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Radiant|Natural|GIA

1.31ct D SI1 Radiant Natural Diamond

ID • D/SI1 • GIA 6561542175

Certificate GIA 6561542175

Diamond specifications and retailer prices

From $5,094 USD
As of November 6, 2026
Save $6,073 USD (54%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $11,167 USD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.31ct natural radiant diamond

This 1.31ct natural radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded D 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 6561542175. Listed at 24 retailers as of November 5, 2026, with prices from $5,094 to $11,167, a $6,073 spread on the same certified stone. NZ Jewellers lists it at $11,167. 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

1.31
Carat
D
Color
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.74°
Pavilion angle54.25°
OriginNatural
Grading LabGIA
CertificateGIA 6561542175
Dimensions7.60 × 5.38 × 3.70 mm
L/W Ratio1.41
Culet sizeNone
Key to symbols
Crystal, Feather
Top View
7.60 mm5.38 mm1.31 ctD / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6561542175
Side View
Table 62.0%Crown 47.74°Girdle: STK-STKPavilion 54.25°Culet: NoneDepth 68.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $11,167 USD|Low: $5,043 USD|High: $11,167 USD|Avg: $6,974 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 7, 2026
Retailer 18$5,094 USD
Retailer 12$5,106 USD
Retailer 17$5,545 USD
Retailer 5$5,650 USD
Retailer 19$5,923 USD
Retailer 9$6,162 USD
Retailer 6$6,195 USD
Retailer 2$6,341 USD
Retailer 13$6,477 USD
Retailer 10$6,560 USD
Retailer 4$6,677 USD
Retailer 7$6,780 USD
Retailer 11$6,835 USD
Retailer 3$6,925 USD
Retailer 14$7,254 USD
Retailer 15$8,146 USD
Retailer 8$9,672 USD
Retailer 16$9,810 USD
NZ Jewellers$11,167 USD

23 data points across 19 retailers

24 retailers$5,094 USD to $11,167 USD

A
Cheapest Retailer
-
$5,094 USD
A
Retailer 2
-
$5,106 USD
View
B+
Retailer 3
-
$5,545 USD
View
B+
Retailer 4
-
$5,633 USD
View
B+
Retailer 5
-
$5,650 USD
View
B+
Retailer 6
-
$5,823 USD
View
B+
Retailer 7
-
$5,923 USD
View
B+
Retailer 8
-
$6,162 USD
View
Final sale: no returns
Retailer 9
-
$6,163 USD
View
Price last confirmed 9 days ago
B+
Retailer 10
-
$6,195 USD
View
B+
Retailer 11
-
$6,341 USD
View
B+
Retailer 12
-
$6,477 USD
View
B+
Retailer 13
-
$6,560 USD
View
B+
Retailer 14
-
$6,677 USD
View
B+
Retailer 15
-
$6,780 USD
View
B
Retailer 16
-
$6,835 USD
View
B
Retailer 17
-
$6,836 USD
View
B+
Retailer 18
-
$6,925 USD
View
B+
Retailer 19
-
$7,254 USD
View
B
Retailer 20
-
$7,704 USD
View
B
Retailer 21
-
$8,146 USD
View
B
Retailer 22
-
$9,672 USD
View
B
Retailer 23
-
$9,810 USD
View
Most Expensive
B
NZ Jewellers
84cb34aa-0d74-4df5-a106-0b0c567a3de4 · Nov 5
$11,167 USD
View
23 more retailers have this diamond
Prices start from $5,094 USDSave up to $6,073 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.

A
1.31ct Radiant
$5,094 USD