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Round|Natural|GIA

1.33ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 1509484256

Certificate GIA 1509484256

Diamond specifications and retailer prices

From €3,113 EUR
$3,478 USD
As of October 30, 2026
Save €4,214 EUR (58%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €7,327 EUR at Diamond Quarter · As of October 31, 2026
View at Diamond Quarter

About this 1.33ct natural round diamond

This 1.33ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1509484256. Listed at 11 retailers as of October 30, 2026, with prices from €3,113 to €7,327, a €4,214 spread on the same certified stone. Diamond Quarter lists it at €7,327. 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

1.33
Carat
H
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 1509484256
Dimensions7.04 × 7.00 × 4.37 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Cloud, Crystal
Top View
7.04 mm7.00 mm1.33 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1509484256
Side View
Table 58.0%Crown 34°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 62.3%

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: Oct 30
Current: €4,042 EUR|Low: €3,106 EUR|High: €5,500 EUR|Avg: €4,008 EUR|+3.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 5€3,106 EUR
Retailer 8€3,113 EUR
Retailer 6€3,670 EUR
Retailer 3€3,970 EUR
Retailer 2€3,992 EUR
Retailer 9€3,992 EUR
Retailer 1€4,042 EUR
Retailer 10€4,126 EUR
Retailer 4€4,399 EUR
Retailer 7€5,500 EUR

43 data points across 10 retailers

11 retailers€3,113 EUR to €7,327 EUR

Retailer 1
-
€3,106 EUR
$3,470 USD
Price last confirmed 11 days ago
A
Retailer 2
-
€3,113 EUR
$3,478 USD
View
B+
Retailer 3
-
€3,670 EUR
A$6,308 AUD
View
B+
Retailer 4
-
€3,970 EUR
£3,492 GBP
View
B+
Retailer 5
-
€3,992 EUR
$4,460 USD
View
B+
Retailer 6
-
€3,992 EUR
$4,460 USD
View
B+
Retailer 7
-
€4,042 EUR
View
B+
Retailer 8
-
€4,126 EUR
$4,610 USD
View
B
Retailer 9
-
€4,399 EUR
£3,870 GBP
View
B
Retailer 10
-
€5,500 EUR
$6,145 USD
View
Most Expensive
B
Diamond Quarter
1.33SI2H1556F092N · Oct 31
€7,327 EUR
£6,446 GBP
View
10 more retailers have this diamond
Prices start from €3,113 EURSave up to €4,214 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
1.33ct Round
€3,113 EUR