Oval|Natural|GIA

1.50ct G SI1 Oval Natural Diamond

EX • G/SI1 • GIA 2554447852

Certificate GIA 2554447852

Diamond specifications and retailer prices

From $9,147 AUD
HK$50,200 HKD
As of November 1, 2026
Save $7,844 AUD (46%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $20,282 AUD at NZ Jewellers · As of September 30, 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 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 2554447852. Listed at 27 retailers as of October 29, 2026, with a 86% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.25°
Pavilion angle36.43°
OriginNatural
Grading LabGIA
CertificateGIA 2554447852
Dimensions8.67 × 6.20 × 4.03 mm
L/W Ratio1.40
Culet sizeNone
Key to symbols
Feather, Cloud, Needle, Pinpoint
Top View
8.67 mm6.20 mm1.50 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2554447852
Side View
Table 63.0%Crown 41.25°Girdle: THK-VTKPavilion 36.43°Culet: NoneDepth 64.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $11,426 AUD|Low: $9,075 AUD|High: $17,103 AUD|Avg: $11,502 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
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
November 2, 2026
Retailer 17$9,147 AUD
Retailer 6$9,326 AUD
Retailer 5$9,495 AUD
Retailer 14$9,606 AUD
Retailer 9$9,727 AUD
Retailer 2$10,136 AUD
Retailer 4$10,140 AUD
Retailer 7$10,318 AUD
Retailer 21$10,726 AUD
Retailer 11$10,801 AUD
Retailer 15$11,356 AUD
Retailer 1$11,426 AUD
Retailer 10$11,628 AUD
Retailer 20$11,635 AUD
Retailer 13$12,517 AUD
Retailer 8$12,688 AUD
Retailer 3$12,841 AUD
Retailer 12$13,247 AUD
Retailer 18$13,356 AUD
Retailer 16$14,898 AUD
Retailer 19$16,991 AUD

30 data points across 21 retailers

27 retailers$9,147 AUD to $16,991 AUD

A
Cheapest Retailer
-
$9,147 AUD
HK$50,200 HKD
B+
Retailer 2
-
$9,326 AUD
$6,551 USD
View
B+
Retailer 3
-
$9,495 AUD
$6,670 USD
View
B+
Retailer 4
-
$9,727 AUD
$6,833 USD
View
B+
Retailer 5
-
$10,136 AUD
$7,120 USD
View
B+
Retailer 6
-
$10,140 AUD
$7,123 USD
View
Final sale: no returns
B+
Retailer 7
-
$10,318 AUD
$7,248 USD
View
Retailer 8
-
$10,667 AUD
SGD 10,126 SGD
View
Price last confirmed 32 days ago
B+
Retailer 9
-
$10,726 AUD
SGD 10,182 SGD
View
B+
Retailer 10
-
$10,801 AUD
$7,587 USD
View
Retailer 11
-
$10,990 AUD
$7,720 USD
View
Price last confirmed 34 days ago
B+
Retailer 12
-
$11,356 AUD
£6,281 GBP
View
B+
Retailer 13
-
$11,426 AUD
£6,320 GBP
View
B+
Retailer 14
-
$11,628 AUD
$8,168 USD
View
Retailer 15
-
$11,635 AUD
View
Price last confirmed 11 days ago
B
Retailer 16
-
$12,021 AUD
$8,444 USD
View
Retailer 17
-
$12,126 AUD
$8,518 USD
View
Price last confirmed 31 days ago
B
Retailer 18
-
$12,193 AUD
$8,565 USD
View
Retailer 19
-
$12,313 AUD
$8,649 USD
View
Price last confirmed 33 days ago
B+
Retailer 20
-
$12,517 AUD
$8,793 USD
View
B+
Retailer 21
-
$12,688 AUD
$8,913 USD
View
B+
Retailer 22
-
$12,841 AUD
$9,020 USD
View
B+
Retailer 23
-
$13,247 AUD
€8,862 EUR
View
Retailer 24
-
$13,993 AUD
$9,829 USD
View
Price last confirmed 33 days ago
B
Retailer 25
-
$14,898 AUD
ZAR 169,064 ZAR
View
B
Retailer 26
-
$16,991 AUD
£9,398 GBP
View
Most Expensive
NZ Jewellers
cb6a3bf4-d8df-459a-a936-4fcebe5ad6e5 · Sep 30
$20,282 AUD
$14,247 USD
View
Price last confirmed 32 days ago
26 more retailers have this diamond
Prices start from $9,147 AUDSave up to $7,844 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
$9,147 AUD