Round|Natural|GIA

1.25ct I VS1 Round Natural Diamond

EX • I/VS1 • GIA 5533178539

Certificate GIA 5533178539

Diamond specifications and retailer prices

From $3,712 USD
As of November 6, 2026
Save $3,685 USD (50%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $8,114 USD at NZ Jewellers · As of September 19, 2026
View at NZ Jewellers

About this 1.25ct natural round diamond

This 1.25ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 5533178539. Listed at 16 retailers as of November 4, 2026, with a 99% 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

1.25
Carat
I
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 5533178539
Dimensions6.79 × 6.84 × 4.28 mm
L/W Ratio1.01
Top View
6.79 mm6.84 mm1.25 ctI / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 5533178539
Side View
Table 57.0%CrownGirdle: Slightly ThickPavilion 40.6°Culet: NoneDepth 62.7%

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: Nov 6
Current: $5,682 USD|Low: $3,570 USD|High: $7,506 USD|Avg: $5,049 USD|+1.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 8$3,894 USD
Retailer 10$4,219 USD
Retailer 7$4,466 USD
Retailer 5$4,556 USD
Retailer 9$4,694 USD
Retailer 2$5,144 USD
Retailer 3$5,187 USD
Retailer 4$5,236 USD
Retailer 1$5,682 USD
Retailer 6$7,397 USD

30 data points across 10 retailers

16 retailers$3,712 USD to $7,397 USD

A
Cheapest Retailer
-
$3,712 USD
A
Retailer 2
-
$3,894 USD
View
Final sale: no returns
Retailer 3
-
$4,219 USD
View
Price last confirmed 50 days ago
Retailer 4
-
$4,466 USD
View
Price last confirmed 7 days ago
Retailer 5
-
$4,466 USD
View
Price last confirmed 39 days ago
A
Retailer 6
-
$4,466 USD
View
Retailer 7
-
$4,466 USD
View
Price last confirmed 23 days ago
A
Retailer 8
-
$4,556 USD
View
Retailer 9
-
$4,694 USD
View
Price last confirmed 28 days ago
Retailer 10
-
$4,868 USD
View
Price last confirmed 48 days ago
Retailer 11
-
$5,144 USD
View
Price last confirmed 14 days ago
B+
Retailer 12
-
$5,187 USD
View
B+
Retailer 13
-
$5,236 USD
View
B+
Retailer 14
-
$5,682 USD
View
B
Retailer 15
-
$7,397 USD
View
Most Expensive
NZ Jewellers
5d140b0d-9eb0-48ce-a107-ef5cf8791d2f · Sep 19
$8,114 USD
View
Price last confirmed 48 days ago
15 more retailers have this diamond
Prices start from $3,712 USDSave up to $3,685 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
1.25ct Round
$3,712 USD