CaratHunter
Plans
Oval|Natural|GIA

1.51ct F SI2 Oval Natural Diamond

EX • F/SI2 • GIA 6455128223

Certificate GIA 6455128223

Diamond specifications and retailer prices

From $9,964 NZD
HK$43,800 HKD
As of November 1, 2026
Save $12,894 NZD (56%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $22,858 NZD at NZ Jewellers · As of November 2, 2026
View at NZ Jewellers

About this 1.51ct natural oval diamond

This 1.51ct natural oval sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6455128223. Listed at 17 retailers as of November 1, 2026, with prices from $9,964 to $22,858, a $12,894 spread on the same certified stone. NZ Jewellers lists it at $22,858. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.51
Carat
F
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6455128223
Dimensions8.76 × 6.24 × 4.03 mm
L/W Ratio1.40
Top View
8.76 mm6.24 mm1.51 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6455128223
Side View
Table 59.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 64.5%

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: $9,965 NZD|Low: $9,557 NZD|High: $19,276 NZD|Avg: $13,284 NZD|-1.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 6$9,964 NZD
Retailer 1$9,965 NZD
Retailer 5$11,400 NZD
Retailer 7$11,686 NZD
Retailer 8$12,613 NZD
Retailer 3$12,885 NZD
Retailer 9$13,877 NZD
Retailer 2$14,929 NZD
Retailer 4$19,046 NZD

36 data points across 9 retailers

17 retailers$9,964 NZD to $22,858 NZD

A
Cheapest Retailer
-
$9,964 NZD
HK$43,800 HKD
A
Retailer 2
-
$9,965 NZD
₹533,985 INR
View
Retailer 3
-
$11,374 NZD
SGD 8,648 SGD
View
Price last confirmed 18 days ago
A
Retailer 4
-
$11,400 NZD
$6,414 USD
View
B+
Retailer 5
-
$11,670 NZD
$6,566 USD
View
B+
Retailer 6
-
$11,686 NZD
$6,575 USD
View
B+
Retailer 7
-
$12,613 NZD
$7,097 USD
View
Final sale: no returns
B+
Retailer 8
-
$12,615 NZD
$7,098 USD
View
B+
Retailer 9
-
$12,885 NZD
£5,708 GBP
View
B+
Retailer 10
-
$13,666 NZD
$7,689 USD
View
B+
Retailer 11
-
$13,877 NZD
$7,808 USD
View
B+
Retailer 12
-
$13,958 NZD
$7,853 USD
View
B+
Retailer 13
-
$14,929 NZD
€8,000 EUR
View
B+
Retailer 14
-
$15,768 NZD
$8,872 USD
View
B
Retailer 15
-
$19,046 NZD
£8,438 GBP
View
B
Retailer 16
-
$21,139 NZD
$11,894 USD
View
Most Expensive
B
NZ Jewellers
e2e0bffa-2620-4c99-98d0-a40ac2736498 · Nov 2
$22,858 NZD
$12,861 USD
View
16 more retailers have this diamond
Prices start from $9,964 NZDSave up to $12,894 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.

A
1.51ct Oval
$9,964 NZD