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Round|Natural|GIA

1.50ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 5553557315

Certificate GIA 5553557315

Diamond specifications and retailer prices

From $5,364 USD
SGD 7,248 SGD
As of October 29, 2026
Save $6,035 USD (53%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $11,399 USD 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 $5,364 to $11,399, a $6,035 spread on the same certified stone. Wholesale Diamonds Direct lists it at $11,399. 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
Color
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $5,675 USD|Low: $5,364 USD|High: $11,399 USD|Avg: $7,262 USD|-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$5,364 USD
Retailer 9$5,424 USD
Retailer 11$5,583 USD
Retailer 1$5,675 USD
Retailer 6$5,745 USD
Retailer 5$5,804 USD
Retailer 7$6,042 USD
Retailer 12$6,773 USD
Retailer 2$6,804 USD
Retailer 8$6,806 USD
Retailer 3$8,805 USD
Retailer 10$9,242 USD
Wholesale Diamonds Direct$9,974 USD

34 data points across 13 retailers

16 retailers$5,364 USD to $11,399 USD

A
Cheapest Retailer
-
$5,364 USD
SGD 7,248 SGD
A
Retailer 2
-
$5,424 USD
View
A
Retailer 3
-
$5,583 USD
SGD 7,544 SGD
View
A
Retailer 4
-
$5,675 USD
View
A
Retailer 5
-
$5,745 USD
View
A
Retailer 6
-
$5,804 USD
View
A
Retailer 7
-
$6,042 USD
£4,757 GBP
View
A
Retailer 8
-
$6,773 USD
View
A
Retailer 9
-
$6,804 USD
View
A
Retailer 10
-
$6,806 USD
€6,482 EUR
View
B+
Retailer 11
-
$7,726 USD
View
B+
Retailer 12
-
$8,805 USD
View
B+
Retailer 13
-
$9,242 USD
View
B+
Retailer 14
-
$9,974 USD
View
B
Retailer 15
-
$10,430 USD
View
Most Expensive
B
Wholesale Diamonds Direct
550937395 · Oct 26
$11,399 USD
View
15 more retailers have this diamond
Prices start from $5,364 USDSave up to $6,035 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
1.50ct Round
$5,364 USD