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Round|Natural|GIA

1.51ct F SI2 Round Natural Diamond

GD • F/SI2 • GIA 6501387534

Certificate GIA 6501387534

Diamond specifications and retailer prices

From €2,715 EUR
HK$23,700 HKD
As of November 1, 2026
Save €3,534 EUR (57%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €6,250 EUR at NZ Jewellers · As of October 30, 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 F colour (colourless) and SI2 clarity (slightly-included), with a standard cut grade and certified by GIA 6501387534. Listed at 14 retailers as of October 30, 2026, with prices from €2,715 to €6,250, a €3,534 spread on the same certified stone. NZ Jewellers lists it at €6,250. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.51
Carat
F
Color
SI2
Clarity
Good
Cut

Specifications

CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle40°
Pavilion angle39.6°
OriginNatural
Grading LabGIA
CertificateGIA 6501387534
Dimensions7.00 × 6.94 × 4.62 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
7.00 mm6.94 mm1.51 ctF / SI2
OriginNatural
CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6501387534
Side View
Table 55.0%Crown 40°Girdle: THK-VTKPavilion 39.6°Culet: NoneDepth 66.6%

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: Nov 1
Current: €6,250 EUR|Low: €2,615 EUR|High: €6,557 EUR|Avg: €3,677 EUR|-4.7%
NZ Jewellers
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
Retailer 15
November 2, 2026
Retailer 10€2,715 EUR
Retailer 13€2,747 EUR
Retailer 3€2,815 EUR
Retailer 9€2,857 EUR
Retailer 11€2,885 EUR
Retailer 4€2,999 EUR
Retailer 5€3,249 EUR
Retailer 14€3,249 EUR
Retailer 15€3,374 EUR
Retailer 7€3,737 EUR
Retailer 12€3,750 EUR
Retailer 2€3,942 EUR
Retailer 6€4,097 EUR
Retailer 8€5,999 EUR
NZ Jewellers€6,250 EUR

37 data points across 15 retailers

14 retailers€2,715 EUR to €6,250 EUR

A
Cheapest Retailer
-
€2,715 EUR
HK$23,700 HKD
A
Retailer 2
-
€2,747 EUR
$3,069 USD
View
A
Retailer 3
-
€2,815 EUR
$3,145 USD
View
A
Retailer 4
-
€2,857 EUR
$3,192 USD
View
A
Retailer 5
-
€2,885 EUR
$3,223 USD
View
B+
Retailer 6
-
€2,999 EUR
$3,351 USD
View
Final sale: no returns
B+
Retailer 7
-
€3,249 EUR
$3,630 USD
View
B+
Retailer 8
-
€3,249 EUR
$3,630 USD
View
B+
Retailer 9
-
€3,374 EUR
$3,770 USD
View
B+
Retailer 10
-
€3,750 EUR
$4,189 USD
View
B+
Retailer 11
-
€3,942 EUR
View
Retailer 12
-
€4,097 EUR
$4,577 USD
View
Price last confirmed 10 days ago
B+
Retailer 13
-
€5,999 EUR
£5,277 GBP
View
Most Expensive
B+
NZ Jewellers
2152540f-a55c-4b61-ad3a-67354a5952d5 · Oct 30
€6,250 EUR
$6,982 USD
View
13 more retailers have this diamond
Prices start from €2,715 EURSave up to €3,534 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
€2,715 EUR