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Heart|Natural|GIA

1.80ct D SI1 Heart Natural Diamond

D/SI1 • GIA 6402343574

Certificate GIA 6402343574

Diamond specifications and retailer prices

From $10,985 SGD
$8,593 USD
As of November 2, 2026
Save $2,721 SGD (20%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $13,706 SGD 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 $10,985 to $13,706, a $2,721 spread on the same certified stone. Yorxs lists it at $13,706. 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: $11,655 SGD|Low: $10,251 SGD|High: $14,034 SGD|Avg: $11,974 SGD|-2.5%
Retailer 1
Retailer 2
Retailer 3
Yorxs
November 2, 2026
Retailer 2$10,985 SGD
Retailer 3$11,260 SGD
Retailer 1$11,655 SGD
Yorxs$13,706 SGD

20 data points across 4 retailers

4 retailers$10,985 SGD to $13,706 SGD

B+
Cheapest Retailer
-
$10,985 SGD
$8,593 USD
Final sale: no returns
Retailer 2
-
$11,260 SGD
View
Price last confirmed 21 days ago
B
Retailer 3
-
$11,655 SGD
$9,117 USD
View
Most Expensive
B
Yorxs
621998522 · Nov 2
$13,706 SGD
€10,211 EUR
View
3 more retailers have this diamond
Prices start from $10,985 SGDSave up to $2,721 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.

B+
1.80ct Heart
$10,985 SGD