Oval|Natural|GIA

1.50ct G SI1 Oval Natural Diamond

ID • G/SI1 • GIA 1553712813

Certificate GIA 1553712813

Diamond specifications and retailer prices

From $6,153 USD
As of November 6, 2026
Save $6,749 USD (52%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $12,902 USD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.5ct natural oval diamond

This 1.5ct natural oval 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 stated by the retailer rather than the lab and certified by GIA 1553712813. Listed at 19 retailers as of November 5, 2026, with prices from $6,153 to $12,902, a $6,749 spread on the same certified stone. NZ Jewellers lists it at $12,902. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1553712813
Dimensions8.75 × 6.37 × 3.85 mm
L/W Ratio1.37
Girdle conditionFaceted
Top View
8.75 mm6.37 mm1.50 ctG / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1553712813
Side View
Table 62.0%CrownGirdle: STK-ETKPavilionCulet: NDepth 60.4%

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: Nov 6
Current: $12,902 USD|Low: $6,153 USD|High: $12,902 USD|Avg: $8,090 USD
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
November 6, 2026
Retailer 9$6,153 USD
Retailer 18$6,595 USD
Retailer 15$6,668 USD
Retailer 8$7,120 USD
Retailer 10$7,120 USD
Retailer 4$7,121 USD
Retailer 13$7,201 USD
Retailer 2$7,229 USD
Retailer 17$7,437 USD
Retailer 5$7,714 USD
Retailer 3$7,833 USD
Retailer 6$7,877 USD
Retailer 16$8,252 USD
Retailer 11$8,382 USD
Retailer 7$8,901 USD
Retailer 12$9,412 USD
Retailer 14$10,721 USD
NZ Jewellers$12,902 USD

29 data points across 18 retailers

19 retailers$6,153 USD to $12,902 USD

A
Cheapest Retailer
-
$6,153 USD
Retailer 2
-
$6,595 USD
View
Price last confirmed 9 days ago
B+
Retailer 3
-
$6,668 USD
View
B+
Retailer 4
-
$7,120 USD
View
B+
Retailer 5
-
$7,120 USD
View
Final sale: no returns
Retailer 6
-
$7,121 USD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$7,201 USD
View
B+
Retailer 8
-
$7,229 USD
View
Retailer 9
-
$7,437 USD
View
Price last confirmed 15 days ago
B+
Retailer 10
-
$7,714 USD
View
B+
Retailer 11
-
$7,833 USD
View
B+
Retailer 12
-
$7,877 USD
View
B+
Retailer 13
-
$8,252 USD
View
B+
Retailer 14
-
$8,382 USD
View
B+
Retailer 15
-
$8,901 USD
View
Retailer 16
-
$8,971 USD
View
Price last confirmed 70 days ago
B+
Retailer 17
-
$9,412 USD
View
B
Retailer 18
-
$10,721 USD
View
Most Expensive
B
NZ Jewellers
20135593-5a2e-4b91-a929-c6fd93b384ee · Nov 5
$12,902 USD
View
18 more retailers have this diamond
Prices start from $6,153 USDSave up to $6,749 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 Oval
$6,153 USD