Heart|Natural|GIA

0.91ct D SI1 Heart Natural Diamond

EX • D/SI1 • GIA 3555095431

Certificate GIA 3555095431

Diamond specifications and retailer prices

From $3,325 NZD

$1,871 USD

As of October 26, 2026

Save $5,782 NZD (63%) vs most expensive(unlock to see where)

21 retailers carry this diamond

Most expensive: $9,107 NZD at Moon Ocean · As of October 28, 2026

View at Moon Ocean

About this 0.91ct natural heart diamond

This 0.91ct natural heart sits in the just-under-one-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 3555095431. Listed at 21 retailers as of October 26, 2026, with prices from $3,325 to $9,107, a $5,782 spread on the same certified stone. Moon Ocean lists it at $9,107. 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

0.91

Carat

Colour

SI1

Clarity

Excellent

Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent

PolishVery Good

SymmetryVery Good

FluorescenceNone

OriginNatural

Grading LabGIA

CertificateGIA 3555095431

Dimensions5.51 × 6.55 × 4.17 mm

L/W Ratio1.19

View GIA Report →View Loupe360 Video →

Top View

OriginNatural

CutExcellent

PolishVery Good

SymmetryVery Good

FluorescenceNone

CertificateGIA 3555095431

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: Oct 26

Current: $9,107 NZD|Low: $2,344 NZD|High: $9,143 NZD|Avg: $4,148 NZD|+25.2%

Moon Ocean

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

Retailer 16

Retailer 17

Retailer 18

Retailer 19

Retailer 20

October 28, 2026

Retailer 10$2,344 NZD

Retailer 9$2,737 NZD

Retailer 8$2,874 NZD

Retailer 12$3,212 NZD

Retailer 7$3,325 NZD

Retailer 4$3,425 NZD

Retailer 5$3,604 NZD

Retailer 11$3,637 NZD

Retailer 16$3,791 NZD

Retailer 17$3,791 NZD

Retailer 3$3,830 NZD

Retailer 18$3,967 NZD

Retailer 6$4,038 NZD

Retailer 20$4,134 NZD

Retailer 2$4,135 NZD

Retailer 14$4,374 NZD

Retailer 19$5,491 NZD

Retailer 15$6,652 NZD

Retailer 13$7,927 NZD

Moon Ocean$9,107 NZD

16 data points across 20 retailers

21 retailers$3,325 NZD to $9,107 NZD

Retailer 1

$2,525 NZD

HK$11,100 HKD

Price last confirmed 59 days ago

Retailer 2

$2,737 NZD

€1,467 EUR

View

Price last confirmed 41 days ago

B+

Retailer 3

$3,325 NZD

$1,871 USD

View

B+

Retailer 4

$3,425 NZD

$1,927 USD

View

B+

Retailer 5

$3,604 NZD

$2,028 USD

View

B+

Retailer 6

$3,637 NZD

A$3,148 AUD

View

Retailer 7

$3,791 NZD

$2,133 USD

View

Price last confirmed 9 days ago

Retailer 8

$3,791 NZD

$2,133 USD

View

Price last confirmed 7 days ago

Retailer 9

$3,830 NZD

$2,155 USD

View

Price last confirmed 5 days ago

Retailer 10

$3,967 NZD

$2,232 USD

View

Price last confirmed 16 days ago

Retailer 11

$3,967 NZD

$2,232 USD

View

Price last confirmed 10 days ago

Retailer 12

$4,038 NZD

$2,272 USD

View

Price last confirmed 17 days ago

Retailer 13

$4,134 NZD

$2,326 USD

View

B+

Retailer 14

$4,135 NZD

£1,832 GBP

View

Retailer 15

$4,374 NZD

$2,461 USD

View

Retailer 16

$4,374 NZD

$2,461 USD

View

Price last confirmed 17 days ago

Retailer 17

$5,491 NZD

ZAR 49,909 ZAR

View

Price last confirmed 11 days ago

Retailer 18

$6,652 NZD

£2,947 GBP

View

Price last confirmed 7 days ago

Retailer 19

$7,927 NZD

$4,460 USD

View

Retailer 20

$7,927 NZD

$4,460 USD

View

Price last confirmed 12 days ago

Most Expensive

Moon Ocean

NVN-D06AD69D9-431 · Oct 28

$9,107 NZD

£4,035 GBP

View

20 more retailers have this diamond

Prices start from $3,325 NZDSave up to $5,782 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.

Similar diamonds

B+

0.91ct Heart

$3,325 NZD