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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 $6,528 SGD
As of November 6, 2026
Save $7,783 SGD (54%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $14,312 SGD 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 $6,528 to $14,312, a $7,783 spread on the same certified stone. NZ Jewellers lists it at $14,312. 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
Colour
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: $14,312 SGD|Low: $6,463 SGD|High: $14,312 SGD|Avg: $8,937 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
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$6,528 SGD
Retailer 12$6,544 SGD
Retailer 17$7,106 SGD
Retailer 5$7,241 SGD
Retailer 19$7,591 SGD
Retailer 9$7,897 SGD
Retailer 6$7,940 SGD
Retailer 2$8,127 SGD
Retailer 13$8,301 SGD
Retailer 10$8,407 SGD
Retailer 4$8,557 SGD
Retailer 7$8,689 SGD
Retailer 11$8,760 SGD
Retailer 3$8,875 SGD
Retailer 14$9,297 SGD
Retailer 15$10,440 SGD
Retailer 8$12,396 SGD
Retailer 16$12,572 SGD
NZ Jewellers$14,312 SGD

23 data points across 19 retailers

24 retailers$6,528 SGD to $14,312 SGD

A
Cheapest Retailer
-
$6,528 SGD
A
Retailer 2
-
$6,544 SGD
View
B+
Retailer 3
-
$7,106 SGD
View
B+
Retailer 4
-
$7,219 SGD
View
B+
Retailer 5
-
$7,241 SGD
View
B+
Retailer 6
-
$7,463 SGD
View
B+
Retailer 7
-
$7,591 SGD
View
B+
Retailer 8
-
$7,897 SGD
View
Final sale: no returns
Retailer 9
-
$7,899 SGD
View
Price last confirmed 9 days ago
B+
Retailer 10
-
$7,940 SGD
View
B+
Retailer 11
-
$8,127 SGD
View
B+
Retailer 12
-
$8,301 SGD
View
B+
Retailer 13
-
$8,407 SGD
View
B+
Retailer 14
-
$8,557 SGD
View
B+
Retailer 15
-
$8,689 SGD
View
B
Retailer 16
-
$8,760 SGD
View
B
Retailer 17
-
$8,761 SGD
View
B+
Retailer 18
-
$8,875 SGD
View
B+
Retailer 19
-
$9,297 SGD
View
B
Retailer 20
-
$9,873 SGD
View
B
Retailer 21
-
$10,440 SGD
View
B
Retailer 22
-
$12,396 SGD
View
B
Retailer 23
-
$12,572 SGD
View
Most Expensive
B
NZ Jewellers
84cb34aa-0d74-4df5-a106-0b0c567a3de4 · Nov 5
$14,312 SGD
$11,167 USD
View
23 more retailers have this diamond
Prices start from $6,528 SGDSave up to $7,783 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.

A
1.31ct Radiant
$6,528 SGD