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Radiant|Natural|GIA

1.51ct I SI2 Radiant Natural Diamond

ID • I/SI2 • GIA 5393568057

Certificate GIA 5393568057

Diamond specifications and retailer prices

From €3,275 EUR
HK$28,700 HKD
As of November 1, 2026
Save €4,426 EUR (57%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €7,701 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5393568057. Listed at 16 retailers as of October 30, 2026, with prices from €3,275 to €7,701, a €4,426 spread on the same certified stone. NZ Jewellers lists it at €7,701. 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
I
Color
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishVery Good
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5393568057
Dimensions7.41 × 5.65 × 3.88 mm
L/W Ratio1.31
Top View
7.41 mm5.65 mm1.51 ctI / SI2
OriginNatural
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 5393568057
Side View
Table 66.0%CrownGirdle: SLI-THKPavilionCulet: NoneDepth 68.8%

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: Nov 1
Current: €7,701 EUR|Low: €3,252 EUR|High: €7,701 EUR|Avg: €4,689 EUR
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 2, 2026
Retailer 13€3,275 EUR
Retailer 6€3,687 EUR
Retailer 9€3,855 EUR
Retailer 4€3,920 EUR
Retailer 3€4,080 EUR
Retailer 2€4,312 EUR
Retailer 11€4,396 EUR
Retailer 14€4,420 EUR
Retailer 15€4,420 EUR
Retailer 16€4,420 EUR
Retailer 7€4,476 EUR
Retailer 5€4,556 EUR
Retailer 10€5,001 EUR
Retailer 17€5,101 EUR
Retailer 8€5,379 EUR
Retailer 12€7,041 EUR
NZ Jewellers€7,701 EUR

26 data points across 17 retailers

16 retailers€3,275 EUR to €7,701 EUR

A
Cheapest Retailer
-
€3,275 EUR
HK$28,700 HKD
A
Retailer 2
-
€3,855 EUR
$4,324 USD
View
A
Retailer 3
-
€3,920 EUR
$4,397 USD
View
B+
Retailer 4
-
€4,080 EUR
$4,576 USD
View
Final sale: no returns
Retailer 5
-
€4,170 EUR
SGD 6,320 SGD
View
Price last confirmed 7 days ago
A
Retailer 6
-
€4,312 EUR
£3,808 GBP
View
A
Retailer 7
-
€4,396 EUR
£3,882 GBP
View
B+
Retailer 8
-
€4,420 EUR
$4,958 USD
View
A
Retailer 9
-
€4,420 EUR
$4,958 USD
View
A
Retailer 10
-
€4,420 EUR
$4,958 USD
View
B+
Retailer 11
-
€4,476 EUR
$5,020 USD
View
B+
Retailer 12
-
€4,556 EUR
$5,110 USD
View
B+
Retailer 13
-
€5,001 EUR
View
B+
Retailer 14
-
€5,101 EUR
$5,721 USD
View
B
Retailer 15
-
€7,041 EUR
£6,218 GBP
View
Most Expensive
B
NZ Jewellers
968484e3-63f5-41a0-b601-95c083e8afb6 · Oct 30
€7,701 EUR
$8,638 USD
View
15 more retailers have this diamond
Prices start from €3,275 EURSave up to €4,426 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
€3,275 EUR