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Radiant|Natural|GIA

5.06ct I SI1 Radiant Natural Diamond

ID • I/SI1 • GIA 1555207942

Certificate GIA 1555207942

Diamond specifications and retailer prices

From €75,150 EUR
$83,958 USD
As of November 1, 2026
Save €54,362 EUR (42%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €129,512 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 5.06ct natural radiant diamond

This 5.06ct natural radiant sits in the over five carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1555207942. Listed at 15 retailers as of November 1, 2026, with prices from €75,150 to €129,512, a €54,362 spread on the same certified stone. MOH London lists it at €129,512. 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

5.06
Carat
I
Color
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1555207942
Dimensions11.65 × 8.96 × 5.79 mm
L/W Ratio1.30
Culet sizeNone
Top View
11.65 mm8.96 mm5.06 ctI / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1555207942
Side View
Table 71.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 64.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €129,512 EUR|Low: €72,911 EUR|High: €131,071 EUR|Avg: €87,943 EUR|-0.1%
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
Retailer 14
Retailer 15
Retailer 16
November 1, 2026
Retailer 4€72,911 EUR
Retailer 7€75,150 EUR
Retailer 8€76,906 EUR
Retailer 11€77,303 EUR
Retailer 16€80,124 EUR
Retailer 13€82,927 EUR
Retailer 9€83,133 EUR
Retailer 5€83,618 EUR
Retailer 12€86,382 EUR
Retailer 14€86,382 EUR
Retailer 6€88,729 EUR
Retailer 15€89,837 EUR
Retailer 3€93,292 EUR
Retailer 2€100,337 EUR
Retailer 10€100,620 EUR
MOH London€129,512 EUR

33 data points across 16 retailers

15 retailers€75,150 EUR to €129,512 EUR

B+
Cheapest Retailer
-
€75,150 EUR
$83,958 USD
Retailer 2
-
€77,303 EUR
A$132,866 AUD
View
Price last confirmed 28 days ago
B+
Retailer 3
-
€80,124 EUR
$89,515 USD
View
Retailer 4
-
€82,927 EUR
$92,646 USD
View
Price last confirmed 7 days ago
B+
Retailer 5
-
€83,133 EUR
£73,131 GBP
View
B+
Retailer 6
-
€83,618 EUR
$93,418 USD
View
B+
Retailer 7
-
€86,382 EUR
$96,506 USD
View
B+
Retailer 8
-
€86,382 EUR
$96,506 USD
View
B+
Retailer 9
-
€88,729 EUR
$99,128 USD
View
B+
Retailer 10
-
€89,837 EUR
$100,366 USD
View
Retailer 11
-
€93,292 EUR
$104,226 USD
View
Price last confirmed 56 days ago
B
Retailer 12
-
€93,292 EUR
$104,226 USD
View
B+
Retailer 13
-
€100,337 EUR
ZAR 1,810,935 ZAR
View
B+
Retailer 14
-
€100,620 EUR
View
Most Expensive
B
MOH London
F896DF27D · Nov 1
€129,512 EUR
£113,930 GBP
View
14 more retailers have this diamond
Prices start from €75,150 EURSave up to €54,362 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.

B+
5.06ct Radiant
€75,150 EUR