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Round|Natural|GIA

1.27ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 5553208216

Certificate GIA 5553208216

Diamond specifications and retailer prices

From $6,358 SGD
CA$6,905 CAD
As of November 2, 2026
Save $1,850 SGD (23%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $8,208 SGD at 77 Diamonds · As of November 2, 2026
View at 77 Diamonds

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 5553208216. Listed at 3 retailers as of November 2, 2026, with prices from $6,358 to $8,208, a $1,850 spread on the same certified stone. 77 Diamonds lists it at $8,208. 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
FluorescenceFaint
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 5553208216
Dimensions6.83 × 6.89 × 4.29 mm
L/W Ratio1.01
Key to symbols
Cloud, Crystal, Feather, Needle
Top View
6.83 mm6.89 mm1.27 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5553208216
Side View
Table 59.0%CrownGirdle: Slightly ThickPavilion 41°Culet: NoneDepth 62.5%

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 2
Current: $8,208 SGD|Low: $3,847 SGD|High: $10,461 SGD|Avg: $7,783 SGD|+4.6%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 11$3,847 SGD
Retailer 3$4,677 SGD
Retailer 4$6,358 SGD
Retailer 5$7,980 SGD
Retailer 7$7,980 SGD
Retailer 8$8,091 SGD
Retailer 2$8,183 SGD
77 Diamonds$8,208 SGD
Retailer 6$10,129 SGD
Retailer 10$10,129 SGD
Retailer 9$10,461 SGD

36 data points across 11 retailers

3 retailers$6,358 SGD to $8,208 SGD

B+
Cheapest Retailer
-
$6,358 SGD
CA$6,905 CAD
B
Retailer 2
-
$8,183 SGD
€6,094 EUR
View
Most Expensive
B
77 Diamonds
RBMBA8APGGYE · Nov 2
$8,208 SGD
£5,054 GBP
View
2 more retailers have this diamond
Prices start from $6,358 SGDSave up to $1,850 SGD

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
$6,358 SGD