Oval|Natural|GIA

1.50ct I SI1 Oval Natural Diamond

EX • I/SI1 • GIA 1568061758

Certificate GIA 1568061758

Diamond specifications and retailer prices

From $4,149 USD
SGD 5,607 SGD
As of October 31, 2026
Save $4,389 USD (51%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $8,538 USD at Wholesale Diamonds Direct · As of October 26, 2026
View at Wholesale Diamonds Direct

About this 1.5ct natural oval diamond

This 1.5ct natural oval sits in the one-and-a-half to two carat band, graded I 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 1568061758. Listed at 13 retailers as of October 26, 2026, with prices from $4,149 to $8,538, a $4,389 spread on the same certified stone. Wholesale Diamonds Direct lists it at $8,538. 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
I
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.07°
Pavilion angle39.69°
OriginNatural
Grading LabGIA
CertificateGIA 1568061758
Dimensions8.81 × 6.33 × 3.97 mm
L/W Ratio1.39
Culet sizeNone
Top View
8.81 mm6.33 mm1.50 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1568061758
Side View
Table 59.0%Crown 40.07°Girdle: MED-THKPavilion 39.69°Culet: NoneDepth 62.8%

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 31
Current: $5,321 USD|Low: $4,149 USD|High: $9,406 USD|Avg: $5,908 USD|-10.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Wholesale Diamonds Direct
November 1, 2026
Retailer 11$4,149 USD
Retailer 4$4,737 USD
Retailer 8$4,740 USD
Retailer 6$4,878 USD
Retailer 7$4,988 USD
Retailer 3$5,140 USD
Retailer 1$5,321 USD
Retailer 9$5,630 USD
Retailer 2$5,884 USD
Retailer 12$5,892 USD
Retailer 5$6,064 USD
Retailer 10$7,944 USD
Wholesale Diamonds Direct$8,538 USD

30 data points across 13 retailers

13 retailers$4,149 USD to $8,538 USD

A
Cheapest Retailer
-
$4,149 USD
SGD 5,607 SGD
A
Retailer 2
-
$4,737 USD
View
A
Retailer 3
-
$4,740 USD
View
A
Retailer 4
-
$4,878 USD
View
A
Retailer 5
-
$4,988 USD
View
A
Retailer 6
-
$5,140 USD
SGD 6,946 SGD
View
A
Retailer 7
-
$5,321 USD
£4,190 GBP
View
B+
Retailer 8
-
$5,630 USD
View
B+
Retailer 9
-
$5,884 USD
View
B+
Retailer 10
-
$5,892 USD
View
B+
Retailer 11
-
$6,064 USD
€5,775 EUR
View
B+
Retailer 12
-
$7,944 USD
View
Most Expensive
B
Wholesale Diamonds Direct
387256999 · Oct 26
$8,538 USD
View
12 more retailers have this diamond
Prices start from $4,149 USDSave up to $4,389 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
$4,149 USD