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Round|Natural|GIA

1.51ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 2556718809

Certificate GIA 2556718809

Diamond specifications and retailer prices

From €4,766 EUR
HK$41,600 HKD
As of October 30, 2026
Save €4,629 EUR (49%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €9,395 EUR at Wholesale Diamonds Direct · As of October 26, 2026
View at Wholesale Diamonds Direct

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 2556718809. Listed at 10 retailers as of October 26, 2026, with prices from €4,766 to €9,395, a €4,629 spread on the same certified stone. Wholesale Diamonds Direct lists it at €9,395. 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
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2556718809
Dimensions7.29 × 7.33 × 4.58 mm
L/W Ratio1.01
Top View
7.29 mm7.33 mm1.51 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2556718809
Side View
Table 57.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 62.6%

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: €5,110 EUR|Low: €4,766 EUR|High: €9,711 EUR|Avg: €6,083 EUR|-4.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Wholesale Diamonds Direct
October 31, 2026
Retailer 8€4,766 EUR
Retailer 2€4,848 EUR
Retailer 1€5,110 EUR
Retailer 7€5,520 EUR
Retailer 9€5,551 EUR
Retailer 3€5,675 EUR
Retailer 5€5,716 EUR
Retailer 6€6,671 EUR
Retailer 4€6,697 EUR
Wholesale Diamonds Direct€9,395 EUR

30 data points across 10 retailers

10 retailers€4,766 EUR to €9,395 EUR

A
Cheapest Retailer
-
€4,766 EUR
HK$41,600 HKD
A
Retailer 2
-
€4,848 EUR
₹515,847 INR
View
A
Retailer 3
-
€5,110 EUR
$5,709 USD
View
Final sale: no returns
A
Retailer 4
-
€5,520 EUR
SGD 8,334 SGD
View
Retailer 5
-
€5,551 EUR
SGD 8,380 SGD
View
Price last confirmed 16 days ago
A
Retailer 6
-
€5,675 EUR
$6,340 USD
View
A
Retailer 7
-
€5,716 EUR
$6,386 USD
View
A
Retailer 8
-
€6,671 EUR
£5,868 GBP
View
A
Retailer 9
-
€6,697 EUR
View
Most Expensive
B
Wholesale Diamonds Direct
436402900 · Oct 26
€9,395 EUR
$10,496 USD
View
9 more retailers have this diamond
Prices start from €4,766 EURSave up to €4,629 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
1.51ct Round
€4,766 EUR