Oval|Natural|GIA

1.50ct G SI1 Oval Natural Diamond

EX • G/SI1 • GIA 1559181453

Certificate GIA 1559181453

Diamond specifications and retailer prices

From $5,479 USD
₹521,813 INR
As of November 1, 2026
Save $1,429 USD (21%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $6,908 USD at GemTrove · As of October 31, 2026
View at GemTrove

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 1559181453. Listed at 8 retailers as of October 31, 2026, with prices from $5,479 to $6,908, a $1,429 spread on the same certified stone. GemTrove lists it at $6,908. 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 (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1559181453
Dimensions8.70 × 6.30 × 4.09 mm
L/W Ratio1.38
Culet sizeNone
Key to symbols
Crystal, Cloud, Needle, Indented Natural
Top View
8.70 mm6.30 mm1.50 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1559181453
Side View
Table 62.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 65.0%

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: Nov 1
Current: $5,479 USD|Low: $5,112 USD|High: $6,997 USD|Avg: $6,008 USD|-1.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 1$5,479 USD
Retailer 3$5,541 USD
Retailer 4$5,775 USD
Retailer 5$5,962 USD
Retailer 2$6,047 USD
Retailer 7$6,082 USD
Retailer 6$6,771 USD

46 data points across 7 retailers

8 retailers$5,479 USD to $6,908 USD

A
Cheapest Retailer
-
$5,479 USD
₹521,813 INR
A
Retailer 2
-
$5,541 USD
SGD 7,488 SGD
View
A
Retailer 3
-
$5,775 USD
View
B+
Retailer 4
-
$5,962 USD
View
Final sale: no returns
A
Retailer 5
-
$6,047 USD
£4,762 GBP
View
A
Retailer 6
-
$6,082 USD
MYR 24,772 MYR
View
B+
Retailer 7
-
$6,771 USD
View
Most Expensive
B+
GemTrove
GT-N-01286400-98 · Oct 31
$6,908 USD
A$10,628 AUD
View
7 more retailers have this diamond
Prices start from $5,479 USDSave up to $1,429 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
$5,479 USD