Oval|Natural|GIA

1.50ct K SI1 Oval Natural Diamond

ID • K/SI1 • GIA 2556131069

Certificate GIA 2556131069

Diamond specifications and retailer prices

From $3,098 USD
HK$24,200 HKD
Save $3,884 USD (56%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $6,982 USD at NZ Jewellers
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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2556131069. Listed at 23 retailers, with prices from $3,098 to $6,982 at NZ Jewellers, a $3,884 spread on the same certified stone. 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
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle42.1°
Pavilion angle36.47°
OriginNatural
Grading LabGIA
CertificateGIA 2556131069
Dimensions8.55 × 6.27 × 4.06 mm
L/W Ratio1.36
Key to symbols
Crystal, Feather, Needle
Top View
8.55 mm6.27 mm1.50 ctK / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2556131069
Side View
Table 63.0%Crown 42.1°Girdle: THK-THKPavilion 36.47°Culet: NoneDepth 64.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Sep 29
Current: $6,982 USD|Low: $3,098 USD|High: $7,444 USD|Avg: $4,407 USD|-6.2%
NZ Jewellers
Retailer 2
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Retailer 23
October 1, 2026
Retailer 21$3,098 USD
Retailer 2$3,208 USD
Retailer 11$3,527 USD
Retailer 9$3,533 USD
Retailer 22$3,820 USD
Retailer 10$3,825 USD
Retailer 15$3,941 USD
Retailer 17$3,946 USD
Retailer 5$3,946 USD
Retailer 8$4,007 USD
Retailer 16$4,007 USD
Retailer 20$4,007 USD
Retailer 23$4,068 USD
Retailer 19$4,149 USD
Retailer 14$4,155 USD
Retailer 7$4,252 USD
Retailer 13$4,450 USD
Retailer 4$4,624 USD
Retailer 18$4,832 USD
Retailer 6$5,766 USD
Retailer 12$6,049 USD
Retailer 3$6,783 USD
NZ Jewellers$6,982 USD

30 data points across 23 retailers

23 retailers$3,098 USD to $6,982 USD

A
Cheapest Retailer
-
$3,098 USD
HK$24,200 HKD
A
Retailer 2
-
$3,208 USD
₹305,536 INR
View
B+
Retailer 3
-
$3,527 USD
View
A
Retailer 4
-
$3,533 USD
SGD 4,774 SGD
View
A
Retailer 5
-
$3,820 USD
View
A
Retailer 6
-
$3,825 USD
View
B+
Retailer 7
-
$3,941 USD
SGD 5,326 SGD
View
B+
Retailer 8
-
$3,946 USD
£3,107 GBP
View
B+
Retailer 9
-
$3,946 USD
View
B+
Retailer 10
-
$4,007 USD
View
B+
Retailer 11
-
$4,007 USD
View
B+
Retailer 12
-
$4,007 USD
View
B+
Retailer 13
-
$4,073 USD
£3,207 GBP
View
B+
Retailer 14
-
$4,149 USD
View
B+
Retailer 15
-
$4,155 USD
View
B+
Retailer 16
-
$4,252 USD
View
B+
Retailer 17
-
$4,450 USD
€4,238 EUR
View
B+
Retailer 18
-
$4,624 USD
View
B+
Retailer 19
-
$4,832 USD
ZAR 78,062 ZAR
View
B
Retailer 20
-
$5,884 USD
View
B
Retailer 21
-
$6,049 USD
View
B
Retailer 22
-
$6,783 USD
£5,341 GBP
View
Most Expensive
B
NZ Jewellers
c79617c4-4297-4565-bc5f-ae136c10286b · Sep 30
$6,982 USD
View
22 more retailers have this diamond
Prices start from $3,098 USDSave up to $3,884 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.

A
1.50ct Oval
$3,098 USD