Heart|Natural|GIA

1.51ct D SI2 Heart Natural Diamond

EX • D/SI2 • GIA 1547460191

Certificate GIA 1547460191

Diamond specifications and retailer prices

From $6,246 NZD

HK$27,500 HKD

As of November 1, 2026

Save $8,908 NZD (59%) vs most expensive(unlock to see where)

16 retailers carry this diamond

Most expensive: $15,154 NZD at Queensmith · As of October 28, 2026

View at Queensmith

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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1547460191. Listed at 16 retailers as of October 28, 2026, with prices from $6,246 to $15,154, a $8,908 spread on the same certified stone. Queensmith lists it at $15,154. 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

SymmetryVery Good

FluorescenceNone

OriginNatural

Grading LabGIA

CertificateGIA 1547460191

Dimensions7.74 × 6.82 × 4.79 mm

L/W Ratio1.13

Girdle conditionFaceted

Culet sizeNone

Key to symbols

Crystal, Cloud, Feather, Needle, Indented Natural

View GIA Report →View Loupe360 Video →

Top View

OriginNatural

CutExcellent

PolishExcellent

SymmetryVery Good

FluorescenceNone

CertificateGIA 1547460191

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: $15,154 NZD|Low: $6,200 NZD|High: $15,740 NZD|Avg: $9,616 NZD|-3.4%

Queensmith

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

November 2, 2026

Retailer 5$6,246 NZD

Retailer 3$6,726 NZD

Retailer 7$7,619 NZD

Retailer 10$7,946 NZD

Retailer 2$8,208 NZD

Retailer 6$8,295 NZD

Retailer 8$8,446 NZD

Retailer 9$8,521 NZD

Retailer 4$13,148 NZD

Queensmith$15,154 NZD

41 data points across 10 retailers

16 retailers$6,246 NZD to $15,154 NZD

Cheapest Retailer

$6,246 NZD

HK$27,500 HKD

Retailer 2

$6,726 NZD

₹361,043 INR

View

Retailer 3

$7,619 NZD

$4,294 USD

View

Final sale: no returns

Retailer 4

$7,946 NZD

SGD 6,052 SGD

View

Price last confirmed 7 days ago

Retailer 5

$8,208 NZD

£3,643 GBP

View

Retailer 6

$8,254 NZD

$4,652 USD

View

Price last confirmed 17 days ago

Retailer 7

$8,254 NZD

$4,652 USD

View

Price last confirmed 15 days ago

Retailer 8

$8,254 NZD

$4,652 USD

View

Price last confirmed 16 days ago

Retailer 9

$8,295 NZD

SGD 6,318 SGD

View

Retailer 10

$8,446 NZD

$4,760 USD

View

Retailer 11

$8,521 NZD

$4,803 USD

View

Retailer 12

$8,625 NZD

$4,861 USD

View

Retailer 13

$9,524 NZD

$5,368 USD

View

Price last confirmed 14 days ago

B+

Retailer 14

$13,148 NZD

£5,835 GBP

View

Retailer 15

$14,382 NZD

$8,106 USD

View

Price last confirmed 15 days ago

Most Expensive

B+

Queensmith

1547460191 · Oct 28

$15,154 NZD

£6,725 GBP

View

15 more retailers have this diamond

Prices start from $6,246 NZDSave up to $8,908 NZD

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 Heart

$6,246 NZD