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Round|Natural|GIA

1.50ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 6552881090

Certificate GIA 6552881090

Diamond specifications and retailer prices

From $7,310 USD
As of October 30, 2026
Save $8,817 USD (55%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $16,127 USD at NZ Jewellers · As of October 27, 2026
View at NZ Jewellers

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 6552881090. Listed at 26 retailers as of October 27, 2026, with prices from $7,310 to $16,127, a $8,817 spread on the same certified stone. NZ Jewellers lists it at $16,127. 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 angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6552881090
Dimensions7.27 × 7.30 × 4.57 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Top View
7.27 mm7.30 mm1.50 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552881090
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $9,499 USD|Low: $7,029 USD|High: $13,599 USD|Avg: $9,501 USD|+7.1%
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
Retailer 15
November 1, 2026
Retailer 14$7,550 USD
Retailer 12$7,732 USD
Retailer 15$8,025 USD
Retailer 2$8,593 USD
Retailer 10$8,907 USD
Retailer 13$8,946 USD
Retailer 1$9,499 USD
Retailer 3$9,560 USD
Retailer 5$9,560 USD
Retailer 7$9,770 USD
Retailer 6$9,880 USD
Retailer 8$10,046 USD
Retailer 4$10,616 USD
Retailer 11$11,636 USD
Retailer 9$13,456 USD

42 data points across 15 retailers

26 retailers$7,310 USD to $16,127 USD

B+
Cheapest Retailer
-
$7,310 USD
B+
Retailer 2
-
$7,530 USD
A$11,585 AUD
View
B+
Retailer 3
-
$7,550 USD
View
B+
Retailer 4
-
$7,732 USD
View
Final sale: no returns
B+
Retailer 5
-
$7,764 USD
View
B+
Retailer 6
-
$7,923 USD
CA$11,004 CAD
View
B+
Retailer 7
-
$8,025 USD
View
B+
Retailer 8
-
$8,063 USD
View
B+
Retailer 9
-
$8,593 USD
View
B+
Retailer 10
-
$8,735 USD
View
B+
Retailer 11
-
$8,870 USD
View
Retailer 12
-
$8,907 USD
A$13,703 AUD
View
Price last confirmed 8 days ago
B
Retailer 13
-
$8,946 USD
View
B+
Retailer 14
-
$9,266 USD
View
B+
Retailer 15
-
$9,499 USD
£7,480 GBP
View
B+
Retailer 16
-
$9,560 USD
View
B+
Retailer 17
-
$9,560 USD
View
B+
Retailer 18
-
$9,770 USD
View
B+
Retailer 19
-
$9,880 USD
View
B+
Retailer 20
-
$10,046 USD
€9,568 EUR
View
B
Retailer 21
-
$10,079 USD
View
B
Retailer 22
-
$10,288 USD
View
Retailer 23
-
$10,616 USD
View
Price last confirmed 9 days ago
Retailer 24
-
$11,636 USD
ZAR 187,985 ZAR
View
Price last confirmed 9 days ago
B
Retailer 25
-
$13,456 USD
£10,595 GBP
View
Most Expensive
B
NZ Jewellers
4464d239-44b9-4c6f-8d44-4a71a19c56fa · Oct 27
$16,127 USD
View
25 more retailers have this diamond
Prices start from $7,310 USDSave up to $8,817 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.

B+
1.50ct Round
$7,310 USD