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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 HK$10,678 HKD
$1,361 USD
As of October 28, 2026
Save HK$19,034 HKD (64%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$29,712 HKD at NZ Jewellers · As of October 30, 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 28, 2026, with prices from HK$10,678 to HK$29,712, a HK$19,034 spread on the same certified stone. NZ Jewellers lists it at HK$29,712. 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: HK$29,712 HKD|Low: HK$10,678 HKD|High: HK$29,712 HKD|Avg: HK$15,859 HKD
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 15HK$10,678 HKD
Retailer 14HK$11,243 HKD
Retailer 3HK$11,290 HKD
Retailer 10HK$11,298 HKD
Retailer 9HK$12,177 HKD
Retailer 12HK$12,177 HKD
Retailer 11HK$12,741 HKD
Retailer 8HK$13,642 HKD
Retailer 4HK$14,946 HKD
Retailer 13HK$16,608 HKD
Retailer 7HK$16,785 HKD
Retailer 5HK$18,795 HKD
Retailer 6HK$22,569 HKD
Retailer 2HK$23,510 HKD
NZ JewellersHK$29,712 HKD

31 data points across 15 retailers

16 retailersHK$10,678 HKD to HK$29,712 HKD

A
Cheapest Retailer
-
HK$10,678 HKD
$1,361 USD
A
Retailer 2
-
HK$11,243 HKD
$1,433 USD
View
Final sale: no returns
A
Retailer 3
-
HK$11,290 HKD
$1,439 USD
View
A
Retailer 4
-
HK$11,298 HKD
$1,440 USD
View
A
Retailer 5
-
HK$12,177 HKD
$1,552 USD
View
B+
Retailer 6
-
HK$12,177 HKD
$1,552 USD
View
B+
Retailer 7
-
HK$12,741 HKD
$1,624 USD
View
B+
Retailer 8
-
HK$13,642 HKD
£1,369 GBP
View
B+
Retailer 9
-
HK$14,844 HKD
$1,892 USD
View
B+
Retailer 10
-
HK$14,946 HKD
$1,905 USD
View
B+
Retailer 11
-
HK$16,608 HKD
€2,016 EUR
View
Retailer 12
-
HK$16,785 HKD
A$3,291 AUD
View
Price last confirmed 25 days ago
B+
Retailer 13
-
HK$18,795 HKD
ZAR 38,701 ZAR
View
B
Retailer 14
-
HK$22,569 HKD
£2,265 GBP
View
B
Retailer 15
-
HK$23,510 HKD
£2,359 GBP
View
Most Expensive
B
NZ Jewellers
3d32a77e-4bb2-43a1-b062-5ec33f9ee676 · Oct 30
HK$29,712 HKD
$3,787 USD
View
15 more retailers have this diamond
Prices start from HK$10,678 HKDSave up to HK$19,034 HKD

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
HK$10,678 HKD