Round|Natural|GIA

1.51ct G I1 Round Natural Diamond

VG • G/I1 • GIA 1428570967

Certificate GIA 1428570967

Diamond specifications and retailer prices

From €3,689 EUR
HK$32,200 HKD
As of November 1, 2026
Save €4,764 EUR (56%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €8,453 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 very-good cut grade and certified by GIA 1428570967. Listed at 8 retailers as of October 30, 2026, with prices from €3,689 to €8,453, a €4,764 spread on the same certified stone. NZ Jewellers lists it at €8,453. 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
G
Color
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle38°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1428570967
Dimensions7.20 × 7.14 × 4.61 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Needle, Natural
Top View
7.20 mm7.14 mm1.51 ctG / I1
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 1428570967
Side View
Table 57.0%Crown 38°Girdle: STK-THKPavilion 40.6°Culet: NoneDepth 64.2%

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: Nov 1
Current: €8,453 EUR|Low: €3,655 EUR|High: €8,453 EUR|Avg: €5,372 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 4€3,689 EUR
Retailer 3€3,695 EUR
Retailer 5€5,055 EUR
Retailer 6€5,055 EUR
Retailer 8€5,055 EUR
Retailer 2€5,695 EUR
Retailer 7€5,832 EUR
NZ Jewellers€8,453 EUR

45 data points across 8 retailers

8 retailers€3,689 EUR to €8,453 EUR

B+
Cheapest Retailer
-
€3,689 EUR
HK$32,200 HKD
A
Retailer 2
-
€3,695 EUR
₹393,130 INR
View
B
Retailer 3
-
€5,055 EUR
$5,647 USD
View
B
Retailer 4
-
€5,055 EUR
$5,647 USD
View
B
Retailer 5
-
€5,055 EUR
$5,647 USD
View
B
Retailer 6
-
€5,695 EUR
View
B
Retailer 7
-
€5,832 EUR
$6,515 USD
View
Most Expensive
C
NZ Jewellers
f8b5f58a-e5eb-4034-8318-e240aec378b4 · Oct 30
€8,453 EUR
$9,444 USD
View
7 more retailers have this diamond
Prices start from €3,689 EURSave up to €4,764 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
€3,689 EUR