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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 $10,224 USD
As of November 6, 2026
Save $3,228 USD (24%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $13,452 USD 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 $10,224 to $13,452, a $3,228 spread on the same certified stone. 77 Diamonds lists it at $13,452. 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: $13,452 USD|Low: $10,224 USD|High: $13,674 USD|Avg: $11,893 USD|+0.8%
77 Diamonds
Retailer 2
November 7, 2026
Retailer 2$10,224 USD
77 Diamonds$13,452 USD

33 data points across 2 retailers

4 retailers$10,224 USD to $13,452 USD

B
Cheapest Retailer
-
$10,224 USD
B
Retailer 2
-
$10,985 USD
View
B
Retailer 3
-
$11,159 USD
View
Most Expensive
B
77 Diamonds
RADZS2ZTCDUW · Nov 7
$13,452 USD
£10,593 GBP
View
3 more retailers have this diamond
Prices start from $10,224 USDSave up to $3,228 USD

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
$10,224 USD