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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 €4,090 EUR
HK$35,700 HKD
As of October 30, 2026
Save €5,432 EUR (57%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €9,522 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 €4,090 to €9,522, a €5,432 spread on the same certified stone. NZ Jewellers lists it at €9,522. 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
Color
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: €9,522 EUR|Low: €3,930 EUR|High: €9,753 EUR|Avg: €5,704 EUR|-2.4%
NZ Jewellers
Retailer 2
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Retailer 11
Retailer 12
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Retailer 21
October 30, 2026
Retailer 5€4,090 EUR
Retailer 21€4,225 EUR
Retailer 3€4,404 EUR
Retailer 9€4,521 EUR
Retailer 19€4,535 EUR
Retailer 4€4,621 EUR
Retailer 2€4,662 EUR
Retailer 8€4,760 EUR
Retailer 15€4,842 EUR
Retailer 6€4,857 EUR
Retailer 7€4,869 EUR
Retailer 14€4,989 EUR
Retailer 13€5,126 EUR
Retailer 11€5,222 EUR
Retailer 17€5,395 EUR
Retailer 16€5,459 EUR
Retailer 20€6,210 EUR
Retailer 10€6,722 EUR
Retailer 18€8,433 EUR
Retailer 12€8,567 EUR
NZ Jewellers€9,522 EUR

15 data points across 21 retailers

19 retailers€4,090 EUR to €9,522 EUR

A
Cheapest Retailer
-
€4,090 EUR
HK$35,700 HKD
A
Retailer 2
-
€4,225 EUR
$4,720 USD
View
A
Retailer 3
-
€4,404 EUR
$4,920 USD
View
A
Retailer 4
-
€4,521 EUR
SGD 6,826 SGD
View
A
Retailer 5
-
€4,535 EUR
$5,066 USD
View
A
Retailer 6
-
€4,621 EUR
$5,163 USD
View
Retailer 7
-
€4,662 EUR
View
Price last confirmed 3 days ago
A
Retailer 8
-
€4,842 EUR
$5,410 USD
View
A
Retailer 9
-
€4,857 EUR
A$8,349 AUD
View
A
Retailer 10
-
€4,869 EUR
$5,440 USD
View
Retailer 11
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€4,989 EUR
$5,574 USD
View
Price last confirmed 14 days ago
A
Retailer 12
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€5,126 EUR
£4,509 GBP
View
A
Retailer 13
-
€5,395 EUR
£4,746 GBP
View
A
Retailer 14
-
€5,459 EUR
$6,099 USD
View
B+
Retailer 15
-
€6,210 EUR
View
B+
Retailer 16
-
€6,722 EUR
ZAR 121,331 ZAR
View
B+
Retailer 17
-
€8,433 EUR
£7,418 GBP
View
Retailer 18
-
€8,567 EUR
$9,571 USD
View
Price last confirmed 13 days ago
Most Expensive
B
NZ Jewellers
ee3d4bad-e84d-4bc9-bc88-51682b85e7d6 · Oct 27
€9,522 EUR
$10,638 USD
View
18 more retailers have this diamond
Prices start from €4,090 EURSave up to €5,432 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
€4,090 EUR