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Round|Natural|GIA

1.25ct L SI1 Round Natural Diamond

EX • L/SI1 • GIA 2566367099

Certificate GIA 2566367099

Diamond specifications and retailer prices

From $3,238 NZD
As of November 4, 2026
Save $1,245 NZD (28%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $4,483 NZD at Yorxs · As of November 5, 2026
View at Yorxs

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 L colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2566367099. Listed at 4 retailers as of November 4, 2026, with prices from $3,238 to $4,483, a $1,245 spread on the same certified stone. Yorxs lists it at $4,483. 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
L
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2566367099
Dimensions6.86 × 6.80 × 4.30 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Cloud, Indented Natural, Natural
Top View
6.86 mm6.80 mm1.25 ctL / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2566367099
Side View
Table 58.0%Crown 35.5°Girdle: Med. - Sli. ThickPavilion 41.2°Culet: NDepth 62.9%

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: $3,570 NZD|Low: $3,238 NZD|High: $4,840 NZD|Avg: $3,790 NZD|-6.7%
Retailer 1
Retailer 2
Retailer 3
Yorxs
November 6, 2026
Retailer 3$3,238 NZD
Retailer 2$3,415 NZD
Retailer 1$3,570 NZD
Yorxs$4,483 NZD

34 data points across 4 retailers

4 retailers$3,238 NZD to $4,483 NZD

B+
Cheapest Retailer
-
$3,238 NZD
B+
Retailer 2
-
$3,415 NZD
View
B+
Retailer 3
-
$3,570 NZD
View
Most Expensive
B
Yorxs
C8DDE3E99 · Nov 5
$4,483 NZD
€2,400 EUR
View
3 more retailers have this diamond
Prices start from $3,238 NZDSave up to $1,245 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.

B+
1.25ct Round
$3,238 NZD