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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 €8,275 EUR
$9,245 USD
As of October 25, 2026
Save €7,713 EUR (48%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €15,988 EUR at Diamond Quarter · As of October 31, 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 €8,275 to €15,988, a €7,713 spread on the same certified stone. Diamond Quarter lists it at €15,988. 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
Color
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: €9,906 EUR|Low: €7,760 EUR|High: €15,520 EUR|Avg: €11,187 EUR|-1.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 6€8,275 EUR
Retailer 7€9,312 EUR
Retailer 10€9,312 EUR
Retailer 1€9,906 EUR
Retailer 2€10,088 EUR
Retailer 8€10,243 EUR
Retailer 4€11,245 EUR
Retailer 9€11,640 EUR
Retailer 3€12,252 EUR
Retailer 5€14,621 EUR
Retailer 11€15,520 EUR

40 data points across 11 retailers

19 retailers€8,275 EUR to €15,988 EUR

B+
Cheapest Retailer
-
€8,275 EUR
$9,245 USD
B+
Retailer 2
-
€8,479 EUR
$9,473 USD
View
B+
Retailer 3
-
€8,640 EUR
$9,653 USD
View
B+
Retailer 4
-
€8,898 EUR
CA$13,807 CAD
View
B
Retailer 5
-
€9,312 EUR
$10,403 USD
View
B
Retailer 6
-
€9,312 EUR
$10,403 USD
View
Final sale: no returns
B+
Retailer 7
-
€9,906 EUR
£8,714 GBP
View
B
Retailer 8
-
€10,088 EUR
$11,270 USD
View
B
Retailer 9
-
€10,243 EUR
$11,444 USD
View
B
Retailer 10
-
€10,756 EUR
$12,017 USD
View
B
Retailer 11
-
€10,893 EUR
$12,170 USD
View
B
Retailer 12
-
€10,893 EUR
$12,170 USD
View
B
Retailer 13
-
€11,245 EUR
View
B
Retailer 14
-
€11,251 EUR
$12,570 USD
View
B
Retailer 15
-
€11,640 EUR
$13,004 USD
View
Retailer 16
-
€12,252 EUR
$13,688 USD
View
Price last confirmed 9 days ago
B
Retailer 17
-
€14,621 EUR
£12,862 GBP
View
B
Retailer 18
-
€15,520 EUR
$17,339 USD
View
Most Expensive
B
Diamond Quarter
1.5SI2E2155C50DN · Oct 31
€15,988 EUR
£14,064 GBP
View
18 more retailers have this diamond
Prices start from €8,275 EURSave up to €7,713 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
€8,275 EUR