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Heart|Natural|GIA

1.81ct D SI1 Heart Natural Diamond

EX • D/SI1 • GIA 6511982574

Certificate GIA 6511982574

Diamond specifications and retailer prices

From $7,415 SGD
$5,800 USD
As of October 31, 2026
Save $2,902 SGD (28%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $10,317 SGD at Jared · As of October 30, 2026
View at Jared

About this 1.81ct natural heart diamond

This 1.81ct 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 6511982574. Listed at 11 retailers as of October 30, 2026, with prices from $7,415 to $10,317, a $2,902 spread on the same certified stone. Jared lists it at $10,317. 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

1.81
Carat
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6511982574
Dimensions7.56 × 8.24 × 4.73 mm
L/W Ratio1.09
Top View
7.56 mm8.24 mm1.81 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6511982574
Side View
Table 59.0%CrownGirdle: THN-VTKPavilionCulet: NoneDepth 57.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $10,317 SGD|Low: $7,415 SGD|High: $11,705 SGD|Avg: $9,793 SGD|-11.6%
Jared
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 10$7,415 SGD
Retailer 5$7,707 SGD
Retailer 9$7,874 SGD
Retailer 3$7,970 SGD
Retailer 6$9,185 SGD
Retailer 8$9,331 SGD
Retailer 7$9,984 SGD
Retailer 11$9,984 SGD
Retailer 2$9,986 SGD
Retailer 4$10,241 SGD
Jared$10,317 SGD

40 data points across 11 retailers

11 retailers$7,415 SGD to $10,317 SGD

A
Cheapest Retailer
-
$7,415 SGD
$5,800 USD
A
Retailer 2
-
$7,707 SGD
$6,029 USD
View
A
Retailer 3
-
$7,874 SGD
$6,159 USD
View
A
Retailer 4
-
$7,970 SGD
$6,235 USD
View
B+
Retailer 5
-
$9,185 SGD
$7,185 USD
View
B+
Retailer 6
-
$9,331 SGD
$7,299 USD
View
B+
Retailer 7
-
$9,984 SGD
$7,810 USD
View
B+
Retailer 8
-
$9,984 SGD
$7,810 USD
View
B+
Retailer 9
-
$9,986 SGD
£6,151 GBP
View
B+
Retailer 10
-
$10,241 SGD
€7,629 EUR
View
Most Expensive
B+
Jared
154770093 · Oct 30
$10,317 SGD
$8,070 USD
View
10 more retailers have this diamond
Prices start from $7,415 SGDSave up to $2,902 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.

A
1.81ct Heart
$7,415 SGD