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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 €2,705 EUR
HK$23,700 HKD
As of November 1, 2026
Save €3,520 EUR (57%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €6,225 EUR at NZ Jewellers · As of November 2, 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 November 1, 2026, with prices from €2,705 to €6,225, a €3,520 spread on the same certified stone. NZ Jewellers lists it at €6,225. 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
Colour
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: €6,225 EUR|Low: €2,604 EUR|High: €6,532 EUR|Avg: €3,662 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€2,705 EUR
Retailer 13€2,736 EUR
Retailer 3€2,804 EUR
Retailer 9€2,846 EUR
Retailer 11€2,874 EUR
Retailer 4€2,988 EUR
Retailer 5€3,236 EUR
Retailer 14€3,236 EUR
Retailer 15€3,361 EUR
Retailer 7€3,722 EUR
Retailer 12€3,735 EUR
Retailer 2€3,926 EUR
Retailer 6€4,081 EUR
Retailer 8€5,975 EUR
NZ Jewellers€6,225 EUR

37 data points across 15 retailers

14 retailers€2,705 EUR to €6,225 EUR

A
Cheapest Retailer
-
€2,705 EUR
HK$23,700 HKD
A
Retailer 2
-
€2,736 EUR
$3,069 USD
View
A
Retailer 3
-
€2,804 EUR
$3,145 USD
View
A
Retailer 4
-
€2,846 EUR
$3,192 USD
View
A
Retailer 5
-
€2,874 EUR
$3,223 USD
View
B+
Retailer 6
-
€2,988 EUR
$3,351 USD
View
Final sale: no returns
B+
Retailer 7
-
€3,236 EUR
$3,630 USD
View
B+
Retailer 8
-
€3,236 EUR
$3,630 USD
View
B+
Retailer 9
-
€3,361 EUR
$3,770 USD
View
B+
Retailer 10
-
€3,735 EUR
$4,189 USD
View
B+
Retailer 11
-
€3,926 EUR
View
Retailer 12
-
€4,081 EUR
$4,577 USD
View
Price last confirmed 10 days ago
B+
Retailer 13
-
€5,975 EUR
£5,277 GBP
View
Most Expensive
B+
NZ Jewellers
2152540f-a55c-4b61-ad3a-67354a5952d5 · Nov 2
€6,225 EUR
$6,982 USD
View
13 more retailers have this diamond
Prices start from €2,705 EURSave up to €3,520 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
€2,705 EUR