Round|Natural|GIA

1.27ct F SI1 Round Natural Diamond

VG • F/SI1 • GIA 6481505898

Certificate GIA 6481505898

Diamond specifications and retailer prices

From $8,634 AUD
$6,051 USD
As of November 1, 2026
Save $8,294 AUD (49%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $16,928 AUD 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 $8,634 to $16,928, a $8,294 spread on the same certified stone. Diamond Quarter lists it at $16,928. 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: $10,790 AUD|Low: $8,634 AUD|High: $14,762 AUD|Avg: $10,797 AUD|+2.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 5$8,634 AUD
Retailer 7$9,139 AUD
Retailer 2$9,525 AUD
Retailer 6$9,668 AUD
Retailer 1$10,790 AUD
Retailer 4$12,164 AUD
Retailer 3$14,586 AUD

38 data points across 7 retailers

13 retailers$8,634 AUD to $16,928 AUD

B+
Cheapest Retailer
-
$8,634 AUD
$6,051 USD
B
Retailer 2
-
$9,175 AUD
$6,430 USD
View
B
Retailer 3
-
$9,525 AUD
£5,256 GBP
View
Retailer 4
-
$9,668 AUD
View
Price last confirmed 33 days ago
Retailer 5
-
$9,900 AUD
$6,938 USD
View
Price last confirmed 32 days ago
Retailer 6
-
$10,053 AUD
$7,045 USD
View
Price last confirmed 34 days ago
B
Retailer 7
-
$10,129 AUD
$7,099 USD
View
B
Retailer 8
-
$10,790 AUD
€7,202 EUR
View
Retailer 9
-
$11,424 AUD
$8,006 USD
View
Price last confirmed 34 days ago
B
Retailer 10
-
$12,164 AUD
ZAR 137,717 ZAR
View
B
Retailer 11
-
$14,586 AUD
£8,049 GBP
View
Retailer 12
-
$16,558 AUD
$11,604 USD
View
Price last confirmed 35 days ago
Most Expensive
B
Diamond Quarter
1.27SI1F64986CCBN · Nov 2
$16,928 AUD
£9,341 GBP
View
12 more retailers have this diamond
Prices start from $8,634 AUDSave up to $8,294 AUD

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
$8,634 AUD