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Round|Natural|GIA

1.51ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 7513772206

Certificate GIA 7513772206

Diamond specifications and retailer prices

From $6,114 SGD
As of November 6, 2026
Save $3,157 SGD (34%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $14,863 SGD at NZ Jewellers · As of September 28, 2026
View at NZ Jewellers

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7513772206. Listed at 18 retailers as of November 2, 2026, with a 52% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.51
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceMedium
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 7513772206
Dimensions7.32 × 7.27 × 4.59 mm
L/W Ratio1.01
Culet sizeNone
Top View
7.32 mm7.27 mm1.51 ctD / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceMedium
CertificateGIA 7513772206
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 63.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: $7,721 SGD|Low: $6,065 SGD|High: $13,058 SGD|Avg: $8,347 SGD|-3.9%
Retailer 1
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
November 5, 2026
Retailer 9$6,114 SGD
Retailer 10$6,813 SGD
Retailer 5$7,200 SGD
Retailer 11$7,325 SGD
Retailer 2$7,399 SGD
Retailer 13$7,415 SGD
Retailer 1$7,721 SGD
Retailer 14$7,846 SGD
Retailer 7$7,887 SGD
Retailer 8$8,020 SGD
Retailer 6$8,714 SGD
Retailer 12$9,272 SGD
Retailer 4$10,664 SGD
Retailer 3$12,590 SGD

32 data points across 14 retailers

18 retailers$6,114 SGD to $9,272 SGD

A
Cheapest Retailer
-
$6,114 SGD
A
Retailer 2
-
$6,813 SGD
View
Retailer 3
-
$7,200 SGD
View
Price last confirmed 23 days ago
A
Retailer 4
-
$7,325 SGD
View
A
Retailer 5
-
$7,399 SGD
View
Retailer 6
-
$7,415 SGD
View
Price last confirmed 7 days ago
A
Retailer 7
-
$7,721 SGD
View
A
Retailer 8
-
$7,887 SGD
View
A
Retailer 9
-
$8,020 SGD
View
Retailer 10
-
$8,203 SGD
View
Price last confirmed 29 days ago
Retailer 11
-
$8,714 SGD
View
Price last confirmed 33 days ago
Retailer 12
-
$8,886 SGD
View
Price last confirmed 39 days ago
Retailer 13
-
$9,023 SGD
View
Price last confirmed 38 days ago
A
Retailer 14
-
$9,272 SGD
View
Retailer 15
-
$10,253 SGD
View
Price last confirmed 38 days ago
Retailer 16
-
$10,664 SGD
View
Price last confirmed 10 days ago
Retailer 17
-
$12,590 SGD
View
Price last confirmed 8 days ago
Most Expensive
NZ Jewellers
6df0276c-c38a-45f7-9185-b9ea45a5031b · Sep 28
$14,863 SGD
$11,636 USD
View
Price last confirmed 39 days ago
17 more retailers have this diamond
Prices start from $6,114 SGDSave up to $3,157 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
1.51ct Round
$6,114 SGD