Round|Natural|GIA

1.50ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 5553557315

Certificate GIA 5553557315

Diamond specifications and retailer prices

From $6,877 SGD
As of October 29, 2026
Save $7,738 SGD (53%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $14,614 SGD at Wholesale Diamonds Direct · As of October 26, 2026
View at Wholesale Diamonds Direct

About this 1.5ct natural round diamond

This 1.5ct natural round sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5553557315. Listed at 16 retailers as of October 26, 2026, with prices from $6,877 to $14,614, a $7,738 spread on the same certified stone. Wholesale Diamonds Direct lists it at $14,614. 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

1.50
Carat
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 5553557315
Dimensions7.23 × 7.28 × 4.55 mm
L/W Ratio1.01
Culet sizeNone
Top View
7.23 mm7.28 mm1.50 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5553557315
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.7%

Caratlytics Score

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

Price History

Last verified: Oct 29
Current: $7,275 SGD|Low: $6,877 SGD|High: $14,614 SGD|Avg: $9,311 SGD|-7.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Wholesale Diamonds Direct
October 28, 2026
Retailer 4$6,877 SGD
Retailer 9$6,954 SGD
Retailer 11$7,157 SGD
Retailer 1$7,275 SGD
Retailer 6$7,366 SGD
Retailer 5$7,441 SGD
Retailer 7$7,746 SGD
Retailer 12$8,683 SGD
Retailer 2$8,723 SGD
Retailer 8$8,726 SGD
Retailer 3$11,289 SGD
Retailer 10$11,849 SGD
Wholesale Diamonds Direct$12,788 SGD

34 data points across 13 retailers

16 retailers$6,877 SGD to $14,614 SGD

A
Cheapest Retailer
-
$6,877 SGD
A
Retailer 2
-
$6,954 SGD
$5,424 USD
View
A
Retailer 3
-
$7,157 SGD
View
A
Retailer 4
-
$7,275 SGD
$5,675 USD
View
A
Retailer 5
-
$7,366 SGD
$5,745 USD
View
A
Retailer 6
-
$7,441 SGD
$5,804 USD
View
A
Retailer 7
-
$7,746 SGD
£4,757 GBP
View
A
Retailer 8
-
$8,683 SGD
$6,773 USD
View
A
Retailer 9
-
$8,723 SGD
$6,804 USD
View
A
Retailer 10
-
$8,726 SGD
€6,482 EUR
View
B+
Retailer 11
-
$9,906 SGD
$7,726 USD
View
B+
Retailer 12
-
$11,289 SGD
$8,805 USD
View
B+
Retailer 13
-
$11,849 SGD
$9,242 USD
View
B+
Retailer 14
-
$12,788 SGD
$9,974 USD
View
B
Retailer 15
-
$13,372 SGD
$10,430 USD
View
Most Expensive
B
Wholesale Diamonds Direct
550937395 · Oct 26
$14,614 SGD
$11,399 USD
View
15 more retailers have this diamond
Prices start from $6,877 SGDSave up to $7,738 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
1.50ct Round
$6,877 SGD