Radiant|Natural|GIA

1.51ct I SI1 Radiant Natural Diamond

EX • I/SI1 • GIA 6552916146

Certificate GIA 6552916146

Diamond specifications and retailer prices

From €4,756 EUR

$5,334 USD

As of November 2, 2026

Save €3,862 EUR (45%) vs most expensive(unlock to see where)

13 retailers carry this diamond

Most expensive: €8,618 EUR at NZ Jewellers · As of October 30, 2026

View at NZ Jewellers

About this 1.51ct natural radiant diamond

This 1.51ct natural radiant sits in the one-and-a-half to two 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 6552916146. Listed at 13 retailers as of October 30, 2026, with prices from €4,756 to €8,618, a €3,862 spread on the same certified stone. NZ Jewellers lists it at €8,618. 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

1.51

Carat

Colour

SI1

Clarity

Excellent

Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

OriginNatural

Grading LabGIA

CertificateGIA 6552916146

Dimensions7.98 × 5.71 × 3.83 mm

L/W Ratio1.40

Girdle conditionPolished

Culet sizeNone

Key to symbols

Feather, Crystal, Needle

View GIA Report →View Loupe360 Video →

Top View

OriginNatural

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateGIA 6552916146

Side View

Caratlytics Score

How it works →

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 2

Current: €8,618 EUR|Low: €4,552 EUR|High: €9,000 EUR|Avg: €5,855 EUR|-4.2%

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

November 2, 2026

Retailer 4€4,756 EUR

Retailer 2€4,889 EUR

Retailer 3€4,917 EUR

Retailer 7€5,027 EUR

Retailer 10€5,152 EUR

Retailer 12€5,152 EUR

Retailer 13€5,152 EUR

Retailer 5€5,319 EUR

Retailer 6€5,629 EUR

Retailer 11€5,946 EUR

Retailer 9€6,331 EUR

Retailer 8€7,592 EUR

NZ Jewellers€8,618 EUR

26 data points across 13 retailers

13 retailers€4,756 EUR to €8,618 EUR

Cheapest Retailer

€4,756 EUR

$5,334 USD

Final sale: no returns

Retailer 2

€4,889 EUR

£4,318 GBP

View

Retailer 3

€4,917 EUR

$5,515 USD

View

Retailer 4

€5,027 EUR

£4,439 GBP

View

Retailer 5

€5,152 EUR

$5,779 USD

View

Retailer 6

€5,152 EUR

$5,779 USD

View

Retailer 7

€5,152 EUR

$5,779 USD

View

Retailer 8

€5,319 EUR

A$9,179 AUD

View

Price last confirmed 24 days ago

B+

Retailer 9

€5,629 EUR

View

B+

Retailer 10

€5,946 EUR

$6,669 USD

View

B+

Retailer 11

€6,331 EUR

ZAR 114,716 ZAR

View

Retailer 12

€7,592 EUR

£6,705 GBP

View

Most Expensive

NZ Jewellers

fa29a53a-a90a-4ea1-9896-b07372a6fe54 · Oct 30

€8,618 EUR

$9,666 USD

View

12 more retailers have this diamond

Prices start from €4,756 EURSave up to €3,862 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.

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