Round|Natural|GIA

1.51ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 7513772206

Certificate GIA 7513772206

Diamond specifications and retailer prices

From €4,251 EUR
HK$37,100 HKD
As of October 30, 2026
Save €4,573 EUR (52%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €10,415 EUR at NZ Jewellers · As of September 28, 2026
View at NZ Jewellers

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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7513772206. Listed at 19 retailers as of October 29, 2026, with a 108% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceMedium
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 7513772206
Dimensions7.32 × 7.27 × 4.59 mm
L/W Ratio1.01
Culet sizeNone
Top View
7.32 mm7.27 mm1.51 ctD / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceMedium
CertificateGIA 7513772206
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 63.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €6,510 EUR|Low: €4,251 EUR|High: €9,151 EUR|Avg: €5,918 EUR|-2.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 30, 2026
Retailer 13€4,251 EUR
Retailer 11€4,801 EUR
Retailer 5€5,046 EUR
Retailer 10€5,185 EUR
Retailer 7€5,196 EUR
Retailer 4€5,308 EUR
Retailer 12€5,353 EUR
Retailer 14€5,381 EUR
Retailer 9€5,499 EUR
Retailer 8€5,676 EUR
Retailer 6€6,107 EUR
Retailer 1€6,510 EUR
Retailer 3€7,473 EUR
Retailer 2€8,824 EUR

31 data points across 14 retailers

19 retailers€4,251 EUR to €8,824 EUR

A
Cheapest Retailer
-
€4,251 EUR
HK$37,100 HKD
A
Retailer 2
-
€4,801 EUR
₹510,787 INR
View
Retailer 3
-
€5,046 EUR
SGD 7,618 SGD
View
Price last confirmed 18 days ago
A
Retailer 4
-
€5,185 EUR
A$8,913 AUD
View
A
Retailer 5
-
€5,196 EUR
$5,805 USD
View
A
Retailer 6
-
€5,308 EUR
$5,930 USD
View
A
Retailer 7
-
€5,353 EUR
$5,980 USD
View
A
Retailer 8
-
€5,381 EUR
SGD 8,124 SGD
View
A
Retailer 9
-
€5,499 EUR
$6,143 USD
View
Final sale: no returns
A
Retailer 10
-
€5,676 EUR
£4,993 GBP
View
Retailer 11
-
€5,748 EUR
$6,422 USD
View
Price last confirmed 24 days ago
Retailer 12
-
€6,107 EUR
A$10,496 AUD
View
Price last confirmed 28 days ago
Retailer 13
-
€6,227 EUR
$6,957 USD
View
Price last confirmed 33 days ago
Retailer 14
-
€6,323 EUR
$7,064 USD
View
Price last confirmed 32 days ago
A
Retailer 15
-
€6,510 EUR
View
Retailer 16
-
€7,185 EUR
$8,027 USD
View
Price last confirmed 32 days ago
B+
Retailer 17
-
€7,473 EUR
ZAR 134,885 ZAR
View
B+
Retailer 18
-
€8,824 EUR
£7,762 GBP
View
Most Expensive
NZ Jewellers
6df0276c-c38a-45f7-9185-b9ea45a5031b · Sep 28
€10,415 EUR
$11,636 USD
View
Price last confirmed 34 days ago
18 more retailers have this diamond
Prices start from €4,251 EURSave up to €4,573 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
€4,251 EUR