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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 HK$38,995 HKD
$4,970 USD
As of November 1, 2026
Save HK$25,665 HKD (40%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$64,660 HKD at MOH London · As of November 1, 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 HK$38,995 to HK$64,660, a HK$25,665 spread on the same certified stone. MOH London lists it at HK$64,660. 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: HK$64,660 HKD|Low: HK$29,156 HKD|High: HK$67,398 HKD|Avg: HK$44,243 HKD|+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 12HK$31,479 HKD
Retailer 3HK$32,601 HKD
Retailer 14HK$38,446 HKD
Retailer 13HK$38,960 HKD
Retailer 11HK$38,995 HKD
Retailer 7HK$40,147 HKD
Retailer 4HK$40,298 HKD
Retailer 2HK$41,592 HKD
Retailer 9HK$42,794 HKD
Retailer 8HK$44,265 HKD
Retailer 6HK$46,496 HKD
Retailer 10HK$51,127 HKD
MOH LondonHK$64,660 HKD
Retailer 5HK$67,398 HKD

25 data points across 14 retailers

9 retailersHK$38,995 HKD to HK$64,660 HKD

Retailer 1
-
HK$38,960 HKD
A$7,639 AUD
Price last confirmed 29 days ago
B+
Retailer 2
-
HK$38,995 HKD
$4,970 USD
View
B+
Retailer 3
-
HK$40,147 HKD
£4,029 GBP
View
B+
Retailer 4
-
HK$41,592 HKD
$5,301 USD
View
B+
Retailer 5
-
HK$42,794 HKD
$5,454 USD
View
B+
Retailer 6
-
HK$44,265 HKD
€5,373 EUR
View
Retailer 7
-
HK$46,496 HKD
$5,926 USD
View
Price last confirmed 41 days ago
B
Retailer 8
-
HK$51,127 HKD
ZAR 105,271 ZAR
View
Most Expensive
B
MOH London
A5D378394 · Nov 1
HK$64,660 HKD
£6,489 GBP
View
8 more retailers have this diamond
Prices start from HK$38,995 HKDSave up to HK$25,665 HKD

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
HK$38,995 HKD