GIA

1.29ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 3565425604

Certificate GIA 3565425604

Diamond specifications and retailer prices

From £1,261 GBP
SGD 2,283 SGD
As of October 31, 2026
Save £1,175 GBP (48%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £2,436 GBP at Wholesale Diamonds Direct · As of October 26, 2026
View at Wholesale Diamonds Direct

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 J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 3565425604. Listed at 11 retailers as of October 26, 2026, with prices from £1,261 to £2,436, a £1,175 spread on the same certified stone. Wholesale Diamonds Direct lists it at £2,436. 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
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 3565425604
Dimensions6.98 × 6.94 × 4.33 mm
L/W Ratio1.01
Culet sizeNone
Top View
6.98 mm6.94 mm1.29 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3565425604
Side View
Table 57.0%Crown 34°Girdle: MED-STKPavilion 41.4°Culet: NDepth 62.2%

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: £1,637 GBP|Low: £1,479 GBP|High: £2,436 GBP|Avg: £1,732 GBP|+2.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Wholesale Diamonds Direct
November 2, 2026
Retailer 6£1,479 GBP
Retailer 4£1,492 GBP
Retailer 3£1,500 GBP
Retailer 9£1,526 GBP
Retailer 8£1,625 GBP
Retailer 1£1,637 GBP
Retailer 5£1,774 GBP
Retailer 2£1,886 GBP
Retailer 7£1,892 GBP
Wholesale Diamonds Direct£2,436 GBP

22 data points across 10 retailers

11 retailers£1,261 GBP to £2,436 GBP

A
Cheapest Retailer
-
£1,261 GBP
SGD 2,283 SGD
A
Retailer 2
-
£1,479 GBP
$1,982 USD
View
A
Retailer 3
-
£1,492 GBP
$2,000 USD
View
A
Retailer 4
-
£1,500 GBP
$2,010 USD
View
A
Retailer 5
-
£1,526 GBP
$2,045 USD
View
A
Retailer 6
-
£1,625 GBP
SGD 2,943 SGD
View
A
Retailer 7
-
£1,637 GBP
View
B+
Retailer 8
-
£1,774 GBP
$2,377 USD
View
B+
Retailer 9
-
£1,886 GBP
View
B+
Retailer 10
-
£1,892 GBP
$2,535 USD
View
Most Expensive
B
Wholesale Diamonds Direct
570927876 · Oct 26
£2,436 GBP
$3,264 USD
View
10 more retailers have this diamond
Prices start from £1,261 GBPSave up to £1,175 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
£1,261 GBP