Round|Natural|GIA

1.51ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 5443367010

Certificate GIA 5443367010

Diamond specifications and retailer prices

From $6,578 SGD

HK$40,200 HKD

As of November 1, 2026

Save $8,239 SGD (56%) vs most expensive(unlock to see where)

19 retailers carry this diamond

Most expensive: $14,817 SGD at NZ Jewellers · As of October 27, 2026

View at NZ Jewellers

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5443367010. Listed at 19 retailers as of October 27, 2026, with prices from $6,578 to $14,817, a $8,239 spread on the same certified stone. NZ Jewellers lists it at $14,817. 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

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle32°

Pavilion angle41°

OriginNatural

Grading LabGIA

CertificateGIA 5443367010

Dimensions7.36 × 7.40 × 4.50 mm

L/W Ratio1.01

Star length50%

Lower girdle75%

View GIA Report →View Loupe360 Video →

Top View

OriginNatural

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateGIA 5443367010

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: Nov 1

Current: $9,175 SGD|Low: $6,578 SGD|High: $13,209 SGD|Avg: $9,336 SGD|+9.0%

Retailer 1

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

November 1, 2026

Retailer 4$6,578 SGD

Retailer 3$7,495 SGD

Retailer 9$8,113 SGD

Retailer 10$8,177 SGD

Retailer 11$8,688 SGD

Retailer 2$8,995 SGD

Retailer 5$9,139 SGD

Retailer 1$9,175 SGD

Retailer 6$9,847 SGD

Retailer 7$10,788 SGD

Retailer 8$13,070 SGD

40 data points across 11 retailers

19 retailers$6,578 SGD to $14,817 SGD

Cheapest Retailer

$6,578 SGD

HK$40,200 HKD

B+

Retailer 2

$7,495 SGD

$5,863 USD

View

B+

Retailer 3

$7,727 SGD

$6,044 USD

View

B+

Retailer 4

$7,743 SGD

$6,057 USD

View

B+

Retailer 5

$8,113 SGD

View

Retailer 6

$8,178 SGD

$6,397 USD

View

Price last confirmed 7 days ago

B+

Retailer 7

$8,207 SGD

$6,420 USD

View

Retailer 8

$8,688 SGD

A$10,455 AUD

View

Price last confirmed 28 days ago

B+

Retailer 9

$8,859 SGD

$6,930 USD

View

Retailer 10

$8,995 SGD

$7,036 USD

View

Price last confirmed 7 days ago

Retailer 11

$9,064 SGD

$7,090 USD

View

Price last confirmed 7 days ago

B+

Retailer 12

$9,065 SGD

$7,091 USD

View

B+

Retailer 13

$9,139 SGD

€6,808 EUR

View

Retailer 14

$9,175 SGD

£5,651 GBP

View

B+

Retailer 15

$9,847 SGD

£6,065 GBP

View

B+

Retailer 16

$10,222 SGD

$7,996 USD

View

B+

Retailer 17

$10,788 SGD

ZAR 136,322 ZAR

View

Retailer 18

$13,070 SGD

£8,050 GBP

View

Most Expensive

NZ Jewellers

52f86b50-f4b6-4949-93c9-690b18e8f1aa · Oct 27

$14,817 SGD

$11,590 USD

View

18 more retailers have this diamond

Prices start from $6,578 SGDSave up to $8,239 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 Round

$6,578 SGD