Oval|Natural|GIA

1.51ct F SI2 Oval Natural Diamond

EX • F/SI2 • GIA 6522365391

Certificate GIA 6522365391

Diamond specifications and retailer prices

From $7,639 SGD

$5,973 USD

As of November 1, 2026

Save $8,530 SGD (53%) vs most expensive(unlock to see where)

16 retailers carry this diamond

Most expensive: $16,169 SGD at NZ Jewellers · As of November 2, 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 F 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 6522365391. Listed at 16 retailers as of November 1, 2026, with prices from $7,639 to $16,169, a $8,530 spread on the same certified stone. NZ Jewellers lists it at $16,169. 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

SI2

Clarity

Excellent

Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent

PolishExcellent

SymmetryExcellent

FluorescenceMedium

Crown angle38.74°

Pavilion angle39.76°

OriginNatural

Grading LabGIA

CertificateGIA 6522365391

Dimensions9.38 × 6.32 × 3.85 mm

L/W Ratio1.48

View GIA Report →View Loupe360 Video →

Top View

OriginNatural

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceMedium

CertificateGIA 6522365391

Side View

Caratlytics Score

How it works →

Excellent

Excellent quality and great value

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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1

Current: $16,169 SGD|Low: $7,639 SGD|High: $16,169 SGD|Avg: $10,103 SGD

NZ Jewellers

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

November 2, 2026

Retailer 9$7,639 SGD

Retailer 8$8,085 SGD

Retailer 6$8,758 SGD

Retailer 11$8,893 SGD

Retailer 4$9,115 SGD

Retailer 10$9,220 SGD

Retailer 3$9,570 SGD

Retailer 7$10,106 SGD

Retailer 2$10,561 SGD

Retailer 5$13,473 SGD

NZ Jewellers$16,169 SGD

43 data points across 11 retailers

16 retailers$7,639 SGD to $16,169 SGD

Cheapest Retailer

$7,639 SGD

$5,973 USD

Retailer 2

$8,085 SGD

$6,322 USD

View

B+

Retailer 3

$8,152 SGD

$6,374 USD

View

B+

Retailer 4

$8,758 SGD

$6,848 USD

View

B+

Retailer 5

$8,893 SGD

$6,954 USD

View

B+

Retailer 6

$9,115 SGD

£5,612 GBP

View

B+

Retailer 7

$9,570 SGD

$7,483 USD

View

Retailer 8

$10,106 SGD

$7,902 USD

View

Price last confirmed 62 days ago

B+

Retailer 9

$10,106 SGD

$7,902 USD

View

B+

Retailer 10

$10,231 SGD

$8,000 USD

View

B+

Retailer 11

$10,231 SGD

$8,000 USD

View

B+

Retailer 12

$10,561 SGD

€7,865 EUR

View

Retailer 13

$10,577 SGD

$8,270 USD

View

Retailer 14

$13,473 SGD

£8,295 GBP

View

Retailer 15

$16,169 SGD

$12,643 USD

View

Price last confirmed 64 days ago

Most Expensive

NZ Jewellers

eb984eed-b178-4d39-863e-7afc21aeca99 · Nov 2

$16,169 SGD

$12,643 USD

View

15 more retailers have this diamond

Prices start from $7,639 SGDSave up to $8,530 SGD

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

$7,639 SGD