Round|Natural|GIA

1.27ct F SI1 Round Natural Diamond

VG • F/SI1 • GIA 6481505898

Certificate GIA 6481505898

Diamond specifications and retailer prices

From $6,051 USD
As of November 1, 2026
Save $5,813 USD (49%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $11,864 USD 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 $6,051 to $11,864, a $5,813 spread on the same certified stone. Diamond Quarter lists it at $11,864. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $6,676 USD|Low: $6,051 USD|High: $10,345 USD|Avg: $7,564 USD|-1.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 5$6,051 USD
Retailer 7$6,405 USD
Retailer 1$6,676 USD
Retailer 6$6,776 USD
Retailer 3$7,548 USD
Retailer 4$8,525 USD
Retailer 2$10,222 USD

39 data points across 7 retailers

13 retailers$6,051 USD to $11,864 USD

B+
Cheapest Retailer
-
$6,051 USD
B
Retailer 2
-
$6,430 USD
View
B
Retailer 3
-
$6,676 USD
£5,256 GBP
View
Retailer 4
-
$6,776 USD
A$10,424 AUD
View
Price last confirmed 32 days ago
Retailer 5
-
$6,938 USD
View
Price last confirmed 31 days ago
Retailer 6
-
$7,045 USD
View
Price last confirmed 33 days ago
B
Retailer 7
-
$7,099 USD
View
B
Retailer 8
-
$7,548 USD
€7,189 EUR
View
Retailer 9
-
$8,006 USD
View
Price last confirmed 33 days ago
B
Retailer 10
-
$8,525 USD
ZAR 137,717 ZAR
View
B
Retailer 11
-
$10,222 USD
£8,049 GBP
View
Retailer 12
-
$11,604 USD
View
Price last confirmed 35 days ago
Most Expensive
B
Diamond Quarter
1.27SI1F64986CCBN · Nov 2
$11,864 USD
£9,341 GBP
View
12 more retailers have this diamond
Prices start from $6,051 USDSave up to $5,813 USD

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
$6,051 USD