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Round|Natural|GIA

1.51ct F I1 Round Natural Diamond

EX • F/I1 • GIA 1559183875

Certificate GIA 1559183875

Diamond specifications and retailer prices

From $9,735 NZD
$5,477 USD
As of November 2, 2026
Save $3,054 NZD (24%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $17,205 NZD at Wholesale Diamonds Direct · As of October 26, 2026
View at Wholesale Diamonds Direct

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 top-tier cut grade and certified by GIA 1559183875. Listed at 8 retailers as of November 1, 2026, with a 31% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
F
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1559183875
Dimensions7.28 × 7.31 × 4.58 mm
L/W Ratio1.00
Culet sizeNone
Top View
7.28 mm7.31 mm1.51 ctF / I1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 1559183875
Side View
Table 56.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 62.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $12,789 NZD|Low: $5,126 NZD|High: $17,205 NZD|Avg: $10,254 NZD|+7.4%
Retailer 1
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
Wholesale Diamonds Direct
November 1, 2026
Retailer 10$5,126 NZD
Retailer 5$6,213 NZD
Retailer 6$6,274 NZD
Retailer 2$8,088 NZD
Retailer 3$9,158 NZD
Retailer 8$9,735 NZD
Retailer 7$10,166 NZD
Retailer 11$10,717 NZD
Retailer 4$10,804 NZD
Retailer 9$11,339 NZD
Retailer 12$11,979 NZD
Retailer 14$11,979 NZD
Retailer 13$12,388 NZD
Retailer 1$12,789 NZD
Wholesale Diamonds Direct$17,205 NZD

12 data points across 15 retailers

8 retailers$9,735 NZD to $12,789 NZD

B+
Cheapest Retailer
-
$9,735 NZD
$5,477 USD
B+
Retailer 2
-
$10,166 NZD
$5,720 USD
View
B+
Retailer 3
-
$11,339 NZD
$6,380 USD
View
B
Retailer 4
-
$11,979 NZD
$6,740 USD
View
B
Retailer 5
-
$11,979 NZD
$6,740 USD
View
B
Retailer 6
-
$12,388 NZD
$6,970 USD
View
B
Retailer 7
-
$12,789 NZD
€6,853 EUR
View
Most Expensive
Wholesale Diamonds Direct
493092807 · Oct 26
$17,205 NZD
$9,680 USD
View
Price last confirmed 7 days ago
7 more retailers have this diamond
Prices start from $9,735 NZDSave up to $3,054 NZD

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
$9,735 NZD