Oval|Natural|GIA

1.50ct D SI1 Oval Natural Diamond

ID • D/SI1 • GIA 6545526638

Certificate GIA 6545526638

Diamond specifications and retailer prices

From $7,590 USD
HK$59,300 HKD
Save $8,958 USD (54%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $16,548 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6545526638. Listed at 27 retailers, with prices from $7,590 to $16,548 at NZ Jewellers, a $8,958 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
D
Color
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.56°
Pavilion angle36.73°
OriginNatural
Grading LabGIA
CertificateGIA 6545526638
Dimensions8.60 × 6.26 × 4.07 mm
L/W Ratio1.37
Top View
8.60 mm6.26 mm1.50 ctD / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6545526638
Side View
Table 64.0%Crown 41.56°Girdle: STK-VTKPavilion 36.73°Culet: NoneDepth 65.0%

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 27
Current: $16,548 USD|Low: $7,590 USD|High: $16,548 USD|Avg: $10,430 USD
NZ Jewellers
Retailer 2
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Retailer 26
Retailer 27
October 1, 2026
Retailer 16$7,590 USD
Retailer 13$7,861 USD
Retailer 5$8,115 USD
Retailer 15$8,372 USD
Retailer 19$8,396 USD
Retailer 12$8,551 USD
Retailer 11$8,741 USD
Retailer 7$8,820 USD
Retailer 27$9,055 USD
Retailer 10$9,133 USD
Retailer 23$9,193 USD
Retailer 22$9,344 USD
Retailer 3$9,355 USD
Retailer 17$9,890 USD
Retailer 20$9,894 USD
Retailer 26$10,047 USD
Retailer 18$10,118 USD
Retailer 25$10,128 USD
Retailer 9$10,151 USD
Retailer 14$10,403 USD
Retailer 21$10,607 USD
Retailer 6$11,416 USD
Retailer 2$11,476 USD
Retailer 24$11,930 USD
Retailer 4$13,955 USD
Retailer 8$14,270 USD
NZ Jewellers$16,548 USD

20 data points across 27 retailers

27 retailers$7,590 USD to $16,548 USD

A
Cheapest Retailer
-
$7,590 USD
HK$59,300 HKD
A
Retailer 2
-
$7,861 USD
₹748,711 INR
View
B+
Retailer 3
-
$8,115 USD
View
B+
Retailer 4
-
$8,372 USD
View
B+
Retailer 5
-
$8,396 USD
SGD 11,346 SGD
View
B+
Retailer 6
-
$8,551 USD
View
B+
Retailer 7
-
$8,741 USD
SGD 11,812 SGD
View
B+
Retailer 8
-
$8,820 USD
View
B+
Retailer 9
-
$9,055 USD
View
B+
Retailer 10
-
$9,133 USD
View
B+
Retailer 11
-
$9,193 USD
A$14,144 AUD
View
B+
Retailer 12
-
$9,344 USD
£7,358 GBP
View
B+
Retailer 13
-
$9,366 USD
£7,375 GBP
View
B+
Retailer 14
-
$9,890 USD
View
B+
Retailer 15
-
$9,894 USD
View
B
Retailer 16
-
$10,047 USD
View
B
Retailer 17
-
$10,118 USD
View
B+
Retailer 18
-
$10,128 USD
View
B+
Retailer 19
-
$10,151 USD
View
B+
Retailer 20
-
$10,403 USD
View
B+
Retailer 21
-
$10,607 USD
€10,102 EUR
View
B+
Retailer 22
-
$11,416 USD
View
B+
Retailer 23
-
$11,476 USD
₹1,092,979 INR
View
B
Retailer 24
-
$11,930 USD
ZAR 192,724 ZAR
View
B
Retailer 25
-
$13,955 USD
£10,988 GBP
View
B
Retailer 26
-
$14,561 USD
View
Most Expensive
B
NZ Jewellers
fc839084-9101-4a39-9073-29773117fff1 · Sep 30
$16,548 USD
View
26 more retailers have this diamond
Prices start from $7,590 USDSave up to $8,958 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
$7,590 USD