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Round|Natural|GIA

1.51ct F I1 Round Natural Diamond

VG • F/I1 • GIA 6234253695

Certificate GIA 6234253695

Diamond specifications and retailer prices

From $9,833 AUD
$6,891 USD
As of November 1, 2026
Save $11,171 AUD (53%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $21,004 AUD 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 I1 clarity (included), with a very-good cut grade and certified by GIA 6234253695. Listed at 7 retailers as of November 1, 2026, with prices from $9,833 to $21,004, a $11,171 spread on the same certified stone. NZ Jewellers lists it at $21,004. 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
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6234253695
Dimensions7.11 × 7.19 × 4.59 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
7.11 mm7.19 mm1.51 ctF / I1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6234253695
Side View
Table 58.0%Crown 38°Girdle: STK-THKPavilion 40.6°Culet: NoneDepth 64.2%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $21,004 AUD|Low: $9,817 AUD|High: $21,004 AUD|Avg: $13,004 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 8$9,817 AUD
Retailer 3$9,833 AUD
Retailer 7$10,502 AUD
Retailer 5$11,377 AUD
Retailer 4$11,552 AUD
Retailer 6$13,127 AUD
Retailer 2$13,671 AUD
Retailer 9$14,970 AUD
NZ Jewellers$21,004 AUD

24 data points across 9 retailers

7 retailers$9,833 AUD to $21,004 AUD

B
Cheapest Retailer
-
$9,833 AUD
$6,891 USD
B
Retailer 2
-
$10,502 AUD
$7,360 USD
View
B
Retailer 3
-
$11,377 AUD
$7,973 USD
View
B
Retailer 4
-
$11,552 AUD
$8,096 USD
View
B
Retailer 5
-
$13,127 AUD
$9,200 USD
View
B
Retailer 6
-
$13,671 AUD
€9,125 EUR
View
Most Expensive
C
NZ Jewellers
bc0aa28b-880c-4bec-8fcf-15d87704cfcf · Nov 2
$21,004 AUD
$14,720 USD
View
6 more retailers have this diamond
Prices start from $9,833 AUDSave up to $11,171 AUD

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.

B
1.51ct Round
$9,833 AUD