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Oval|Natural|GIA

1.51ct K SI1 Oval Natural Diamond

VG • K/SI1 • GIA 5543492720

Certificate GIA 5543492720

Diamond specifications and retailer prices

From $4,218 NZD
As of November 6, 2026
Save $5,383 NZD (56%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $9,600 NZD at NZ Jewellers · As of November 5, 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 5543492720. Listed at 14 retailers as of November 5, 2026, with prices from $4,218 to $9,600, a $5,383 spread on the same certified stone. NZ Jewellers lists it at $9,600. 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
K
Colour
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5543492720
Dimensions9.21 × 6.37 × 3.99 mm
L/W Ratio1.45
Top View
9.21 mm6.37 mm1.51 ctK / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5543492720
Side View
Table 59.0%CrownGirdle: ThickPavilionCulet: NDepth 62.7%

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 6
Current: $9,600 NZD|Low: $3,254 NZD|High: $9,600 NZD|Avg: $4,836 NZD
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 6, 2026
Retailer 10$3,254 NZD
Retailer 15$4,218 NZD
Retailer 7$4,239 NZD
Retailer 9$4,250 NZD
Retailer 11$4,369 NZD
Retailer 3$4,470 NZD
Retailer 19$4,907 NZD
Retailer 17$4,993 NZD
Retailer 13$5,053 NZD
Retailer 5$5,184 NZD
Retailer 8$5,255 NZD
Retailer 2$5,345 NZD
Retailer 12$5,630 NZD
Retailer 18$5,695 NZD
Retailer 14$5,760 NZD
Retailer 6$6,047 NZD
Retailer 16$6,725 NZD
Retailer 4$7,385 NZD
NZ Jewellers$9,600 NZD

11 data points across 19 retailers

14 retailers$4,218 NZD to $9,600 NZD

A
Cheapest Retailer
-
$4,218 NZD
Retailer 2
-
$4,239 NZD
View
Price last confirmed 16 days ago
B+
Retailer 3
-
$4,470 NZD
View
B+
Retailer 4
-
$4,907 NZD
View
B+
Retailer 5
-
$4,993 NZD
View
B+
Retailer 6
-
$5,053 NZD
View
B+
Retailer 7
-
$5,184 NZD
View
B+
Retailer 8
-
$5,345 NZD
View
B+
Retailer 9
-
$5,630 NZD
View
B+
Retailer 10
-
$5,695 NZD
View
B+
Retailer 11
-
$5,760 NZD
View
B+
Retailer 12
-
$6,725 NZD
View
B+
Retailer 13
-
$7,385 NZD
View
Most Expensive
B
NZ Jewellers
0c405d4e-f861-4ade-b40e-77f1de424cea · Nov 5
$9,600 NZD
$5,322 USD
View
13 more retailers have this diamond
Prices start from $4,218 NZDSave up to $5,383 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
$4,218 NZD