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Oval|Natural|GIA

1.51ct J SI2 Oval Natural Diamond

ID • J/SI2 • GIA 6552732132

Certificate GIA 6552732132

Diamond specifications and retailer prices

From $8,820 NZD
$4,971 USD
As of November 1, 2026
Save $9,849 NZD (53%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $18,669 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 J 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 6552732132. Listed at 19 retailers as of October 30, 2026, with prices from $8,820 to $18,669, a $9,849 spread on the same certified stone. NZ Jewellers lists it at $18,669. 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
J
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.95°
OriginNatural
Grading LabGIA
CertificateGIA 6552732132
Dimensions9.30 × 6.21 × 3.95 mm
L/W Ratio1.50
Girdle conditionVery Thick
Key to symbols
Twinning Wisp, Cloud, Needle, Natural
Top View
9.30 mm6.21 mm1.51 ctJ / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552732132
Side View
Table 62.0%Crown 37.95°Girdle: MediumPavilionCulet: NoneDepth 63.6%

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 1
Current: $18,669 NZD|Low: $7,172 NZD|High: $18,669 NZD|Avg: $10,745 NZD|+33.7%
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
Retailer 20
November 2, 2026
Retailer 11$7,896 NZD
Retailer 19$8,820 NZD
Retailer 8$8,900 NZD
Retailer 12$9,045 NZD
Retailer 6$9,413 NZD
Retailer 17$9,986 NZD
Retailer 20$10,078 NZD
Retailer 3$10,114 NZD
Retailer 4$10,114 NZD
Retailer 18$10,114 NZD
Retailer 9$10,234 NZD
Retailer 14$10,708 NZD
Retailer 2$11,036 NZD
Retailer 5$11,414 NZD
Retailer 10$11,668 NZD
Retailer 13$12,193 NZD
Retailer 16$12,308 NZD
Retailer 7$16,339 NZD
Retailer 15$16,445 NZD
NZ Jewellers$18,669 NZD

32 data points across 20 retailers

19 retailers$8,820 NZD to $18,669 NZD

Retailer 1
-
$7,896 NZD
$4,450 USD
Price last confirmed 20 days ago
B+
Retailer 2
-
$8,820 NZD
$4,971 USD
View
B+
Retailer 3
-
$8,900 NZD
$5,016 USD
View
B+
Retailer 4
-
$9,413 NZD
$5,305 USD
View
B
Retailer 5
-
$9,986 NZD
$5,628 USD
View
B+
Retailer 6
-
$10,078 NZD
CA$7,889 CAD
View
B
Retailer 7
-
$10,114 NZD
$5,700 USD
View
B+
Retailer 8
-
$10,114 NZD
$5,700 USD
View
B+
Retailer 9
-
$10,114 NZD
$5,700 USD
View
B+
Retailer 10
-
$10,234 NZD
$5,768 USD
View
B+
Retailer 11
-
$10,708 NZD
£4,752 GBP
View
B
Retailer 12
-
$11,036 NZD
£4,898 GBP
View
B
Retailer 13
-
$11,077 NZD
$6,243 USD
View
B
Retailer 14
-
$11,414 NZD
$6,433 USD
View
B
Retailer 15
-
$11,668 NZD
$6,576 USD
View
B
Retailer 16
-
$12,193 NZD
€6,545 EUR
View
B
Retailer 17
-
$16,339 NZD
$9,209 USD
View
C
Retailer 18
-
$16,445 NZD
£7,298 GBP
View
Most Expensive
C
NZ Jewellers
8b9397df-d79b-43fa-a77f-79ff72ae40b1 · Oct 30
$18,669 NZD
$10,522 USD
View
18 more retailers have this diamond
Prices start from $8,820 NZDSave up to $9,849 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 Oval
$8,820 NZD