Round|Natural|GIA

1.28ct G IF Round Natural Diamond

EX • G/IF • GIA 1543750667

Certificate GIA 1543750667

Diamond specifications and retailer prices

From $9,401 SGD
As of November 4, 2026
Save $10,830 SGD (54%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $20,231 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 G colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 1543750667. Listed at 8 retailers as of November 4, 2026, with prices from $9,401 to $20,231, a $10,830 spread on the same certified stone. NZ Jewellers lists it at $20,231. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
G
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1543750667
Dimensions6.90 × 6.93 × 4.29 mm
L/W Ratio1.00
Star length50%
Top View
6.90 mm6.93 mm1.28 ctG / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1543750667
Side View
Table 58.0%Crown 35.5°Girdle: STK-STKPavilion 40.6°Culet: NoneDepth 62.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $20,231 SGD|Low: $8,903 SGD|High: $20,231 SGD|Avg: $13,211 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 4, 2026
Retailer 5$9,401 SGD
Retailer 8$10,826 SGD
Retailer 4$11,166 SGD
Retailer 7$12,215 SGD
Retailer 3$12,634 SGD
Retailer 6$13,119 SGD
Retailer 2$16,812 SGD
NZ Jewellers$20,231 SGD

24 data points across 8 retailers

8 retailers$9,401 SGD to $20,231 SGD

A
Cheapest Retailer
-
$9,401 SGD
A
Retailer 2
-
$10,826 SGD
View
A
Retailer 3
-
$11,166 SGD
View
Final sale: no returns
A
Retailer 4
-
$12,215 SGD
View
A
Retailer 5
-
$12,634 SGD
View
B+
Retailer 6
-
$13,119 SGD
View
B+
Retailer 7
-
$16,812 SGD
View
Most Expensive
B
NZ Jewellers
4ea21e07-7513-4ebf-aefe-6dbced2c2072 · Nov 5
$20,231 SGD
$15,839 USD
View
7 more retailers have this diamond
Prices start from $9,401 SGDSave up to $10,830 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
$9,401 SGD