Heart|Natural|GIA

1.80ct D SI1 Heart Natural Diamond

D/SI1 • GIA 6402343574

Certificate GIA 6402343574

Diamond specifications and retailer prices

From $15,247 NZD
$8,593 USD
As of November 2, 2026
Save $3,777 NZD (20%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $19,023 NZD at Yorxs · As of November 2, 2026
View at Yorxs

About this 1.8ct natural heart diamond

This 1.8ct natural heart sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included) and certified by GIA 6402343574. Listed at 4 retailers as of November 2, 2026, with prices from $15,247 to $19,023, a $3,777 spread on the same certified stone. Yorxs lists it at $19,023. 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

1.80
Carat
D
Colour
SI1
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6402343574
Dimensions7.64 × 7.94 × 5.50 mm
L/W Ratio1.04
Top View
7.64 mm7.94 mm1.80 ctD / SI1
OriginNatural
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6402343574
Side View
Table 55.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 69.3%

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 2
Current: $16,176 NZD|Low: $14,228 NZD|High: $19,478 NZD|Avg: $16,619 NZD|-2.5%
Retailer 1
Retailer 2
Retailer 3
Yorxs
November 2, 2026
Retailer 2$15,247 NZD
Retailer 3$15,628 NZD
Retailer 1$16,176 NZD
Yorxs$19,023 NZD

20 data points across 4 retailers

4 retailers$15,247 NZD to $19,023 NZD

B+
Cheapest Retailer
-
$15,247 NZD
$8,593 USD
Final sale: no returns
Retailer 2
-
$15,628 NZD
SGD 11,903 SGD
View
Price last confirmed 21 days ago
B
Retailer 3
-
$16,176 NZD
$9,117 USD
View
Most Expensive
B
Yorxs
621998522 · Nov 2
$19,023 NZD
€10,211 EUR
View
3 more retailers have this diamond
Prices start from $15,247 NZDSave up to $3,777 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.

B+
1.80ct Heart
$15,247 NZD