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Round|Natural|GIA

1.27ct F SI1 Round Natural Diamond

VG • F/SI1 • GIA 6481505898

Certificate GIA 6481505898

Diamond specifications and retailer prices

From $7,739 SGD
$6,051 USD
As of November 1, 2026
Save $7,434 SGD (49%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $15,172 SGD at Diamond Quarter · As of November 2, 2026
View at Diamond Quarter

About this 1.27ct natural round diamond

This 1.27ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 6481505898. Listed at 13 retailers as of November 1, 2026, with prices from $7,739 to $15,172, a $7,434 spread on the same certified stone. Diamond Quarter lists it at $15,172. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.27
Carat
F
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryGood
FluorescenceNone
Crown angle34°
Pavilion angle42°
OriginNatural
Grading LabGIA
CertificateGIA 6481505898
Dimensions6.93 × 7.02 × 4.27 mm
L/W Ratio1.01
Star length55%
Lower girdle80%
Top View
6.93 mm7.02 mm1.27 ctF / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryGood
FluorescenceNone
CertificateGIA 6481505898
Side View
Table 63.0%Crown 34°Girdle: MediumPavilion 42°Culet: NoneDepth 61.2%

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 1
Current: $9,671 SGD|Low: $7,739 SGD|High: $13,231 SGD|Avg: $9,677 SGD|+2.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 5$7,739 SGD
Retailer 7$8,191 SGD
Retailer 2$8,537 SGD
Retailer 6$8,666 SGD
Retailer 1$9,671 SGD
Retailer 4$10,902 SGD
Retailer 3$13,073 SGD

38 data points across 7 retailers

13 retailers$7,739 SGD to $15,172 SGD

B+
Cheapest Retailer
-
$7,739 SGD
$6,051 USD
B
Retailer 2
-
$8,223 SGD
$6,430 USD
View
B
Retailer 3
-
$8,537 SGD
£5,256 GBP
View
Retailer 4
-
$8,666 SGD
A$10,424 AUD
View
Price last confirmed 32 days ago
Retailer 5
-
$8,873 SGD
$6,938 USD
View
Price last confirmed 32 days ago
Retailer 6
-
$9,010 SGD
$7,045 USD
View
Price last confirmed 34 days ago
B
Retailer 7
-
$9,079 SGD
$7,099 USD
View
B
Retailer 8
-
$9,671 SGD
€7,202 EUR
View
Retailer 9
-
$10,239 SGD
$8,006 USD
View
Price last confirmed 34 days ago
B
Retailer 10
-
$10,902 SGD
ZAR 137,717 ZAR
View
B
Retailer 11
-
$13,073 SGD
£8,049 GBP
View
Retailer 12
-
$14,840 SGD
$11,604 USD
View
Price last confirmed 35 days ago
Most Expensive
B
Diamond Quarter
1.27SI1F64986CCBN · Nov 2
$15,172 SGD
£9,341 GBP
View
12 more retailers have this diamond
Prices start from $7,739 SGDSave up to $7,434 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.

B+
1.27ct Round
$7,739 SGD