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Round|Natural|GIA

1.50ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 2121672455

Certificate GIA 2121672455

Diamond specifications and retailer prices

From €8,306 EUR
$9,245 USD
As of October 25, 2026
Save €7,742 EUR (48%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €16,048 EUR at Diamond Quarter · As of October 29, 2026
View at Diamond Quarter

About this 1.5ct natural round diamond

This 1.5ct natural round sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2121672455. Listed at 19 retailers as of October 25, 2026, with prices from €8,306 to €16,048, a €7,742 spread on the same certified stone. Diamond Quarter lists it at €16,048. 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

1.50
Carat
E
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 2121672455
Dimensions7.32 × 7.30 × 4.55 mm
L/W Ratio1.00
Culet sizeNone
Top View
7.32 mm7.30 mm1.50 ctE / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2121672455
Side View
Table 57.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 62.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 25
Current: €11,288 EUR|Low: €7,789 EUR|High: €14,774 EUR|Avg: €10,985 EUR|+4.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 29, 2026
Retailer 4€8,306 EUR
Retailer 5€9,347 EUR
Retailer 2€9,996 EUR
Retailer 1€11,288 EUR
Retailer 6€12,298 EUR
Retailer 3€14,676 EUR

41 data points across 6 retailers

19 retailers€8,306 EUR to €16,048 EUR

B+
Cheapest Retailer
-
€8,306 EUR
$9,245 USD
B+
Retailer 2
-
€8,511 EUR
$9,473 USD
View
B+
Retailer 3
-
€8,673 EUR
$9,653 USD
View
B+
Retailer 4
-
€8,932 EUR
CA$13,807 CAD
View
B
Retailer 5
-
€9,347 EUR
$10,403 USD
View
B
Retailer 6
-
€9,347 EUR
$10,403 USD
View
Final sale: no returns
B+
Retailer 7
-
€9,996 EUR
£8,760 GBP
View
B
Retailer 8
-
€10,126 EUR
$11,270 USD
View
B
Retailer 9
-
€10,282 EUR
$11,444 USD
View
B
Retailer 10
-
€10,797 EUR
$12,017 USD
View
B
Retailer 11
-
€10,934 EUR
$12,170 USD
View
B
Retailer 12
-
€10,934 EUR
$12,170 USD
View
B
Retailer 13
-
€11,288 EUR
View
B
Retailer 14
-
€11,294 EUR
$12,570 USD
View
B
Retailer 15
-
€11,684 EUR
$13,004 USD
View
B
Retailer 16
-
€12,298 EUR
$13,688 USD
View
B
Retailer 17
-
€14,676 EUR
£12,862 GBP
View
B
Retailer 18
-
€15,579 EUR
$17,339 USD
View
Most Expensive
B
Diamond Quarter
1.5SI2E2155C50DN · Oct 29
€16,048 EUR
£14,064 GBP
View
18 more retailers have this diamond
Prices start from €8,306 EURSave up to €7,742 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.

B+
1.50ct Round
€8,306 EUR