Round|Natural|GIA

1.25ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 6243063402

Certificate GIA 6243063402

Diamond specifications and retailer prices

From $6,717 NZD
As of November 6, 2026
Save $7,961 NZD (54%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $15,706 NZD at NZ Jewellers · As of October 20, 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6243063402. Listed at 11 retailers as of November 4, 2026, with a 119% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6243063402
Dimensions6.83 × 6.86 × 4.26 mm
L/W Ratio1.00
Key to symbols
Crystal, Cloud, Needle
Top View
6.83 mm6.86 mm1.25 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6243063402
Side View
Table 58.0%CrownGirdle: Slightly ThickPavilion 40.6°Culet: NoneDepth 62.2%

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: $15,706 NZD|Low: $6,717 NZD|High: $15,955 NZD|Avg: $10,067 NZD|-1.6%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 2$6,717 NZD
Retailer 7$7,699 NZD
Retailer 8$8,018 NZD
Retailer 10$8,695 NZD
Retailer 4$8,772 NZD
Retailer 11$9,391 NZD
Retailer 3$9,466 NZD
Retailer 9$9,780 NZD
Retailer 5$10,163 NZD
Retailer 6$14,678 NZD
NZ Jewellers$15,706 NZD

32 data points across 11 retailers

11 retailers$6,717 NZD to $14,678 NZD

A
Cheapest Retailer
-
$6,717 NZD
A
Retailer 2
-
$7,699 NZD
View
A
Retailer 3
-
$8,018 NZD
View
Retailer 4
-
$8,695 NZD
View
Price last confirmed 11 days ago
A
Retailer 5
-
$8,772 NZD
View
Retailer 6
-
$9,391 NZD
View
Price last confirmed 17 days ago
Retailer 7
-
$9,466 NZD
View
Price last confirmed 22 days ago
B+
Retailer 8
-
$9,780 NZD
View
B+
Retailer 9
-
$10,163 NZD
View
B
Retailer 10
-
$14,678 NZD
View
Most Expensive
NZ Jewellers
ef11475f-233b-4e89-8447-d2c38c0cf30a · Oct 20
$15,706 NZD
$8,829 USD
View
Price last confirmed 16 days ago
10 more retailers have this diamond
Prices start from $6,717 NZDSave up to $7,961 NZD

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
$6,717 NZD