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Oval|Natural|GIA

1.50ct K SI2 Oval Natural Diamond

ID • K/SI2 • GIA 1527991653

Certificate GIA 1527991653

Diamond specifications and retailer prices

From $2,419 USD
As of November 6, 2026
Save $3,046 USD (56%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $5,465 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 K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1527991653. Listed at 16 retailers as of November 5, 2026, with prices from $2,419 to $5,465, a $3,046 spread on the same certified stone. NZ Jewellers lists it at $5,465. 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
K
Color
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1527991653
Dimensions8.83 × 6.30 × 4.04 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Crystal, Cavity, Indented Natural, Needle, Natural
Top View
8.83 mm6.30 mm1.50 ctK / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 1527991653
Side View
Table 62.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 64.2%

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 6
Current: $5,465 USD|Low: $2,393 USD|High: $5,638 USD|Avg: $3,526 USD|-3.1%
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
November 6, 2026
Retailer 14$2,419 USD
Retailer 11$2,526 USD
Retailer 2$2,553 USD
Retailer 8$3,125 USD
Retailer 4$3,137 USD
Retailer 15$3,137 USD
Retailer 10$3,226 USD
Retailer 7$3,257 USD
Retailer 3$3,279 USD
Retailer 9$3,355 USD
Retailer 5$3,390 USD
Retailer 6$3,619 USD
Retailer 13$3,670 USD
Retailer 12$5,231 USD
NZ Jewellers$5,465 USD

24 data points across 15 retailers

16 retailers$2,419 USD to $5,465 USD

A
Cheapest Retailer
-
$2,419 USD
A
Retailer 2
-
$2,526 USD
View
A
Retailer 3
-
$2,553 USD
View
B+
Retailer 4
-
$3,075 USD
View
A
Retailer 5
-
$3,125 USD
View
Retailer 6
-
$3,137 USD
View
Price last confirmed 8 days ago
A
Retailer 7
-
$3,137 USD
View
A
Retailer 8
-
$3,226 USD
View
A
Retailer 9
-
$3,257 USD
View
A
Retailer 10
-
$3,279 USD
View
A
Retailer 11
-
$3,355 USD
View
A
Retailer 12
-
$3,390 USD
View
A
Retailer 13
-
$3,619 USD
View
A
Retailer 14
-
$3,670 USD
View
B
Retailer 15
-
$5,231 USD
View
Most Expensive
B
NZ Jewellers
3f6281e7-5b4a-42f3-bd01-5fa1fbb2067a · Nov 5
$5,465 USD
View
15 more retailers have this diamond
Prices start from $2,419 USDSave up to $3,046 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
$2,419 USD