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Heart|Natural|GIA

0.77ct G SI1 Heart Natural Diamond

GD • G/SI1 • GIA 6173516226

Certificate GIA 6173516226

Diamond specifications and retailer prices

From $4,545 NZD
£2,014 GBP
As of November 2, 2026
1 retailer carries this diamond
Only listing: $4,545 NZD at 77 Diamonds
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at 77 Diamonds

About this 0.77ct natural heart diamond

This 0.77ct natural heart sits in the just-under-one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 6173516226. Listed at a single retailer as of November 2, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.77
Carat
G
Colour
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishGood
SymmetryFair
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6173516226
Dimensions5.89 × 5.96 × 3.80 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather
Top View
5.89 mm5.96 mm0.77 ctG / SI1
OriginNatural
CutGood
PolishGood
SymmetryFair
FluorescenceNone
CertificateGIA 6173516226
Side View
Table 58.0%CrownGirdlePavilionCulet: NoneDepth 63.7%

Caratlytics Score

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C
Average
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Price History

Last verified: Nov 2
Current: $4,545 NZD|Low: $4,441 NZD|High: $4,551 NZD|Avg: $4,519 NZD|+1.2%
November 2, 2026
77 Diamonds$4,545 NZD

36 data points across 1 retailer

1 retailer

C
77 Diamonds
HSZQHGPTTTT · Nov 2
$4,545 NZD
£2,014 GBP
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C
0.77ct Heart
$4,545 NZD