CaratHunter
Plans
Round|Natural|GIA

1.25ct K I1 Round Natural Diamond

EX • K/I1 • GIA 1555077138

Certificate GIA 1555077138

Diamond specifications and retailer prices

From $2,018 SGD
As of November 4, 2026
Save $3,384 SGD (63%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $5,402 SGD at NZ Jewellers · As of November 5, 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 K colour (faint-tinted) and I1 clarity (included), with a top-tier cut grade and certified by GIA 1555077138. Listed at 7 retailers as of November 4, 2026, with prices from $2,018 to $5,402, a $3,384 spread on the same certified stone. NZ Jewellers lists it at $5,402. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.25
Carat
K
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1555077138
Dimensions6.81 × 6.87 × 4.28 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Feather, Crystal, Cloud, Cavity, Needle, Indented Natural
Top View
6.81 mm6.87 mm1.25 ctK / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1555077138
Side View
Table 58.0%Crown 36°GirdlePavilion 40.8°Culet: NoneDepth 62.6%

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 4
Current: $5,402 SGD|Low: $2,018 SGD|High: $5,850 SGD|Avg: $2,985 SGD|-6.8%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 6$2,018 SGD
Retailer 3$2,215 SGD
Retailer 5$2,215 SGD
Retailer 4$2,317 SGD
Retailer 7$2,556 SGD
Retailer 8$2,907 SGD
Retailer 2$3,007 SGD
NZ Jewellers$5,402 SGD

35 data points across 8 retailers

7 retailers$2,018 SGD to $5,402 SGD

A
Cheapest Retailer
-
$2,018 SGD
A
Retailer 2
-
$2,215 SGD
View
Retailer 3
-
$2,215 SGD
View
Price last confirmed 8 days ago
A
Retailer 4
-
$2,317 SGD
View
B+
Retailer 5
-
$2,556 SGD
View
B+
Retailer 6
-
$3,007 SGD
View
Most Expensive
B
NZ Jewellers
9108a912-095e-4554-9121-00f206802627 · Nov 5
$5,402 SGD
$4,229 USD
View
6 more retailers have this diamond
Prices start from $2,018 SGDSave up to $3,384 SGD

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
$2,018 SGD