Radiant|Natural|GIA

1.51ct I SI1 Radiant Natural Diamond

EX • I/SI1 • GIA 6532464929

Certificate GIA 6532464929

Diamond specifications and retailer prices

From $8,902 SGD

£5,481 GBP

As of November 2, 2026

Save $7,560 SGD (46%) vs most expensive(unlock to see where)

16 retailers carry this diamond

Most expensive: $16,462 SGD at NZ Jewellers · As of October 27, 2026

View at NZ Jewellers

About this 1.51ct natural radiant diamond

This 1.51ct natural radiant sits in the one-and-a-half to two carat band, graded I 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 6532464929. Listed at 16 retailers as of October 27, 2026, with prices from $8,902 to $16,462, a $7,560 spread on the same certified stone. NZ Jewellers lists it at $16,462. 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

Excellent

Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

OriginNatural

Grading LabGIA

CertificateGIA 6532464929

Dimensions7.73 × 5.60 × 3.84 mm

L/W Ratio1.38

View GIA Report →View Loupe360 Video →

Top View

OriginNatural

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateGIA 6532464929

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: Nov 2

Current: $16,462 SGD|Low: $8,328 SGD|High: $16,462 SGD|Avg: $10,131 SGD

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

November 2, 2026

Retailer 7$8,328 SGD

Retailer 6$8,584 SGD

Retailer 2$8,902 SGD

Retailer 5$9,080 SGD

Retailer 3$9,085 SGD

Retailer 12$9,085 SGD

Retailer 9$9,143 SGD

Retailer 4$9,588 SGD

Retailer 15$9,842 SGD

Retailer 14$9,995 SGD

Retailer 10$10,697 SGD

Retailer 13$11,357 SGD

Retailer 8$11,986 SGD

Retailer 11$13,405 SGD

NZ Jewellers$16,462 SGD

39 data points across 15 retailers

16 retailers$8,902 SGD to $16,462 SGD

Retailer 1

$8,328 SGD

$6,512 USD

Price last confirmed 7 days ago

Retailer 2

$8,584 SGD

$6,712 USD

View

Price last confirmed 7 days ago

B+

Retailer 3

$8,902 SGD

£5,481 GBP

View

Retailer 4

$9,080 SGD

$7,100 USD

View

Price last confirmed 5 days ago

Retailer 5

$9,085 SGD

$7,104 USD

View

Price last confirmed 8 days ago

B+

Retailer 6

$9,143 SGD

£5,629 GBP

View

Retailer 7

$9,588 SGD

A$11,534 AUD

View

Price last confirmed 29 days ago

B+

Retailer 8

$9,798 SGD

$7,661 USD

View

Retailer 9

$9,842 SGD

$7,696 USD

View

Price last confirmed 7 days ago

Retailer 10

$9,995 SGD

$7,815 USD

View

Price last confirmed 8 days ago

Retailer 11

$10,052 SGD

$7,860 USD

View

Price last confirmed 8 days ago

Retailer 12

$10,697 SGD

€7,966 EUR

View

Retailer 13

$11,357 SGD

$8,880 USD

View

Retailer 14

$11,986 SGD

ZAR 151,405 ZAR

View

Retailer 15

$13,405 SGD

£8,253 GBP

View

Price last confirmed 7 days ago

Most Expensive

NZ Jewellers

ae27c0d4-f803-44aa-b296-c81b4670f206 · Oct 27

$16,462 SGD

$12,872 USD

View

15 more retailers have this diamond

Prices start from $8,902 SGDSave up to $7,560 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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B+

1.51ct Radiant

$8,902 SGD