Heart|Natural|GIA

0.90ct E SI1 Heart Natural Diamond

EX • E/SI1 • GIA 2537509021

Certificate GIA 2537509021

Diamond specifications and retailer prices

From $1,361 USD
As of October 28, 2026
Save $2,426 USD (64%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $3,787 USD 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 $1,361 to $3,787, a $2,426 spread on the same certified stone. NZ Jewellers lists it at $3,787. 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
Color
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: $3,787 USD|Low: $1,361 USD|High: $3,787 USD|Avg: $2,018 USD
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 29, 2026
Retailer 15$1,361 USD
Retailer 14$1,433 USD
Retailer 3$1,439 USD
Retailer 9$1,440 USD
Retailer 8$1,552 USD
Retailer 11$1,552 USD
Retailer 10$1,624 USD
Retailer 2$1,733 USD
Retailer 4$1,905 USD
Retailer 13$2,117 USD
Retailer 7$2,139 USD
Retailer 5$2,396 USD
Retailer 6$2,877 USD
Retailer 12$3,005 USD
NZ Jewellers$3,787 USD

31 data points across 15 retailers

16 retailers$1,361 USD to $3,787 USD

A
Cheapest Retailer
-
$1,361 USD
A
Retailer 2
-
$1,433 USD
View
Final sale: no returns
A
Retailer 3
-
$1,439 USD
View
A
Retailer 4
-
$1,440 USD
View
A
Retailer 5
-
$1,552 USD
View
B+
Retailer 6
-
$1,552 USD
View
B+
Retailer 7
-
$1,624 USD
View
B+
Retailer 8
-
$1,733 USD
£1,365 GBP
View
B+
Retailer 9
-
$1,892 USD
View
B+
Retailer 10
-
$1,905 USD
View
B+
Retailer 11
-
$2,117 USD
€2,016 EUR
View
B+
Retailer 12
-
$2,139 USD
A$3,291 AUD
View
Price last confirmed 23 days ago
B+
Retailer 13
-
$2,396 USD
ZAR 38,701 ZAR
View
B
Retailer 14
-
$2,877 USD
£2,265 GBP
View
B
Retailer 15
-
$3,005 USD
£2,366 GBP
View
Most Expensive
B
NZ Jewellers
3d32a77e-4bb2-43a1-b062-5ec33f9ee676 · Oct 27
$3,787 USD
View
15 more retailers have this diamond
Prices start from $1,361 USDSave up to $2,426 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
0.90ct Heart
$1,361 USD