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Round|Natural|GIA

1.27ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 2554428338

Certificate GIA 2554428338

Diamond specifications and retailer prices

From $8,833 NZD
$4,970 USD
As of November 1, 2026
Save $5,814 NZD (40%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $14,647 NZD at MOH London · As of November 2, 2026
View at MOH London

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 top-tier cut grade and certified by GIA 2554428338. Listed at 9 retailers as of November 1, 2026, with prices from $8,833 to $14,647, a $5,814 spread on the same certified stone. MOH London lists it at $14,647. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.27
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 2554428338
Dimensions6.90 × 6.96 × 4.34 mm
L/W Ratio1.01
Culet sizeNone
Top View
6.90 mm6.96 mm1.27 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2554428338
Side View
Table 58.0%Crown 34.5°Girdle: MediumPavilion 41.8°Culet: NoneDepth 62.6%

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: $14,647 NZD|Low: $6,604 NZD|High: $15,267 NZD|Avg: $10,029 NZD|+0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 2, 2026
Retailer 12$7,131 NZD
Retailer 3$7,385 NZD
Retailer 14$8,709 NZD
Retailer 13$8,825 NZD
Retailer 11$8,833 NZD
Retailer 7$9,094 NZD
Retailer 4$9,128 NZD
Retailer 2$9,421 NZD
Retailer 9$9,694 NZD
Retailer 8$10,027 NZD
Retailer 6$10,532 NZD
Retailer 10$11,581 NZD
MOH London$14,647 NZD
Retailer 5$15,267 NZD

24 data points across 14 retailers

9 retailers$8,833 NZD to $14,647 NZD

Retailer 1
-
$8,825 NZD
A$7,639 AUD
Price last confirmed 29 days ago
B+
Retailer 2
-
$8,833 NZD
$4,970 USD
View
B+
Retailer 3
-
$9,094 NZD
£4,029 GBP
View
B+
Retailer 4
-
$9,421 NZD
$5,301 USD
View
B+
Retailer 5
-
$9,694 NZD
$5,454 USD
View
B+
Retailer 6
-
$10,027 NZD
€5,373 EUR
View
Retailer 7
-
$10,532 NZD
$5,926 USD
View
Price last confirmed 41 days ago
B
Retailer 8
-
$11,581 NZD
ZAR 105,271 ZAR
View
Most Expensive
B
MOH London
A5D378394 · Nov 2
$14,647 NZD
£6,489 GBP
View
8 more retailers have this diamond
Prices start from $8,833 NZDSave up to $5,814 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
$8,833 NZD