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Radiant|Natural|GIA

1.03ct D SI1 Radiant Natural Diamond

EX • D/SI1 • GIA 1567505669

Certificate GIA 1567505669

Diamond specifications and retailer prices

From £1,748 GBP
As of November 5, 2026
Save £1,498 GBP (46%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £3,246 GBP at Helzberg Diamonds · As of November 6, 2026
View at Helzberg Diamonds

About this 1.03ct natural radiant diamond

This 1.03ct natural radiant sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1567505669. Listed at 14 retailers as of November 5, 2026, with prices from £1,748 to £3,246, a £1,498 spread on the same certified stone. Helzberg Diamonds lists it at £3,246. 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

1.03
Carat
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 1567505669
Dimensions6.97 × 5.14 × 3.48 mm
L/W Ratio1.36
Culet sizeNone
Top View
6.97 mm5.14 mm1.03 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1567505669
Side View
Table 68.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 67.6%

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 5
Current: £3,246 GBP|Low: £1,745 GBP|High: £3,246 GBP|Avg: £2,313 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
Retailer 14
November 7, 2026
Retailer 9£1,748 GBP
Retailer 13£1,857 GBP
Retailer 3£1,876 GBP
Retailer 5£1,888 GBP
Retailer 10£1,898 GBP
Retailer 2£2,019 GBP
Retailer 4£2,056 GBP
Retailer 12£2,217 GBP
Retailer 6£2,305 GBP
Retailer 7£2,368 GBP
Retailer 8£2,426 GBP
Retailer 14£2,879 GBP
Retailer 11£3,115 GBP
Helzberg Diamonds£3,246 GBP

32 data points across 14 retailers

14 retailers£1,748 GBP to £3,246 GBP

A
Cheapest Retailer
-
£1,748 GBP
A
Retailer 2
-
£1,857 GBP
View
A
Retailer 3
-
£1,876 GBP
View
A
Retailer 4
-
£1,888 GBP
View
Retailer 5
-
£1,898 GBP
View
Price last confirmed 10 days ago
A
Retailer 6
-
£2,019 GBP
View
B+
Retailer 7
-
£2,056 GBP
View
B+
Retailer 8
-
£2,217 GBP
View
B+
Retailer 9
-
£2,305 GBP
View
B+
Retailer 10
-
£2,368 GBP
View
B+
Retailer 11
-
£2,426 GBP
View
B+
Retailer 12
-
£2,879 GBP
View
B
Retailer 13
-
£3,115 GBP
View
Most Expensive
B
Helzberg Diamonds
XZRHLMNLGLMMP · Nov 6
£3,246 GBP
$4,345 USD
View
13 more retailers have this diamond
Prices start from £1,748 GBPSave up to £1,498 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
1.03ct Radiant
£1,748 GBP