CaratHunter
Plans
Radiant|Natural|GIA

1.00ct D SI1 Radiant Natural Diamond

ID • D/SI1 • GIA 6555914191

Certificate GIA 6555914191

Diamond specifications and retailer prices

From €1,627 EUR
HK$14,200 HKD
As of October 31, 2026
Save €2,907 EUR (64%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: €4,534 EUR at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1ct natural radiant diamond

This 1ct 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 6555914191. Listed at 23 retailers as of October 30, 2026, with prices from €1,627 to €4,534, a €2,907 spread on the same certified stone. NZ Jewellers lists it at €4,534. 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

1.00
Carat
D
Color
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishVery Good
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6555914191
Dimensions6.88 × 5.09 × 3.45 mm
L/W Ratio1.35
Girdle conditionPolished
Culet sizeNone
Key to symbols
Feather, Crystal, Needle
Top View
6.88 mm5.09 mm1.00 ctD / SI1
OriginNatural
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6555914191
Side View
Table 68.0%CrownGirdle: THK-VTKPavilionCulet: 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: Oct 31
Current: €4,534 EUR|Low: €1,615 EUR|High: €4,534 EUR|Avg: €2,507 EUR
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
October 31, 2026
Retailer 13€1,627 EUR
Retailer 2€1,727 EUR
Retailer 12€1,916 EUR
Retailer 10€2,001 EUR
Retailer 6€2,029 EUR
Retailer 18€2,122 EUR
Retailer 15€2,157 EUR
Retailer 4€2,169 EUR
Retailer 11€2,169 EUR
Retailer 8€2,266 EUR
Retailer 5€2,268 EUR
Retailer 20€2,294 EUR
Retailer 16€2,317 EUR
Retailer 9€2,354 EUR
Retailer 7€2,502 EUR
Retailer 14€2,665 EUR
Retailer 17€2,708 EUR
Retailer 3€3,804 EUR
Retailer 19€4,189 EUR
NZ Jewellers€4,534 EUR

21 data points across 20 retailers

23 retailers€1,627 EUR to €4,534 EUR

A
Cheapest Retailer
-
€1,627 EUR
HK$14,200 HKD
A
Retailer 2
-
€1,727 EUR
₹183,790 INR
View
A
Retailer 3
-
€1,916 EUR
SGD 2,893 SGD
View
A
Retailer 4
-
€2,001 EUR
$2,236 USD
View
Final sale: no returns
A
Retailer 5
-
€2,029 EUR
$2,267 USD
View
A
Retailer 6
-
€2,063 EUR
$2,305 USD
View
A
Retailer 7
-
€2,122 EUR
£1,866 GBP
View
A
Retailer 8
-
€2,157 EUR
$2,410 USD
View
A
Retailer 9
-
€2,169 EUR
$2,423 USD
View
A
Retailer 10
-
€2,169 EUR
$2,423 USD
View
A
Retailer 11
-
€2,210 EUR
A$3,798 AUD
View
A
Retailer 12
-
€2,266 EUR
SGD 3,421 SGD
View
A
Retailer 13
-
€2,268 EUR
$2,534 USD
View
A
Retailer 14
-
€2,294 EUR
$2,563 USD
View
A
Retailer 15
-
€2,317 EUR
£2,038 GBP
View
B+
Retailer 16
-
€2,354 EUR
$2,630 USD
View
B+
Retailer 17
-
€2,502 EUR
$2,795 USD
View
B+
Retailer 18
-
€2,665 EUR
ZAR 48,106 ZAR
View
Retailer 19
-
€2,707 EUR
A$4,653 AUD
View
Price last confirmed 24 days ago
B+
Retailer 20
-
€2,708 EUR
View
B
Retailer 21
-
€3,804 EUR
£3,346 GBP
View
B
Retailer 22
-
€4,189 EUR
£3,685 GBP
View
Most Expensive
B
NZ Jewellers
e8b247d8-7354-4635-822f-51e06b3aee4c · Oct 30
€4,534 EUR
$5,065 USD
View
22 more retailers have this diamond
Prices start from €1,627 EURSave up to €2,907 EUR

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
1.00ct Radiant
€1,627 EUR