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Round|Natural|GIA

1.28ct G IF Round Natural Diamond

EX • G/IF • GIA 6482527978

Certificate GIA 6482527978

Diamond specifications and retailer prices

From $11,023 SGD
As of November 1, 2026
Save $19,216 SGD (64%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $30,239 SGD at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

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 6482527978. Listed at 18 retailers as of November 1, 2026, with prices from $11,023 to $30,239, a $19,216 spread on the same certified stone. Diamond Quarter lists it at $30,239. 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 angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6482527978
Dimensions6.96 × 6.91 × 4.33 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
6.96 mm6.91 mm1.28 ctG / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6482527978
Side View
Table 57.0%Crown 36°Girdle: MediumPavilion 40.8°Culet: NoneDepth 62.5%

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 1
Current: $12,944 SGD|Low: $11,023 SGD|High: $19,011 SGD|Avg: $14,220 SGD|-0.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 6$11,023 SGD
Retailer 9$11,917 SGD
Retailer 7$12,027 SGD
Retailer 1$12,944 SGD
Retailer 5$13,232 SGD
Retailer 8$13,232 SGD
Retailer 4$15,105 SGD
Retailer 2$17,549 SGD
Retailer 3$18,735 SGD

42 data points across 9 retailers

18 retailers$11,023 SGD to $30,239 SGD

A
Cheapest Retailer
-
$11,023 SGD
Retailer 2
-
$11,055 SGD
View
Price last confirmed 43 days ago
A
Retailer 3
-
$11,263 SGD
View
A
Retailer 4
-
$11,917 SGD
View
A
Retailer 5
-
$12,027 SGD
View
Final sale: no returns
Retailer 6
-
$12,028 SGD
View
Price last confirmed 8 days ago
A
Retailer 7
-
$12,944 SGD
View
A
Retailer 8
-
$13,031 SGD
View
B+
Retailer 9
-
$13,232 SGD
View
Retailer 10
-
$13,232 SGD
View
Price last confirmed 14 days ago
B+
Retailer 11
-
$14,350 SGD
View
B+
Retailer 12
-
$15,036 SGD
View
B+
Retailer 13
-
$15,105 SGD
View
Retailer 14
-
$15,831 SGD
View
Price last confirmed 14 days ago
B+
Retailer 15
-
$17,549 SGD
View
B+
Retailer 16
-
$18,735 SGD
View
B
Retailer 17
-
$20,049 SGD
View
Most Expensive
B
Diamond Quarter
1.28IFG64785B8DN · Nov 5
$30,239 SGD
£18,641 GBP
View
17 more retailers have this diamond
Prices start from $11,023 SGDSave up to $19,216 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
$11,023 SGD