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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 $13,103 SGD
As of November 6, 2026
Save $4,138 SGD (24%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $17,241 SGD 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 $13,103 to $17,241, a $4,138 spread on the same certified stone. 77 Diamonds lists it at $17,241. 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
Colour
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: $17,241 SGD|Low: $13,103 SGD|High: $17,525 SGD|Avg: $15,243 SGD|+0.8%
77 Diamonds
Retailer 2
November 7, 2026
Retailer 2$13,103 SGD
77 Diamonds$17,241 SGD

33 data points across 2 retailers

4 retailers$13,103 SGD to $17,241 SGD

B
Cheapest Retailer
-
$13,103 SGD
B
Retailer 2
-
$14,078 SGD
View
B
Retailer 3
-
$14,301 SGD
View
Most Expensive
B
77 Diamonds
RADZS2ZTCDUW · Nov 7
$17,241 SGD
£10,593 GBP
View
3 more retailers have this diamond
Prices start from $13,103 SGDSave up to $4,138 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
1.56ct Radiant
$13,103 SGD