CaratHunter
Plans
Round|Natural|GIA

1.28ct M SI1 Round Natural Diamond

EX • M/SI1 • GIA 7453705337

Certificate GIA 7453705337

Diamond specifications and retailer prices

From $2,230 SGD
As of November 6, 2026
Save $3,578 SGD (62%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $5,808 SGD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.28ct natural round diamond

This 1.28ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded M colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7453705337. Listed at 7 retailers as of November 5, 2026, with prices from $2,230 to $5,808, a $3,578 spread on the same certified stone. NZ Jewellers lists it at $5,808. 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

1.28
Carat
M
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 7453705337
Dimensions6.95 × 6.90 × 4.30 mm
L/W Ratio1.01
Top View
6.95 mm6.90 mm1.28 ctM / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7453705337
Side View
Table 57.0%CrownGirdlePavilionCulet: NoneDepth 62.1%

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: $5,808 SGD|Low: $2,230 SGD|High: $5,808 SGD|Avg: $3,340 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 3$2,230 SGD
Retailer 6$2,516 SGD
Retailer 7$2,516 SGD
Retailer 4$2,633 SGD
Retailer 10$2,861 SGD
Retailer 5$2,905 SGD
Retailer 2$3,442 SGD
Retailer 9$4,029 SGD
Retailer 8$4,066 SGD
NZ Jewellers$5,808 SGD

27 data points across 10 retailers

7 retailers$2,230 SGD to $5,808 SGD

A
Cheapest Retailer
-
$2,230 SGD
B+
Retailer 2
-
$2,516 SGD
View
B+
Retailer 3
-
$2,633 SGD
View
B
Retailer 4
-
$2,905 SGD
View
B
Retailer 5
-
$3,442 SGD
View
B
Retailer 6
-
$4,029 SGD
View
Most Expensive
C
NZ Jewellers
5e02116b-a3d5-461c-a2b6-f88d2a221da3 · Nov 5
$5,808 SGD
$4,547 USD
View
6 more retailers have this diamond
Prices start from $2,230 SGDSave up to $3,578 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
1.28ct Round
$2,230 SGD