Oval|Natural|GIA

1.51ct H SI2 Oval Natural Diamond

EX • H/SI2 • GIA 6431020211

Certificate GIA 6431020211

Diamond specifications and retailer prices

From $5,678 CAD

₹387,147 INR

As of October 31, 2026

Save $8,725 CAD (61%) vs most expensive(unlock to see where)

18 retailers carry this diamond

Most expensive: $14,403 CAD at Adiamor · As of November 1, 2026

View at Adiamor

About this 1.51ct natural oval diamond

This 1.51ct natural oval sits in the one-and-a-half to two carat band, graded H 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 6431020211. Listed at 18 retailers as of October 31, 2026, with prices from $5,678 to $14,403, a $8,725 spread on the same certified stone. Adiamor lists it at $14,403. 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

Excellent

Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent

PolishExcellent

SymmetryVery Good

FluorescenceNone

OriginNatural

Grading LabGIA

CertificateGIA 6431020211

Dimensions8.37 × 6.31 × 4.09 mm

L/W Ratio1.33

View GIA Report →View Loupe360 Video →

Top View

OriginNatural

CutExcellent

PolishExcellent

SymmetryVery Good

FluorescenceNone

CertificateGIA 6431020211

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 31

Current: $7,631 CAD|Low: $5,423 CAD|High: $12,606 CAD|Avg: $7,727 CAD|+0.3%

Retailer 1

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

November 2, 2026

Retailer 3$5,678 CAD

Retailer 4$5,686 CAD

Retailer 10$6,575 CAD

Retailer 9$6,821 CAD

Retailer 7$6,866 CAD

Retailer 8$7,218 CAD

Retailer 1$7,631 CAD

Retailer 2$7,821 CAD

Retailer 5$8,853 CAD

Retailer 6$12,523 CAD

38 data points across 10 retailers

18 retailers$5,678 CAD to $14,403 CAD

Cheapest Retailer

$5,678 CAD

₹387,147 INR

Retailer 2

$5,686 CAD

HK$31,800 HKD

View

Retailer 3

$6,575 CAD

$4,707 USD

View

Retailer 4

$6,679 CAD

$4,781 USD

View

Retailer 5

$6,821 CAD

$4,883 USD

View

Retailer 6

$6,866 CAD

$4,915 USD

View

Price last confirmed 11 days ago

B+

Retailer 7

$7,218 CAD

$5,167 USD

View

Final sale: no returns

B+

Retailer 8

$7,224 CAD

SGD 6,988 SGD

View

B+

Retailer 9

$7,631 CAD

£4,301 GBP

View

B+

Retailer 10

$7,821 CAD

$5,599 USD

View

B+

Retailer 11

$7,821 CAD

$5,599 USD

View

B+

Retailer 12

$7,821 CAD

$5,599 USD

View

B+

Retailer 13

$8,037 CAD

$5,753 USD

View

B+

Retailer 14

$8,853 CAD

€6,036 EUR

View

B+

Retailer 15

$9,024 CAD

$6,460 USD

View

Retailer 16

$12,523 CAD

£7,059 GBP

View

Retailer 17

$13,081 CAD

$9,364 USD

View

Most Expensive

Adiamor

D-64716253 · Nov 1

$14,403 CAD

$10,311 USD

View

17 more retailers have this diamond

Prices start from $5,678 CADSave up to $8,725 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

$5,678 CAD