Round|Natural|GIA

1.05ct E VS1 Round Natural Diamond

EX • E/VS1 • GIA 1242025780

Certificate GIA 1242025780

Diamond specifications and retailer prices

From $4,558 USD
As of October 28, 2026
Save $4,135 USD (48%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $9,297 USD at NZ Jewellers · As of September 15, 2026
View at NZ Jewellers

About this 1.05ct natural round diamond

This 1.05ct natural round sits in the classic one-carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 1242025780. Listed at 18 retailers as of October 26, 2026, with a 91% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
E
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1242025780
Dimensions6.49 × 6.46 × 4.00 mm
L/W Ratio1.00
Girdle conditionFaceted
Top View
6.49 mm6.46 mm1.05 ctE / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1242025780
Side View
Table 59.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.7%

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: $5,318 USD|Low: $4,261 USD|High: $8,961 USD|Avg: $5,834 USD|-0.5%
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
Retailer 16
October 29, 2026
Retailer 3$4,558 USD
Retailer 6$4,562 USD
Retailer 13$4,674 USD
Retailer 11$4,890 USD
Retailer 9$5,072 USD
Retailer 1$5,318 USD
Retailer 12$5,434 USD
Retailer 8$5,590 USD
Retailer 15$5,590 USD
Retailer 7$5,650 USD
Retailer 16$5,770 USD
Retailer 4$5,969 USD
Retailer 10$6,159 USD
Retailer 5$6,355 USD
Retailer 14$7,970 USD
Retailer 2$8,693 USD

28 data points across 16 retailers

18 retailers$4,558 USD to $8,693 USD

A
Cheapest Retailer
-
$4,558 USD
Final sale: no returns
A
Retailer 2
-
$4,562 USD
View
A
Retailer 3
-
$4,674 USD
CA$6,492 CAD
View
A
Retailer 4
-
$4,890 USD
View
A
Retailer 5
-
$5,072 USD
View
A
Retailer 6
-
$5,318 USD
£4,187 GBP
View
A
Retailer 7
-
$5,434 USD
View
B+
Retailer 8
-
$5,590 USD
View
B+
Retailer 9
-
$5,590 USD
View
B+
Retailer 10
-
$5,650 USD
View
B+
Retailer 11
-
$5,770 USD
View
B+
Retailer 12
-
$5,969 USD
£4,700 GBP
View
B+
Retailer 13
-
$6,159 USD
€5,866 EUR
View
B+
Retailer 14
-
$6,355 USD
£5,004 GBP
View
B+
Retailer 15
-
$7,970 USD
View
B
Retailer 16
-
$8,693 USD
£6,845 GBP
View
B
Retailer 17
-
$9,297 USD
View
Price last confirmed 26 days ago
Most Expensive
B
NZ Jewellers
9a0222ad-8ad8-4cec-a460-ae43c501a30f · Sep 15
$9,297 USD
View
Price last confirmed 44 days ago
17 more retailers have this diamond
Prices start from $4,558 USDSave up to $4,135 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
1.05ct Round
$4,558 USD