Oval|Natural|GIA

1.51ct D SI2 Oval Natural Diamond

ID • D/SI2 • GIA 2231615608

Certificate GIA 2231615608

Diamond specifications and retailer prices

From $8,307 CAD

$5,935 USD

As of October 29, 2026

Save $10,014 CAD (55%) vs most expensive(unlock to see where)

22 retailers carry this diamond

Most expensive: $18,321 CAD 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 D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2231615608. Listed at 22 retailers as of October 27, 2026, with prices from $8,307 to $18,321, a $10,014 spread on the same certified stone. NZ Jewellers lists it at $18,321. 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

Color

SI2

Clarity

Ideal

Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal

PolishExcellent

SymmetryVery Good

FluorescenceNone

Crown angle40.37°

Pavilion angle39.57°

OriginNatural

Grading LabGIA

CertificateGIA 2231615608

Dimensions8.61 × 6.24 × 4.15 mm

L/W Ratio1.38

Girdle conditionExtremely Thick

Key to symbols

Crystal, Feather, Needle

View GIA Report →View Loupe360 Video →

Top View

OriginNatural

CutIdeal

PolishExcellent

SymmetryVery Good

FluorescenceNone

CertificateGIA 2231615608

Side View

Caratlytics Score

How it works →

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: Oct 29

Current: $10,381 CAD|Low: $7,222 CAD|High: $15,450 CAD|Avg: $10,205 CAD|-0.4%

Retailer 1

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

October 29, 2026

Retailer 8$8,307 CAD

Retailer 6$8,666 CAD

Retailer 2$9,160 CAD

Retailer 7$9,160 CAD

Retailer 10$10,042 CAD

Retailer 5$10,280 CAD

Retailer 1$10,381 CAD

Retailer 9$11,042 CAD

Retailer 4$11,305 CAD

Retailer 3$15,347 CAD

37 data points across 10 retailers

22 retailers$8,307 CAD to $18,321 CAD

Cheapest Retailer

$8,307 CAD

$5,935 USD

Retailer 2

$8,484 CAD

$6,062 USD

View

Retailer 3

$8,655 CAD

$6,184 USD

View

Retailer 4

$8,666 CAD

$6,192 USD

View

Retailer 5

$8,774 CAD

$6,269 USD

View

Retailer 6

$9,160 CAD

$6,545 USD

View

Final sale: no returns

Retailer 7

$9,160 CAD

$6,545 USD

View

Retailer 8

$9,754 CAD

$6,969 USD

View

Retailer 9

$9,923 CAD

$7,090 USD

View

Retailer 10

$10,042 CAD

A$11,038 AUD

View

Retailer 11

$10,076 CAD

$7,199 USD

View

Retailer 12

$10,280 CAD

£5,784 GBP

View

B+

Retailer 13

$10,291 CAD

$7,353 USD

View

Retailer 14

$10,381 CAD

£5,840 GBP

View

B+

Retailer 15

$10,987 CAD

$7,850 USD

View

B+

Retailer 16

$10,987 CAD

$7,850 USD

View

B+

Retailer 17

$11,042 CAD

$7,889 USD

View

B+

Retailer 18

$11,305 CAD

€7,693 EUR

View

B+

Retailer 19

$11,351 CAD

$8,110 USD

View

B+

Retailer 20

$11,450 CAD

$8,181 USD

View

B+

Retailer 21

$15,347 CAD

£8,634 GBP

View

Most Expensive

NZ Jewellers

ff2703fb-317d-4269-8f8b-875e1eded4cb · Oct 27

$18,321 CAD

$13,090 USD

View

21 more retailers have this diamond

Prices start from $8,307 CADSave up to $10,014 CAD

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

$8,307 CAD