Heart|Natural|GIA

1.80ct D SI1 Heart Natural Diamond

ID • D/SI1 • GIA 6442187096

Certificate GIA 6442187096

Diamond specifications and retailer prices

From $7,002 USD
HK$54,700 HKD
As of November 1, 2026
Save $8,108 USD (54%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $15,110 USD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

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), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6442187096. Listed at 22 retailers as of October 30, 2026, with prices from $7,002 to $15,110, a $8,108 spread on the same certified stone. NZ Jewellers lists it at $15,110. 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

1.80
Carat
D
Color
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle38.58°
OriginNatural
Grading LabGIA
CertificateGIA 6442187096
Dimensions8.19 × 6.84 × 5.13 mm
L/W Ratio1.20
Top View
8.19 mm6.84 mm1.80 ctD / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6442187096
Side View
Table 60.0%Crown 38.58°Girdle: STK-VTKPavilionCulet: NoneDepth 62.6%

Caratlytics Score

How it works →
A
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: $8,425 USD|Low: $7,145 USD|High: $12,742 USD|Avg: $9,043 USD|-1.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 2$7,162 USD
Retailer 7$8,104 USD
Retailer 8$8,339 USD
Retailer 1$8,425 USD
Retailer 4$8,453 USD
Retailer 6$8,510 USD
Retailer 5$11,099 USD
Retailer 3$12,591 USD

30 data points across 8 retailers

22 retailers$7,002 USD to $15,110 USD

A
Cheapest Retailer
-
$7,002 USD
HK$54,700 HKD
A
Retailer 2
-
$7,162 USD
₹682,107 INR
View
B+
Retailer 3
-
$7,644 USD
View
Retailer 4
-
$7,748 USD
SGD 10,470 SGD
View
Price last confirmed 21 days ago
B+
Retailer 5
-
$7,808 USD
View
B+
Retailer 6
-
$8,104 USD
SGD 10,951 SGD
View
B+
Retailer 7
-
$8,110 USD
View
B+
Retailer 8
-
$8,140 USD
View
B+
Retailer 9
-
$8,290 USD
View
B+
Retailer 10
-
$8,339 USD
View
B+
Retailer 11
-
$8,339 USD
View
Final sale: no returns
B+
Retailer 12
-
$8,425 USD
£6,634 GBP
View
B+
Retailer 13
-
$8,453 USD
£6,656 GBP
View
Retailer 14
-
$8,510 USD
A$13,092 AUD
View
Price last confirmed 9 days ago
B+
Retailer 15
-
$9,034 USD
View
B+
Retailer 16
-
$9,173 USD
View
B+
Retailer 17
-
$9,458 USD
View
B
Retailer 18
-
$9,586 USD
View
B+
Retailer 19
-
$10,424 USD
View
B+
Retailer 20
-
$11,099 USD
ZAR 179,303 ZAR
View
B
Retailer 21
-
$12,591 USD
£9,914 GBP
View
Most Expensive
B
NZ Jewellers
a618d29c-7b39-4c36-8162-91f4522f4d77 · Oct 30
$15,110 USD
View
21 more retailers have this diamond
Prices start from $7,002 USDSave up to $8,108 USD

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.

A
1.80ct Heart
$7,002 USD