Heart|Natural|GIA

1.51ct D SI1 Heart Natural Diamond

EX • D/SI1 • GIA 6471026814

Certificate GIA 6471026814

Diamond specifications and retailer prices

From $7,456 SGD

$5,832 USD

As of November 1, 2026

Save $8,327 SGD (53%) vs most expensive(unlock to see where)

18 retailers carry this diamond

Most expensive: $15,783 SGD at NZ Jewellers · As of October 30, 2026

View at NZ Jewellers

About this 1.51ct natural heart diamond

This 1.51ct natural heart sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6471026814. Listed at 18 retailers as of October 30, 2026, with prices from $7,456 to $15,783, a $8,327 spread on the same certified stone. NZ Jewellers lists it at $15,783. 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

PolishVery Good

SymmetryGood

FluorescenceStrong

OriginNatural

Grading LabGIA

CertificateGIA 6471026814

Dimensions7.44 × 7.56 × 3.74 mm

L/W Ratio1.02

View GIA Report →View Loupe360 Video →

Top View

OriginNatural

CutExcellent

PolishVery Good

SymmetryGood

FluorescenceStrong

CertificateGIA 6471026814

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 1

Current: $15,783 SGD|Low: $7,456 SGD|High: $15,783 SGD|Avg: $10,020 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

November 2, 2026

Retailer 4$7,456 SGD

Retailer 10$7,892 SGD

Retailer 12$8,550 SGD

Retailer 11$8,680 SGD

Retailer 3$8,696 SGD

Retailer 6$8,830 SGD

Retailer 2$8,898 SGD

Retailer 5$9,255 SGD

Retailer 13$9,864 SGD

Retailer 9$10,313 SGD

Retailer 8$11,595 SGD

Retailer 7$13,151 SGD

NZ Jewellers$15,783 SGD

43 data points across 13 retailers

18 retailers$7,456 SGD to $15,783 SGD

B+

Cheapest Retailer

$7,456 SGD

$5,832 USD

B+

Retailer 2

$7,535 SGD

$5,894 USD

View

B+

Retailer 3

$7,892 SGD

$6,173 USD

View

Retailer 4

$7,892 SGD

$6,173 USD

View

Price last confirmed 21 days ago

B+

Retailer 5

$7,932 SGD

$6,205 USD

View

B+

Retailer 6

$8,550 SGD

$6,688 USD

View

B+

Retailer 7

$8,680 SGD

$6,790 USD

View

B+

Retailer 8

$8,696 SGD

$6,802 USD

View

B+

Retailer 9

$8,830 SGD

£5,438 GBP

View

B+

Retailer 10

$8,898 SGD

£5,481 GBP

View

Retailer 11

$9,255 SGD

A$11,137 AUD

View

Price last confirmed 29 days ago

Retailer 12

$9,864 SGD

$7,716 USD

View

Retailer 13

$9,864 SGD

$7,716 USD

View

Price last confirmed 24 days ago

Retailer 14

$10,313 SGD

€7,683 EUR

View

Retailer 15

$10,400 SGD

$8,135 USD

View

Price last confirmed 20 days ago

Retailer 16

$11,595 SGD

ZAR 146,521 ZAR

View

Retailer 17

$13,151 SGD

£8,100 GBP

View

Most Expensive

NZ Jewellers

75af5fb7-0f00-4687-9234-f981cbecc60e · Oct 30

$15,783 SGD

$12,346 USD

View

17 more retailers have this diamond

Prices start from $7,456 SGDSave up to $8,327 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.

Similar diamonds

B+

1.51ct Heart

$7,456 SGD