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Round|Natural|GIA

1.50ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 6451465789

Certificate GIA 6451465789

Diamond specifications and retailer prices

From €7,170 EUR
$8,010 USD
As of October 25, 2026
Save €7,870 EUR (52%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €15,040 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 D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6451465789. Listed at 16 retailers as of October 25, 2026, with prices from €7,170 to €15,040, a €7,870 spread on the same certified stone. Diamond Quarter lists it at €15,040. 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
D
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6451465789
Dimensions7.37 × 7.33 × 4.54 mm
L/W Ratio1.01
Star length55%
Lower girdle80%
Top View
7.37 mm7.33 mm1.50 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6451465789
Side View
Table 56.0%Crown 35.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.8%

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: Oct 25
Current: €8,474 EUR|Low: €6,505 EUR|High: €13,008 EUR|Avg: €9,432 EUR|+0.0%
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€7,170 EUR
Retailer 2€7,805 EUR
Retailer 7€7,805 EUR
Retailer 10€8,456 EUR
Retailer 1€8,474 EUR
Retailer 8€8,586 EUR
Retailer 4€9,741 EUR
Retailer 11€9,756 EUR
Retailer 3€10,273 EUR
Retailer 5€12,255 EUR
Retailer 9€13,008 EUR

42 data points across 11 retailers

16 retailers€7,170 EUR to €15,040 EUR

A
Cheapest Retailer
-
€7,170 EUR
$8,010 USD
A
Retailer 2
-
€7,308 EUR
$8,164 USD
View
B+
Retailer 3
-
€7,805 EUR
$8,720 USD
View
B+
Retailer 4
-
€7,805 EUR
$8,720 USD
View
Final sale: no returns
B+
Retailer 5
-
€8,456 EUR
$9,447 USD
View
B+
Retailer 6
-
€8,474 EUR
£7,454 GBP
View
B+
Retailer 7
-
€8,586 EUR
$9,592 USD
View
B+
Retailer 8
-
€9,219 EUR
$10,300 USD
View
B+
Retailer 9
-
€9,219 EUR
$10,300 USD
View
B+
Retailer 10
-
€9,524 EUR
$10,640 USD
View
B+
Retailer 11
-
€9,741 EUR
View
B+
Retailer 12
-
€9,756 EUR
$10,900 USD
View
Retailer 13
-
€10,273 EUR
$11,477 USD
View
Price last confirmed 8 days ago
B
Retailer 14
-
€12,255 EUR
£10,781 GBP
View
B
Retailer 15
-
€13,008 EUR
$14,533 USD
View
Most Expensive
B
Diamond Quarter
1.5SI2D648989CAN · Oct 29
€15,040 EUR
£13,230 GBP
View
15 more retailers have this diamond
Prices start from €7,170 EURSave up to €7,870 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
1.50ct Round
€7,170 EUR