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Heart|Natural|GIA

0.90ct E SI1 Heart Natural Diamond

EX • E/SI1 • GIA 2537509021

Certificate GIA 2537509021

Diamond specifications and retailer prices

From $1,744 SGD
$1,361 USD
As of October 28, 2026
Save $3,109 SGD (64%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $4,854 SGD at NZ Jewellers · As of October 27, 2026
View at NZ Jewellers

About this 0.9ct natural heart diamond

This 0.9ct natural heart sits in the just-under-one-carat band, graded E 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 2537509021. Listed at 16 retailers as of October 27, 2026, with prices from $1,744 to $4,854, a $3,109 spread on the same certified stone. NZ Jewellers lists it at $4,854. 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

0.90
Carat
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.24°
Pavilion angle39.58°
OriginNatural
Grading LabGIA
CertificateGIA 2537509021
Dimensions6.08 × 6.50 × 3.66 mm
L/W Ratio1.07
Top View
6.08 mm6.50 mm0.90 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2537509021
Side View
Table 59.0%Crown 35.24°Girdle: VTK-ETKPavilion 39.58°Culet: NoneDepth 56.3%

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: Oct 28
Current: $4,854 SGD|Low: $1,744 SGD|High: $4,854 SGD|Avg: $2,591 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 30, 2026
Retailer 15$1,744 SGD
Retailer 14$1,837 SGD
Retailer 3$1,844 SGD
Retailer 10$1,846 SGD
Retailer 9$1,989 SGD
Retailer 12$1,989 SGD
Retailer 11$2,081 SGD
Retailer 8$2,229 SGD
Retailer 4$2,442 SGD
Retailer 13$2,713 SGD
Retailer 7$2,742 SGD
Retailer 5$3,070 SGD
Retailer 6$3,687 SGD
Retailer 2$3,841 SGD
NZ Jewellers$4,854 SGD

31 data points across 15 retailers

16 retailers$1,744 SGD to $4,854 SGD

A
Cheapest Retailer
-
$1,744 SGD
$1,361 USD
A
Retailer 2
-
$1,837 SGD
$1,433 USD
View
Final sale: no returns
A
Retailer 3
-
$1,844 SGD
$1,439 USD
View
A
Retailer 4
-
$1,846 SGD
$1,440 USD
View
A
Retailer 5
-
$1,989 SGD
$1,552 USD
View
B+
Retailer 6
-
$1,989 SGD
$1,552 USD
View
B+
Retailer 7
-
$2,081 SGD
$1,624 USD
View
B+
Retailer 8
-
$2,229 SGD
£1,369 GBP
View
B+
Retailer 9
-
$2,425 SGD
$1,892 USD
View
B+
Retailer 10
-
$2,442 SGD
$1,905 USD
View
B+
Retailer 11
-
$2,713 SGD
€2,016 EUR
View
Retailer 12
-
$2,742 SGD
A$3,291 AUD
View
Price last confirmed 24 days ago
B+
Retailer 13
-
$3,070 SGD
ZAR 38,701 ZAR
View
B
Retailer 14
-
$3,687 SGD
£2,265 GBP
View
B
Retailer 15
-
$3,841 SGD
£2,359 GBP
View
Most Expensive
B
NZ Jewellers
3d32a77e-4bb2-43a1-b062-5ec33f9ee676 · Oct 27
$4,854 SGD
$3,787 USD
View
15 more retailers have this diamond
Prices start from $1,744 SGDSave up to $3,109 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
0.90ct Heart
$1,744 SGD