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Round|Natural|GIA

1.51ct G I1 Round Natural Diamond

EX • G/I1 • GIA 6512377769

Certificate GIA 6512377769

Diamond specifications and retailer prices

From €3,724 EUR
HK$32,500 HKD
As of October 31, 2026
Save €4,758 EUR (56%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €8,482 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 G colour (near-colourless) and I1 clarity (included), with a top-tier cut grade and certified by GIA 6512377769. Listed at 10 retailers as of October 30, 2026, with prices from €3,724 to €8,482, a €4,758 spread on the same certified stone. NZ Jewellers lists it at €8,482. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
G
Color
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6512377769
Dimensions7.30 × 7.25 × 4.57 mm
L/W Ratio1.01
Star length55%
Lower girdle75%
Top View
7.30 mm7.25 mm1.51 ctG / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6512377769
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.9%

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 31
Current: €8,482 EUR|Low: €705 EUR|High: €8,482 EUR|Avg: €5,169 EUR
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
November 1, 2026
Retailer 7€3,724 EUR
Retailer 8€4,341 EUR
Retailer 14€4,423 EUR
Retailer 10€4,542 EUR
Retailer 9€5,071 EUR
Retailer 13€5,071 EUR
Retailer 11€5,078 EUR
Retailer 4€5,379 EUR
Retailer 5€5,379 EUR
Retailer 6€5,475 EUR
Retailer 3€5,559 EUR
Retailer 2€5,714 EUR
Retailer 12€5,851 EUR
NZ Jewellers€8,482 EUR

24 data points across 14 retailers

10 retailers€3,724 EUR to €8,482 EUR

A
Cheapest Retailer
-
€3,724 EUR
HK$32,500 HKD
Retailer 2
-
€4,341 EUR
$4,850 USD
View
Price last confirmed 10 days ago
B+
Retailer 3
-
€4,423 EUR
$4,941 USD
View
B+
Retailer 4
-
€4,542 EUR
$5,074 USD
View
B
Retailer 5
-
€5,071 EUR
$5,665 USD
View
B
Retailer 6
-
€5,071 EUR
$5,665 USD
View
B
Retailer 7
-
€5,078 EUR
$5,673 USD
View
B+
Retailer 8
-
€5,714 EUR
View
B
Retailer 9
-
€5,851 EUR
$6,537 USD
View
Most Expensive
B
NZ Jewellers
ac7aa71d-1f65-4b99-a795-a1c712b0aa66 · Oct 30
€8,482 EUR
$9,476 USD
View
9 more retailers have this diamond
Prices start from €3,724 EURSave up to €4,758 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
€3,724 EUR