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Radiant|Natural|GIA

1.56ct F SI1 Radiant Natural Diamond

EX • F/SI1 • GIA 6127301570

Certificate GIA 6127301570

Diamond specifications and retailer prices

From $14,381 CAD
As of November 6, 2026
Save $4,541 CAD (24%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $18,922 CAD at 77 Diamonds · As of November 7, 2026
View at 77 Diamonds

About this 1.56ct natural radiant diamond

This 1.56ct natural radiant sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6127301570. Listed at 4 retailers as of November 6, 2026, with prices from $14,381 to $18,922, a $4,541 spread on the same certified stone. 77 Diamonds lists it at $18,922. 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

1.56
Carat
F
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6127301570
Dimensions7.86 × 5.98 × 3.94 mm
L/W Ratio1.31
Top View
7.86 mm5.98 mm1.56 ctF / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6127301570
Side View
Table 66.0%CrownGirdle: Very ThickPavilionCuletDepth 65.8%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 6
Current: $18,922 CAD|Low: $14,381 CAD|High: $19,234 CAD|Avg: $16,729 CAD|+0.8%
77 Diamonds
Retailer 2
November 7, 2026
Retailer 2$14,381 CAD
77 Diamonds$18,922 CAD

33 data points across 2 retailers

4 retailers$14,381 CAD to $18,922 CAD

B
Cheapest Retailer
-
$14,381 CAD
B
Retailer 2
-
$15,452 CAD
View
B
Retailer 3
-
$15,696 CAD
View
Most Expensive
B
77 Diamonds
RADZS2ZTCDUW · Nov 7
$18,922 CAD
£10,593 GBP
View
3 more retailers have this diamond
Prices start from $14,381 CADSave up to $4,541 CAD

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
1.56ct Radiant
$14,381 CAD