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Round|Natural|GIA

1.00ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 7531246302

Certificate GIA 7531246302

Diamond specifications and retailer prices

From $3,517 AUD
HK$19,300 HKD
As of November 1, 2026
Save $4,136 AUD (54%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $7,974 AUD at NZ Jewellers · As of October 20, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7531246302. Listed at 25 retailers as of November 1, 2026, with a 118% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 7531246302
Dimensions6.40 × 6.37 × 3.93 mm
L/W Ratio1.00
Key to symbols
Feather, Indented Natural, Natural
Top View
6.40 mm6.37 mm1.00 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7531246302
Side View
Table 61.0%Crown 32.5°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 61.6%

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: Nov 1
Current: $3,546 AUD|Low: $3,426 AUD|High: $7,745 AUD|Avg: $4,857 AUD|+0.0%
Retailer 1
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
November 1, 2026
Retailer 13$3,517 AUD
Retailer 1$3,546 AUD
Retailer 6$4,004 AUD
Retailer 4$4,062 AUD
Retailer 7$4,222 AUD
Retailer 5$4,375 AUD
Retailer 8$4,404 AUD
Retailer 2$4,518 AUD
Retailer 14$4,627 AUD
Retailer 11$4,714 AUD
Retailer 10$5,173 AUD
Retailer 12$5,625 AUD
Retailer 15$6,630 AUD
Retailer 3$6,815 AUD
Retailer 9$7,653 AUD

29 data points across 15 retailers

25 retailers$3,517 AUD to $7,653 AUD

A
Cheapest Retailer
-
$3,517 AUD
HK$19,300 HKD
A
Retailer 2
-
$3,546 AUD
₹237,214 INR
View
B+
Retailer 3
-
$4,004 AUD
SGD 3,801 SGD
View
B+
Retailer 4
-
$4,062 AUD
$2,853 USD
View
Retailer 5
-
$4,180 AUD
$2,936 USD
View
Price last confirmed 12 days ago
B+
Retailer 6
-
$4,222 AUD
$2,966 USD
View
Final sale: no returns
B+
Retailer 7
-
$4,375 AUD
$3,073 USD
View
B+
Retailer 8
-
$4,404 AUD
£2,436 GBP
View
B
Retailer 9
-
$4,435 AUD
$3,115 USD
View
B
Retailer 10
-
$4,518 AUD
$3,174 USD
View
Retailer 11
-
$4,577 AUD
$3,215 USD
View
Price last confirmed 16 days ago
Retailer 12
-
$4,577 AUD
$3,215 USD
View
Price last confirmed 10 days ago
B+
Retailer 13
-
$4,627 AUD
$3,250 USD
View
B+
Retailer 14
-
$4,714 AUD
£2,607 GBP
View
Retailer 15
-
$4,752 AUD
$3,338 USD
View
Price last confirmed 10 days ago
B+
Retailer 16
-
$4,781 AUD
$3,358 USD
View
B+
Retailer 17
-
$4,902 AUD
SGD 4,653 SGD
View
Retailer 18
-
$4,907 AUD
View
Price last confirmed 28 days ago
B
Retailer 19
-
$5,173 AUD
€3,461 EUR
View
Retailer 20
-
$5,280 AUD
$3,709 USD
View
Price last confirmed 9 days ago
B
Retailer 21
-
$5,625 AUD
ZAR 63,837 ZAR
View
B
Retailer 22
-
$6,630 AUD
$4,657 USD
View
B
Retailer 23
-
$6,815 AUD
$4,787 USD
View
B
Retailer 24
-
$7,653 AUD
£4,233 GBP
View
Most Expensive
NZ Jewellers
50e08de8-2568-4efa-8c40-f267d318b6f9 · Oct 20
$7,974 AUD
$5,601 USD
View
Price last confirmed 12 days ago
24 more retailers have this diamond
Prices start from $3,517 AUDSave up to $4,136 AUD

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 Round
$3,517 AUD