CaratHunter
Plans
Oval|Natural|GIA

1.51ct K SI2 Oval Natural Diamond

EX • K/SI2 • GIA 6532948762

Certificate GIA 6532948762

Diamond specifications and retailer prices

From $6,124 NZD
As of November 5, 2026
Save $9,247 NZD (60%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $15,371 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6532948762. Listed at 13 retailers as of November 5, 2026, with prices from $6,124 to $15,371, a $9,247 spread on the same certified stone. NZ Jewellers lists it at $15,371. 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
K
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle39.6°
OriginNatural
Grading LabGIA
CertificateGIA 6532948762
Dimensions9.15 × 6.50 × 3.90 mm
L/W Ratio1.41
Top View
9.15 mm6.50 mm1.51 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6532948762
Side View
Table 62.0%CrownGirdle: STK-THKPavilion 39.6°Culet: NoneDepth 60.0%

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 5
Current: $15,371 NZD|Low: $6,090 NZD|High: $15,371 NZD|Avg: $9,680 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 5$6,124 NZD
Retailer 3$7,181 NZD
Retailer 7$8,327 NZD
Retailer 8$8,327 NZD
Retailer 11$8,327 NZD
Retailer 9$8,769 NZD
Retailer 4$9,050 NZD
Retailer 10$9,608 NZD
Retailer 2$9,784 NZD
Retailer 6$14,599 NZD
NZ Jewellers$15,371 NZD

42 data points across 11 retailers

13 retailers$6,124 NZD to $15,371 NZD

A
Cheapest Retailer
-
$6,124 NZD
B+
Retailer 2
-
$7,181 NZD
View
B+
Retailer 3
-
$7,261 NZD
View
B+
Retailer 4
-
$7,750 NZD
View
B+
Retailer 5
-
$8,327 NZD
View
Retailer 6
-
$8,327 NZD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$8,327 NZD
View
B+
Retailer 8
-
$8,769 NZD
View
B+
Retailer 9
-
$9,050 NZD
View
B
Retailer 10
-
$9,608 NZD
View
B
Retailer 11
-
$9,784 NZD
View
B
Retailer 12
-
$14,599 NZD
View
Most Expensive
B
NZ Jewellers
8fa0dd12-90e9-43ef-9559-2aea23fe6d66 · Nov 5
$15,371 NZD
$8,521 USD
View
12 more retailers have this diamond
Prices start from $6,124 NZDSave up to $9,247 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
$6,124 NZD