Round|Natural|GIA

1.25ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 6555673708

Certificate GIA 6555673708

Diamond specifications and retailer prices

From $7,630 AUD
As of November 4, 2026
Save $6,021 AUD (44%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $13,651 AUD at Wholesale Diamonds Direct · As of November 4, 2026
View at Wholesale Diamonds Direct

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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6555673708. Listed at 13 retailers as of November 4, 2026, with prices from $7,630 to $13,651, a $6,021 spread on the same certified stone. Wholesale Diamonds Direct lists it at $13,651. 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

1.25
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 6555673708
Dimensions6.90 × 6.95 × 4.27 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Needle, Feather
Top View
6.90 mm6.95 mm1.25 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6555673708
Side View
Table 59.0%Crown 34°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 61.7%

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: Nov 4
Current: $9,110 AUD|Low: $7,630 AUD|High: $13,651 AUD|Avg: $9,851 AUD|+0.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Wholesale Diamonds Direct
November 6, 2026
Retailer 6$7,630 AUD
Retailer 7$8,150 AUD
Retailer 3$8,911 AUD
Retailer 1$9,110 AUD
Retailer 9$9,114 AUD
Retailer 8$9,260 AUD
Retailer 5$9,635 AUD
Retailer 2$9,742 AUD
Retailer 11$9,742 AUD
Retailer 10$10,071 AUD
Retailer 4$11,782 AUD
Wholesale Diamonds Direct$13,651 AUD

42 data points across 12 retailers

13 retailers$7,630 AUD to $13,651 AUD

B+
Cheapest Retailer
-
$7,630 AUD
B+
Retailer 2
-
$8,150 AUD
View
B+
Retailer 3
-
$8,911 AUD
View
B+
Retailer 4
-
$9,110 AUD
View
B+
Retailer 5
-
$9,114 AUD
View
B+
Retailer 6
-
$9,260 AUD
View
B+
Retailer 7
-
$9,635 AUD
View
B+
Retailer 8
-
$9,742 AUD
View
B+
Retailer 9
-
$9,742 AUD
View
B+
Retailer 10
-
$9,884 AUD
View
B+
Retailer 11
-
$10,071 AUD
View
B
Retailer 12
-
$11,782 AUD
View
Most Expensive
B
Wholesale Diamonds Direct
262123895 · Nov 4
$13,651 AUD
$9,556 USD
View
12 more retailers have this diamond
Prices start from $7,630 AUDSave up to $6,021 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+
1.25ct Round
$7,630 AUD