Oval|Natural|GIA

1.51ct G SI1 Oval Natural Diamond

ID • G/SI1 • GIA 2534617225

Certificate GIA 2534617225

Diamond specifications and retailer prices

From $11,911 NZD

$6,702 USD

As of October 28, 2026

Save $13,531 NZD (53%) vs most expensive(unlock to see where)

24 retailers carry this diamond

Most expensive: $25,442 NZD at NZ Jewellers · As of October 27, 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2534617225. Listed at 24 retailers as of October 27, 2026, with prices from $11,911 to $25,442, a $13,531 spread on the same certified stone. NZ Jewellers lists it at $25,442. 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

Colour

SI1

Clarity

Ideal

Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal

PolishExcellent

SymmetryVery Good

FluorescenceNone

Crown angle37.1°

OriginNatural

Grading LabGIA

CertificateGIA 2534617225

Dimensions9.46 × 6.21 × 3.95 mm

L/W Ratio1.52

Girdle conditionThick

Key to symbols

Crystal, Needle, Pinpoint

View GIA Report →View Loupe360 Video →

Top View

OriginNatural

CutIdeal

PolishExcellent

SymmetryVery Good

FluorescenceNone

CertificateGIA 2534617225

Side View

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: Oct 28

Current: $25,442 NZD|Low: $11,410 NZD|High: $25,442 NZD|Avg: $15,609 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

Retailer 20

Retailer 21

Retailer 22

Retailer 23

Retailer 24

October 28, 2026

Retailer 8$11,410 NZD

Retailer 5$11,911 NZD

Retailer 15$12,080 NZD

Retailer 7$12,717 NZD

Retailer 3$12,720 NZD

Retailer 6$12,827 NZD

Retailer 17$13,549 NZD

Retailer 14$13,689 NZD

Retailer 23$13,781 NZD

Retailer 24$13,993 NZD

Retailer 2$14,107 NZD

Retailer 20$14,378 NZD

Retailer 9$14,548 NZD

Retailer 11$14,586 NZD

Retailer 10$14,609 NZD

Retailer 12$14,609 NZD

Retailer 16$15,107 NZD

Retailer 18$15,902 NZD

Retailer 21$16,530 NZD

Retailer 19$18,522 NZD

Retailer 4$19,477 NZD

Retailer 13$20,879 NZD

Retailer 22$21,229 NZD

NZ Jewellers$25,442 NZD

27 data points across 24 retailers

24 retailers$11,911 NZD to $25,442 NZD

Retailer 1

$11,410 NZD

$6,420 USD

Price last confirmed 26 days ago

B+

Retailer 2

$11,911 NZD

$6,702 USD

View

B+

Retailer 3

$12,080 NZD

$6,797 USD

View

Price last confirmed 7 days ago

Retailer 4

$12,717 NZD

$7,155 USD

View

Price last confirmed 6 days ago

Retailer 5

$12,720 NZD

$7,157 USD

View

Price last confirmed 8 days ago

Retailer 6

$12,827 NZD

$7,217 USD

View

Price last confirmed 8 days ago

Retailer 7

$13,549 NZD

$7,624 USD

View

Price last confirmed 7 days ago

B+

Retailer 8

$13,689 NZD

$7,702 USD

View

Retailer 9

$13,781 NZD

$7,754 USD

View

Price last confirmed 8 days ago

Retailer 10

$13,993 NZD

$7,873 USD

View

Price last confirmed 8 days ago

B+

Retailer 11

$14,107 NZD

£6,250 GBP

View

B+

Retailer 12

$14,378 NZD

£6,370 GBP

View

Retailer 13

$14,548 NZD

A$12,593 AUD

View

Price last confirmed 30 days ago

Retailer 14

$14,586 NZD

$8,207 USD

View

Price last confirmed 24 days ago

Retailer 15

$14,609 NZD

$8,220 USD

View

Price last confirmed 7 days ago

Retailer 16

$14,609 NZD

$8,220 USD

View

Price last confirmed 7 days ago

Retailer 17

$15,107 NZD

$8,500 USD

View

Price last confirmed 7 days ago

B+

Retailer 18

$15,902 NZD

$8,947 USD

View

B+

Retailer 19

$16,530 NZD

€8,858 EUR

View

Retailer 20

$18,522 NZD

ZAR 168,356 ZAR

View

Retailer 21

$19,477 NZD

$10,959 USD

View

Price last confirmed 8 days ago

Retailer 22

$20,879 NZD

£9,250 GBP

View

Retailer 23

$21,229 NZD

£9,405 GBP

View

Most Expensive

NZ Jewellers

608b8d12-8a31-47a6-a9a1-c67a65642e26 · Oct 27

$25,442 NZD

$14,315 USD

View

23 more retailers have this diamond

Prices start from $11,911 NZDSave up to $13,531 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.

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1.51ct Oval

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