CaratHunter
Plans
Radiant|Natural|GIA

1.01ct D SI2 Radiant Natural Diamond

EX • D/SI2 • GIA 6545190291

Certificate GIA 6545190291

Diamond specifications and retailer prices

From £1,779 GBP
$2,384 USD
As of October 31, 2026
Save £2,910 GBP (62%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £4,689 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.01ct natural radiant diamond

This 1.01ct natural radiant sits in the classic one-carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6545190291. Listed at 11 retailers as of October 30, 2026, with prices from £1,779 to £4,689, a £2,910 spread on the same certified stone. NZ Jewellers lists it at £4,689. 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

1.01
Carat
D
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6545190291
Dimensions6.72 × 5.11 × 3.56 mm
L/W Ratio1.32
Top View
6.72 mm5.11 mm1.01 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6545190291
Side View
Table 69.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 69.6%

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: Oct 31
Current: £2,165 GBP|Low: £1,617 GBP|High: £3,706 GBP|Avg: £2,466 GBP|-0.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 5£1,779 GBP
Retailer 1£2,165 GBP
Retailer 6£2,329 GBP
Retailer 3£2,332 GBP
Retailer 4£2,626 GBP
Retailer 2£3,662 GBP

43 data points across 6 retailers

11 retailers£1,779 GBP to £4,689 GBP

A
Cheapest Retailer
-
£1,779 GBP
$2,384 USD
Final sale: no returns
B+
Retailer 2
-
£2,165 GBP
View
B+
Retailer 3
-
£2,243 GBP
$3,005 USD
View
B+
Retailer 4
-
£2,243 GBP
$3,005 USD
View
B+
Retailer 5
-
£2,329 GBP
$3,121 USD
View
B+
Retailer 6
-
£2,332 GBP
View
B+
Retailer 7
-
£2,350 GBP
$3,148 USD
View
B
Retailer 8
-
£2,588 GBP
$3,468 USD
View
B+
Retailer 9
-
£2,626 GBP
€3,351 EUR
View
B
Retailer 10
-
£3,662 GBP
View
Most Expensive
B
NZ Jewellers
e4675c4c-4f5f-4d0b-aee0-b2fd80d94773 · Oct 30
£4,689 GBP
$6,283 USD
View
10 more retailers have this diamond
Prices start from £1,779 GBPSave up to £2,910 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
1.01ct Radiant
£1,779 GBP