CaratHunter
Plans
Oval|Natural|GIA

1.51ct I SI2 Oval Natural Diamond

ID • I/SI2 • GIA 2526737022

Certificate GIA 2526737022

Diamond specifications and retailer prices

From $4,883 NZD
HK$21,500 HKD
As of November 1, 2026
Save $6,143 NZD (56%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $11,026 NZD at NZ Jewellers · As of October 30, 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2526737022. Listed at 16 retailers as of October 30, 2026, with prices from $4,883 to $11,026, a $6,143 spread on the same certified stone. NZ Jewellers lists it at $11,026. 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
I
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2526737022
Dimensions9.66 × 6.25 × 3.87 mm
L/W Ratio1.55
Top View
9.66 mm6.25 mm1.51 ctI / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2526737022
Side View
Table 64.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 61.9%

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: Nov 1
Current: $11,026 NZD|Low: $4,837 NZD|High: $11,267 NZD|Avg: $6,976 NZD|-2.1%
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
Retailer 15
November 1, 2026
Retailer 10$4,883 NZD
Retailer 7$5,031 NZD
Retailer 2$5,210 NZD
Retailer 8$6,174 NZD
Retailer 6$6,329 NZD
Retailer 14$6,329 NZD
Retailer 5$6,572 NZD
Retailer 13$6,587 NZD
Retailer 9$6,615 NZD
Retailer 15$6,725 NZD
Retailer 4$6,778 NZD
Retailer 3$7,303 NZD
Retailer 11$7,411 NZD
Retailer 12$10,640 NZD
NZ Jewellers$11,026 NZD

22 data points across 15 retailers

16 retailers$4,883 NZD to $11,026 NZD

A
Cheapest Retailer
-
$4,883 NZD
HK$21,500 HKD
A
Retailer 2
-
$5,031 NZD
SGD 3,832 SGD
View
A
Retailer 3
-
$5,210 NZD
₹279,662 INR
View
A
Retailer 4
-
$6,104 NZD
$3,440 USD
View
A
Retailer 5
-
$6,174 NZD
£2,740 GBP
View
A
Retailer 6
-
$6,329 NZD
$3,567 USD
View
A
Retailer 7
-
$6,329 NZD
$3,567 USD
View
A
Retailer 8
-
$6,572 NZD
$3,704 USD
View
A
Retailer 9
-
$6,587 NZD
$3,712 USD
View
A
Retailer 10
-
$6,615 NZD
£2,935 GBP
View
A
Retailer 11
-
$6,725 NZD
$3,790 USD
View
A
Retailer 12
-
$6,778 NZD
SGD 5,162 SGD
View
A
Retailer 13
-
$7,303 NZD
$4,116 USD
View
A
Retailer 14
-
$7,411 NZD
€3,978 EUR
View
B+
Retailer 15
-
$10,640 NZD
£4,722 GBP
View
Most Expensive
B+
NZ Jewellers
72db05aa-4e29-4f19-bbc2-f88ee99ad6d8 · Oct 30
$11,026 NZD
$6,214 USD
View
15 more retailers have this diamond
Prices start from $4,883 NZDSave up to $6,143 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
$4,883 NZD