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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 $10,754 NZD
$6,051 USD
As of November 1, 2026
Save $10,331 NZD (49%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $21,085 NZD 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 $10,754 to $21,085, a $10,331 spread on the same certified stone. Diamond Quarter lists it at $21,085. 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: $13,440 NZD|Low: $10,754 NZD|High: $18,387 NZD|Avg: $13,448 NZD|+2.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 5$10,754 NZD
Retailer 7$11,384 NZD
Retailer 2$11,864 NZD
Retailer 6$12,043 NZD
Retailer 1$13,440 NZD
Retailer 4$15,151 NZD
Retailer 3$18,168 NZD

38 data points across 7 retailers

13 retailers$10,754 NZD to $21,085 NZD

B+
Cheapest Retailer
-
$10,754 NZD
$6,051 USD
B
Retailer 2
-
$11,428 NZD
$6,430 USD
View
B
Retailer 3
-
$11,864 NZD
£5,256 GBP
View
Retailer 4
-
$12,043 NZD
A$10,424 AUD
View
Price last confirmed 32 days ago
Retailer 5
-
$12,331 NZD
$6,938 USD
View
Price last confirmed 32 days ago
Retailer 6
-
$12,521 NZD
$7,045 USD
View
Price last confirmed 34 days ago
B
Retailer 7
-
$12,617 NZD
$7,099 USD
View
B
Retailer 8
-
$13,440 NZD
€7,202 EUR
View
Retailer 9
-
$14,229 NZD
$8,006 USD
View
Price last confirmed 34 days ago
B
Retailer 10
-
$15,151 NZD
ZAR 137,717 ZAR
View
B
Retailer 11
-
$18,168 NZD
£8,049 GBP
View
Retailer 12
-
$20,624 NZD
$11,604 USD
View
Price last confirmed 35 days ago
Most Expensive
B
Diamond Quarter
1.27SI1F64986CCBN · Nov 2
$21,085 NZD
£9,341 GBP
View
12 more retailers have this diamond
Prices start from $10,754 NZDSave up to $10,331 NZD

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
$10,754 NZD