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Radiant|Natural|GIA

1.00ct D SI2 Radiant Natural Diamond

ID • D/SI2 • GIA 1545627178

Certificate GIA 1545627178

Diamond specifications and retailer prices

From €2,096 EUR
$2,342 USD
As of October 31, 2026
Save €2,383 EUR (53%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €4,479 EUR at MOH London · As of October 29, 2026
View at MOH London

About this 1ct natural radiant diamond

This 1ct 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 1545627178. Listed at 19 retailers as of October 29, 2026, with prices from €2,096 to €4,479, a €2,383 spread on the same certified stone. MOH London lists it at €4,479. 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
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 1545627178
Dimensions6.80 × 4.91 × 3.37 mm
L/W Ratio1.38
Culet sizeNone
Top View
6.80 mm4.91 mm1.00 ctD / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1545627178
Side View
Table 69.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 68.6%

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: €4,479 EUR|Low: €1,920 EUR|High: €4,508 EUR|Avg: €2,829 EUR|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 10€2,096 EUR
Retailer 7€2,112 EUR
Retailer 8€2,413 EUR
Retailer 9€2,616 EUR
Retailer 13€2,618 EUR
Retailer 3€2,757 EUR
Retailer 4€2,757 EUR
Retailer 5€2,846 EUR
Retailer 2€2,848 EUR
Retailer 11€3,093 EUR
Retailer 6€3,119 EUR
Retailer 12€3,170 EUR
MOH London€4,479 EUR

41 data points across 13 retailers

19 retailers€2,096 EUR to €4,479 EUR

A
Cheapest Retailer
-
€2,096 EUR
$2,342 USD
A
Retailer 2
-
€2,112 EUR
$2,360 USD
View
Final sale: no returns
A
Retailer 3
-
€2,162 EUR
$2,415 USD
View
A
Retailer 4
-
€2,170 EUR
$2,424 USD
View
A
Retailer 5
-
€2,278 EUR
$2,545 USD
View
B+
Retailer 6
-
€2,413 EUR
$2,696 USD
View
B+
Retailer 7
-
€2,616 EUR
$2,923 USD
View
B+
Retailer 8
-
€2,618 EUR
$2,925 USD
View
B+
Retailer 9
-
€2,618 EUR
$2,925 USD
View
B+
Retailer 10
-
€2,639 EUR
CA$4,095 CAD
View
B+
Retailer 11
-
€2,757 EUR
$3,080 USD
View
B+
Retailer 12
-
€2,757 EUR
$3,080 USD
View
B+
Retailer 13
-
€2,846 EUR
$3,180 USD
View
B+
Retailer 14
-
€2,848 EUR
£2,505 GBP
View
Retailer 15
-
€3,093 EUR
$3,455 USD
View
Price last confirmed 8 days ago
B+
Retailer 16
-
€3,119 EUR
View
B+
Retailer 17
-
€3,229 EUR
$3,608 USD
View
B
Retailer 18
-
€3,840 EUR
$4,290 USD
View
Most Expensive
B
MOH London
D538187AC · Oct 29
€4,479 EUR
£3,940 GBP
View
18 more retailers have this diamond
Prices start from €2,096 EURSave up to €2,383 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
€2,096 EUR