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Radiant|Natural|GIA

1.51ct G SI1 Radiant Natural Diamond

ID • G/SI1 • GIA 5566500832

Certificate GIA 5566500832

Diamond specifications and retailer prices

From €4,074 EUR
HK$35,700 HKD
As of October 30, 2026
Save €5,410 EUR (57%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €9,485 EUR at NZ Jewellers · As of October 27, 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 G 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 5566500832. Listed at 19 retailers as of October 27, 2026, with prices from €4,074 to €9,485, a €5,410 spread on the same certified stone. NZ Jewellers lists it at €9,485. 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
G
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5566500832
Dimensions7.56 × 5.59 × 3.90 mm
L/W Ratio1.35
Girdle conditionPolished
Top View
7.56 mm5.59 mm1.51 ctG / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5566500832
Side View
Table 65.0%CrownGirdle: ThickPavilionCulet: NoneDepth 69.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €9,485 EUR|Low: €3,914 EUR|High: €9,715 EUR|Avg: €5,681 EUR|-2.4%
NZ Jewellers
Retailer 2
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Retailer 11
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Retailer 21
October 30, 2026
Retailer 5€4,074 EUR
Retailer 21€4,208 EUR
Retailer 3€4,387 EUR
Retailer 9€4,504 EUR
Retailer 19€4,517 EUR
Retailer 4€4,603 EUR
Retailer 2€4,644 EUR
Retailer 8€4,741 EUR
Retailer 15€4,823 EUR
Retailer 6€4,838 EUR
Retailer 7€4,850 EUR
Retailer 14€4,970 EUR
Retailer 13€5,106 EUR
Retailer 11€5,201 EUR
Retailer 17€5,374 EUR
Retailer 16€5,438 EUR
Retailer 20€6,186 EUR
Retailer 10€6,696 EUR
Retailer 18€8,399 EUR
Retailer 12€8,533 EUR
NZ Jewellers€9,485 EUR

15 data points across 21 retailers

19 retailers€4,074 EUR to €9,485 EUR

A
Cheapest Retailer
-
€4,074 EUR
HK$35,700 HKD
A
Retailer 2
-
€4,208 EUR
$4,720 USD
View
A
Retailer 3
-
€4,387 EUR
$4,920 USD
View
A
Retailer 4
-
€4,504 EUR
SGD 6,826 SGD
View
A
Retailer 5
-
€4,517 EUR
$5,066 USD
View
A
Retailer 6
-
€4,603 EUR
$5,163 USD
View
Retailer 7
-
€4,644 EUR
View
Price last confirmed 3 days ago
A
Retailer 8
-
€4,823 EUR
$5,410 USD
View
A
Retailer 9
-
€4,838 EUR
A$8,349 AUD
View
A
Retailer 10
-
€4,850 EUR
$5,440 USD
View
Retailer 11
-
€4,970 EUR
$5,574 USD
View
Price last confirmed 15 days ago
A
Retailer 12
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€5,106 EUR
£4,509 GBP
View
A
Retailer 13
-
€5,374 EUR
£4,746 GBP
View
A
Retailer 14
-
€5,438 EUR
$6,099 USD
View
B+
Retailer 15
-
€6,186 EUR
View
B+
Retailer 16
-
€6,696 EUR
ZAR 121,331 ZAR
View
B+
Retailer 17
-
€8,399 EUR
£7,418 GBP
View
Retailer 18
-
€8,533 EUR
$9,571 USD
View
Price last confirmed 13 days ago
Most Expensive
B
NZ Jewellers
ee3d4bad-e84d-4bc9-bc88-51682b85e7d6 · Oct 27
€9,485 EUR
$10,638 USD
View
18 more retailers have this diamond
Prices start from €4,074 EURSave up to €5,410 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
1.51ct Radiant
€4,074 EUR