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Oval|Natural|GIA

1.51ct K SI2 Oval Natural Diamond

VG • K/SI2 • GIA 6545992502

Certificate GIA 6545992502

Diamond specifications and retailer prices

From $3,094 NZD
As of November 6, 2026
Save $5,614 NZD (64%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $9,344 NZD at NZ Jewellers · As of October 14, 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 SI2 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 6545992502. Listed at 19 retailers as of November 5, 2026, with a 181% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
SI2
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6545992502
Dimensions9.15 × 6.15 × 3.84 mm
L/W Ratio1.49
Top View
9.15 mm6.15 mm1.51 ctK / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6545992502
Side View
Table 58.0%CrownGirdle: Very ThickPavilionCulet: NDepth 62.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $8,707 NZD|Low: $3,094 NZD|High: $9,344 NZD|Avg: $4,980 NZD|-6.8%
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
November 6, 2026
Retailer 3$3,094 NZD
Retailer 14$3,763 NZD
Retailer 5$3,862 NZD
Retailer 8$4,095 NZD
Retailer 2$4,149 NZD
Retailer 12$4,165 NZD
Retailer 10$4,304 NZD
Retailer 6$4,317 NZD
Retailer 16$4,356 NZD
Retailer 9$4,416 NZD
Retailer 13$4,526 NZD
Retailer 7$4,687 NZD
Retailer 4$4,806 NZD
Retailer 11$5,170 NZD
Retailer 15$7,277 NZD
NZ Jewellers$8,707 NZD

25 data points across 16 retailers

19 retailers$3,094 NZD to $8,707 NZD

A
Cheapest Retailer
-
$3,094 NZD
A
Retailer 2
-
$3,763 NZD
View
A
Retailer 3
-
$3,862 NZD
View
B+
Retailer 4
-
$4,095 NZD
View
A
Retailer 5
-
$4,149 NZD
View
A
Retailer 6
-
$4,165 NZD
View
B+
Retailer 7
-
$4,304 NZD
View
Retailer 8
-
$4,317 NZD
View
Price last confirmed 8 days ago
A
Retailer 9
-
$4,356 NZD
View
A
Retailer 10
-
$4,416 NZD
View
Retailer 11
-
$4,470 NZD
View
Price last confirmed 23 days ago
A
Retailer 12
-
$4,526 NZD
View
B+
Retailer 13
-
$4,687 NZD
View
A
Retailer 14
-
$4,806 NZD
View
B+
Retailer 15
-
$5,170 NZD
View
Retailer 16
-
$6,036 NZD
View
Price last confirmed 66 days ago
B+
Retailer 17
-
$7,277 NZD
View
B
Retailer 18
-
$8,707 NZD
View
Most Expensive
NZ Jewellers
1868feef-2f90-41e8-bedb-bb8eeaf51541 · Oct 14
$9,344 NZD
$5,180 USD
View
Price last confirmed 23 days ago
18 more retailers have this diamond
Prices start from $3,094 NZDSave up to $5,614 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
$3,094 NZD