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1.51ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 6392613089

Certificate GIA 6392613089

Diamond specifications and retailer prices

From €9,452 EUR
$10,560 USD
As of October 25, 2026
Save €9,112 EUR (49%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €18,564 EUR at Diamond Quarter · As of October 31, 2026
View at Diamond Quarter

About this 1.51ct natural round diamond

This 1.51ct 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 6392613089. Listed at 18 retailers as of October 25, 2026, with prices from €9,452 to €18,564, a €9,112 spread on the same certified stone. Diamond Quarter lists it at €18,564. 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
D
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6392613089
Dimensions7.34 × 7.29 × 4.55 mm
L/W Ratio1.01
Top View
7.34 mm7.29 mm1.51 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6392613089
Side View
Table 59.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 62.2%

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: €11,492 EUR|Low: €8,913 EUR|High: €17,828 EUR|Avg: €12,723 EUR|-0.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 5€9,452 EUR
Retailer 6€10,696 EUR
Retailer 8€10,696 EUR
Retailer 1€11,492 EUR
Retailer 2€11,588 EUR
Retailer 7€11,766 EUR
Retailer 3€12,946 EUR
Retailer 9€13,371 EUR
Retailer 4€16,795 EUR
Retailer 10€17,828 EUR

41 data points across 10 retailers

18 retailers€9,452 EUR to €18,564 EUR

B+
Cheapest Retailer
-
€9,452 EUR
$10,560 USD
B+
Retailer 2
-
€9,759 EUR
$10,903 USD
View
B+
Retailer 3
-
€9,924 EUR
$11,087 USD
View
B+
Retailer 4
-
€10,073 EUR
CA$15,630 CAD
View
B+
Retailer 5
-
€10,696 EUR
$11,950 USD
View
B+
Retailer 6
-
€10,696 EUR
$11,950 USD
View
Final sale: no returns
B+
Retailer 7
-
€11,492 EUR
£10,109 GBP
View
B
Retailer 8
-
€11,588 EUR
$12,946 USD
View
B
Retailer 9
-
€11,766 EUR
$13,145 USD
View
B
Retailer 10
-
€12,370 EUR
$13,820 USD
View
B
Retailer 11
-
€12,370 EUR
$13,820 USD
View
B
Retailer 12
-
€12,384 EUR
$13,835 USD
View
B
Retailer 13
-
€12,782 EUR
$14,280 USD
View
B
Retailer 14
-
€12,946 EUR
View
B
Retailer 15
-
€13,371 EUR
$14,938 USD
View
B
Retailer 16
-
€16,795 EUR
£14,774 GBP
View
B
Retailer 17
-
€17,828 EUR
$19,917 USD
View
Most Expensive
B
Diamond Quarter
1.51SI2D638976D1N · Oct 31
€18,564 EUR
£16,331 GBP
View
17 more retailers have this diamond
Prices start from €9,452 EURSave up to €9,112 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+
1.51ct Round
€9,452 EUR