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Heart|Natural|GIA

1.00ct K SI1 Heart Natural Diamond

EX • K/SI1 • GIA 2547731109

Certificate GIA 2547731109

Diamond specifications and retailer prices

From $1,387 SGD
As of November 4, 2026
Save $926 SGD (40%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $2,312 SGD at Wholesale Diamonds Direct · As of November 6, 2026
View at Wholesale Diamonds Direct

About this 1ct natural heart diamond

This 1ct natural heart sits in the classic one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2547731109. Listed at 10 retailers as of November 4, 2026, with prices from $1,387 to $2,312, a $926 spread on the same certified stone. Wholesale Diamonds Direct lists it at $2,312. 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

1.00
Carat
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.8°
Pavilion angle38.05°
OriginNatural
Grading LabGIA
CertificateGIA 2547731109
Dimensions5.90 × 6.94 × 4.06 mm
L/W Ratio1.18
Top View
5.90 mm6.94 mm1.00 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2547731109
Side View
Table 58.0%Crown 36.8°Girdle: MED-THKPavilion 38.05°Culet: NoneDepth 58.6%

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: Nov 4
Current: $1,562 SGD|Low: $1,387 SGD|High: $2,377 SGD|Avg: $1,675 SGD|-0.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Wholesale Diamonds Direct
November 6, 2026
Retailer 3$1,387 SGD
Retailer 8$1,474 SGD
Retailer 7$1,492 SGD
Retailer 4$1,499 SGD
Retailer 6$1,510 SGD
Retailer 1$1,562 SGD
Retailer 5$1,707 SGD
Retailer 9$1,725 SGD
Retailer 2$1,742 SGD
Wholesale Diamonds Direct$2,312 SGD

39 data points across 10 retailers

10 retailers$1,387 SGD to $2,312 SGD

A
Cheapest Retailer
-
$1,387 SGD
A
Retailer 2
-
$1,474 SGD
View
A
Retailer 3
-
$1,492 SGD
View
A
Retailer 4
-
$1,499 SGD
View
A
Retailer 5
-
$1,510 SGD
View
A
Retailer 6
-
$1,562 SGD
View
A
Retailer 7
-
$1,707 SGD
View
A
Retailer 8
-
$1,725 SGD
View
A
Retailer 9
-
$1,742 SGD
View
Most Expensive
B+
Wholesale Diamonds Direct
488122460 · Nov 6
$2,312 SGD
$1,804 USD
View
9 more retailers have this diamond
Prices start from $1,387 SGDSave up to $926 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
1.00ct Heart
$1,387 SGD