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Oval|Natural|GIA

1.50ct D SI1 Oval Natural Diamond

EX • D/SI1 • GIA 7551748384

Certificate GIA 7551748384

Diamond specifications and retailer prices

From $11,188 AUD
HK$61,400 HKD
As of October 30, 2026
Save $10,281 AUD (48%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $21,469 AUD at With Clarity · As of October 30, 2026
View at With Clarity

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 7551748384. Listed at 24 retailers as of October 30, 2026, with prices from $11,188 to $21,469, a $10,281 spread on the same certified stone. With Clarity lists it at $21,469. 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
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.85°
Pavilion angle34.73°
OriginNatural
Grading LabGIA
CertificateGIA 7551748384
Dimensions8.75 × 6.25 × 3.90 mm
L/W Ratio1.40
Culet sizeNone
Key to symbols
Crystal, Feather
Top View
8.75 mm6.25 mm1.50 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7551748384
Side View
Table 63.0%Crown 41.85°Girdle: MED-VTKPavilion 34.73°Culet: NoneDepth 62.5%

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 30
Current: $13,657 AUD|Low: $11,431 AUD|High: $19,293 AUD|Avg: $14,610 AUD|-1.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 6$11,460 AUD
Retailer 11$12,865 AUD
Retailer 2$12,967 AUD
Retailer 4$13,342 AUD
Retailer 9$13,403 AUD
Retailer 3$13,472 AUD
Retailer 1$13,657 AUD
Retailer 7$15,380 AUD
Retailer 10$16,715 AUD
Retailer 5$17,931 AUD
Retailer 8$19,165 AUD

23 data points across 11 retailers

24 retailers$11,188 AUD to $21,469 AUD

A
Cheapest Retailer
-
$11,188 AUD
HK$61,400 HKD
A
Retailer 2
-
$11,460 AUD
₹766,694 INR
View
Retailer 3
-
$12,372 AUD
SGD 11,744 SGD
View
Price last confirmed 20 days ago
B+
Retailer 4
-
$12,615 AUD
$8,861 USD
View
B+
Retailer 5
-
$12,865 AUD
$9,037 USD
View
B+
Retailer 6
-
$12,955 AUD
$9,100 USD
View
B+
Retailer 7
-
$12,967 AUD
SGD 12,309 SGD
View
B+
Retailer 8
-
$13,342 AUD
£7,379 GBP
View
B+
Retailer 9
-
$13,346 AUD
$9,375 USD
View
Retailer 10
-
$13,403 AUD
View
Price last confirmed 8 days ago
B+
Retailer 11
-
$13,472 AUD
$9,463 USD
View
Final sale: no returns
B+
Retailer 12
-
$13,473 AUD
$9,464 USD
View
B+
Retailer 13
-
$13,657 AUD
£7,554 GBP
View
B+
Retailer 14
-
$14,581 AUD
$10,242 USD
View
B+
Retailer 15
-
$14,596 AUD
$10,253 USD
View
B+
Retailer 16
-
$14,820 AUD
$10,410 USD
View
B+
Retailer 17
-
$14,929 AUD
$10,487 USD
View
B+
Retailer 18
-
$15,339 AUD
$10,775 USD
View
B+
Retailer 19
-
$15,380 AUD
€10,289 EUR
View
B
Retailer 20
-
$16,841 AUD
$11,830 USD
View
B
Retailer 21
-
$17,931 AUD
ZAR 203,487 ZAR
View
B
Retailer 22
-
$19,165 AUD
£10,600 GBP
View
B
Retailer 23
-
$20,343 AUD
$14,290 USD
View
Most Expensive
B
With Clarity
7551748384 · Oct 30
$21,469 AUD
$15,081 USD
View
23 more retailers have this diamond
Prices start from $11,188 AUDSave up to $10,281 AUD

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
$11,188 AUD