Round|Natural|GIA

1.05ct H IF Round Natural Diamond

EX • H/IF • GIA 5203445114

Certificate GIA 5203445114

Diamond specifications and retailer prices

From $6,196 USD
As of October 28, 2026
Save $4,327 USD (41%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $10,523 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.05ct natural round diamond

This 1.05ct natural round sits in the classic one-carat band, graded H colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 5203445114. Listed at 9 retailers as of October 28, 2026, with prices from $6,196 to $10,523, a $4,327 spread on the same certified stone. MOH London lists it at $10,523. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
H
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 5203445114
Dimensions6.53 × 6.51 × 4.05 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
6.53 mm6.51 mm1.05 ctH / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5203445114
Side View
Table 57.0%Crown 34.5°Girdle: ThickPavilion 41.2°Culet: NoneDepth 62.0%

Caratlytics Score

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

Price History

Last verified: Oct 28
Current: $10,523 USD|Low: $6,000 USD|High: $10,593 USD|Avg: $7,363 USD|+2.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 28, 2026
Retailer 10$6,000 USD
Retailer 6$6,165 USD
Retailer 9$6,196 USD
Retailer 8$6,339 USD
Retailer 7$6,558 USD
Retailer 5$6,896 USD
Retailer 3$7,379 USD
Retailer 2$7,751 USD
Retailer 4$8,651 USD
MOH London$10,523 USD

39 data points across 10 retailers

9 retailers$6,196 USD to $10,523 USD

B+
Retailer 1
-
$6,165 USD
Price last confirmed 7 days ago
B+
Retailer 2
-
$6,196 USD
View
B+
Retailer 3
-
$6,339 USD
View
B+
Retailer 4
-
$6,558 USD
View
B
Retailer 5
-
$6,896 USD
A$10,609 AUD
View
Price last confirmed 7 days ago
B
Retailer 6
-
$7,379 USD
£5,810 GBP
View
B
Retailer 7
-
$7,751 USD
€7,382 EUR
View
B
Retailer 8
-
$8,651 USD
ZAR 139,763 ZAR
View
Most Expensive
B
MOH London
A87E12A17 · Oct 29
$10,523 USD
£8,286 GBP
View
8 more retailers have this diamond
Prices start from $6,196 USDSave up to $4,327 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.

B+
1.05ct Round
$6,196 USD