Round|Natural|GIA

1.10ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 5523400205

Certificate GIA 5523400205

Diamond specifications and retailer prices

From $5,643 AUD
$3,964 USD
As of October 28, 2026
Save $5,629 AUD (50%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $11,272 AUD at NZ Jewellers · As of October 27, 2026
View at NZ Jewellers

About this 1.1ct natural round diamond

This 1.1ct 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 5523400205. Listed at 13 retailers as of October 27, 2026, with prices from $5,643 to $11,272, a $5,629 spread on the same certified stone. NZ Jewellers lists it at $11,272. 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

1.10
Carat
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 5523400205
Dimensions6.58 × 6.54 × 4.10 mm
L/W Ratio1.01
Top View
6.58 mm6.54 mm1.10 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5523400205
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $11,272 AUD|Low: $5,341 AUD|High: $11,272 AUD|Avg: $7,197 AUD|+2.5%
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
Retailer 16
October 28, 2026
Retailer 6$5,633 AUD
Retailer 4$5,643 AUD
Retailer 11$5,808 AUD
Retailer 15$5,840 AUD
Retailer 13$5,971 AUD
Retailer 3$6,470 AUD
Retailer 5$6,470 AUD
Retailer 12$6,470 AUD
Retailer 14$6,522 AUD
Retailer 8$6,681 AUD
Retailer 2$7,311 AUD
Retailer 16$7,465 AUD
Retailer 9$7,878 AUD
Retailer 7$10,197 AUD
Retailer 10$10,318 AUD
NZ Jewellers$11,272 AUD

29 data points across 16 retailers

13 retailers$5,643 AUD to $11,272 AUD

B+
Cheapest Retailer
-
$5,643 AUD
$3,964 USD
Retailer 2
-
$5,808 AUD
$4,080 USD
View
Price last confirmed 7 days ago
Retailer 3
-
$5,840 AUD
$4,103 USD
View
Price last confirmed 7 days ago
B
Retailer 4
-
$5,971 AUD
$4,194 USD
View
Final sale: no returns
B
Retailer 5
-
$6,470 AUD
$4,545 USD
View
Retailer 6
-
$6,470 AUD
$4,545 USD
View
Price last confirmed 8 days ago
Retailer 7
-
$6,470 AUD
$4,545 USD
View
Price last confirmed 7 days ago
Retailer 8
-
$6,522 AUD
View
Price last confirmed 23 days ago
B
Retailer 9
-
$7,311 AUD
€4,891 EUR
View
B
Retailer 10
-
$7,465 AUD
$5,244 USD
View
B
Retailer 11
-
$7,878 AUD
ZAR 89,402 ZAR
View
B
Retailer 12
-
$10,318 AUD
£5,707 GBP
View
Most Expensive
B
NZ Jewellers
9d8833db-9996-448e-9aa6-42f93131bd7a · Oct 27
$11,272 AUD
$7,918 USD
View
12 more retailers have this diamond
Prices start from $5,643 AUDSave up to $5,629 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.

B+
1.10ct Round
$5,643 AUD