Oval|Natural|GIA

1.50ct F SI1 Oval Natural Diamond

GD • F/SI1 • GIA 2556237651

Certificate GIA 2556237651

Diamond specifications and retailer prices

From $8,182 USD
A$12,588 AUD
As of November 2, 2026
Save $7,693 USD (48%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $15,875 USD at NZ Jewellers · As of November 2, 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 F colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 2556237651. Listed at 23 retailers as of November 2, 2026, with prices from $8,182 to $15,875, a $7,693 spread on the same certified stone. NZ Jewellers lists it at $15,875. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.50
Carat
F
Color
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2556237651
Dimensions8.97 × 6.41 × 4.03 mm
L/W Ratio1.40
Top View
8.97 mm6.41 mm1.50 ctF / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2556237651
Side View
Table 63.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 62.9%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 2
Current: $15,875 USD|Low: $6,125 USD|High: $15,875 USD|Avg: $8,084 USD
NZ Jewellers
Retailer 2
Retailer 3
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Retailer 9
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Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
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Retailer 18
Retailer 19
Retailer 20
November 2, 2026
Retailer 6$6,125 USD
Retailer 12$6,514 USD
Retailer 4$6,744 USD
Retailer 10$7,179 USD
Retailer 5$7,606 USD
Retailer 9$7,626 USD
Retailer 3$8,150 USD
Retailer 8$8,150 USD
Retailer 11$8,182 USD
Retailer 7$8,420 USD
Retailer 16$8,837 USD
Retailer 17$9,435 USD
Retailer 20$9,604 USD
Retailer 13$10,340 USD
Retailer 18$11,952 USD
Retailer 2$11,997 USD
Retailer 19$12,534 USD
Retailer 15$13,993 USD
Retailer 14$14,876 USD
NZ Jewellers$15,875 USD

27 data points across 20 retailers

23 retailers$8,182 USD to $15,875 USD

Retailer 1
-
$6,125 USD
Price last confirmed 12 days ago
Retailer 2
-
$7,179 USD
SGD 9,702 SGD
View
Price last confirmed 25 days ago
Retailer 3
-
$7,606 USD
MYR 30,980 MYR
View
Price last confirmed 7 days ago
Retailer 4
-
$7,626 USD
View
Price last confirmed 9 days ago
Retailer 5
-
$8,150 USD
View
Price last confirmed 7 days ago
Retailer 6
-
$8,150 USD
View
Price last confirmed 7 days ago
B
Retailer 7
-
$8,182 USD
A$12,588 AUD
View
Retailer 8
-
$8,420 USD
View
Price last confirmed 7 days ago
B
Retailer 9
-
$8,725 USD
View
B
Retailer 10
-
$8,837 USD
View
B
Retailer 11
-
$9,435 USD
View
B
Retailer 12
-
$9,525 USD
View
B
Retailer 13
-
$9,604 USD
View
B
Retailer 14
-
$10,318 USD
View
B
Retailer 15
-
$10,340 USD
£8,142 GBP
View
B
Retailer 16
-
$10,477 USD
View
B
Retailer 17
-
$11,281 USD
View
B
Retailer 18
-
$11,906 USD
View
B
Retailer 19
-
$11,952 USD
View
B
Retailer 20
-
$11,997 USD
€11,426 EUR
View
C
Retailer 21
-
$13,993 USD
ZAR 226,055 ZAR
View
C
Retailer 22
-
$14,876 USD
£11,713 GBP
View
Most Expensive
NZ Jewellers
73195d0e-abb3-44b7-b391-27490a8ac58e · Nov 2
$15,875 USD
View
22 more retailers have this diamond
Prices start from $8,182 USDSave up to $7,693 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.

B
1.50ct Oval
$8,182 USD