Oval|Natural|GIA

1.50ct H SI2 Oval Natural Diamond

EX • H/SI2 • GIA 6512887515

Certificate GIA 6512887515

Diamond specifications and retailer prices

From $6,143 USD
As of October 29, 2026
Save $7,690 USD (56%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $13,833 USD at NZ Jewellers · As of October 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6512887515. Listed at 25 retailers as of October 29, 2026, with prices from $6,143 to $13,833, a $7,690 spread on the same certified stone. NZ Jewellers lists it at $13,833. 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
H
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6512887515
Dimensions9.21 × 6.44 × 3.96 mm
L/W Ratio1.43
Top View
9.21 mm6.44 mm1.50 ctH / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 6512887515
Side View
Table 60.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 61.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $13,833 USD|Low: $6,143 USD|High: $13,833 USD|Avg: $8,882 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 9$6,143 USD
Retailer 6$6,607 USD
Retailer 7$7,608 USD
Retailer 8$7,744 USD
Retailer 3$7,788 USD
Retailer 2$8,037 USD
Retailer 5$9,023 USD
Retailer 4$11,589 USD
NZ Jewellers$13,833 USD

43 data points across 9 retailers

25 retailers$6,143 USD to $13,833 USD

B+
Cheapest Retailer
-
$6,143 USD
B+
Retailer 2
-
$6,413 USD
View
B+
Retailer 3
-
$6,534 USD
View
B+
Retailer 4
-
$6,607 USD
View
Final sale: no returns
B+
Retailer 5
-
$6,634 USD
View
B+
Retailer 6
-
$6,880 USD
CA$9,555 CAD
View
B+
Retailer 7
-
$6,916 USD
View
B+
Retailer 8
-
$6,974 USD
View
B
Retailer 9
-
$7,366 USD
View
B+
Retailer 10
-
$7,493 USD
View
B+
Retailer 11
-
$7,608 USD
View
B+
Retailer 12
-
$7,644 USD
View
B
Retailer 13
-
$7,744 USD
View
B+
Retailer 14
-
$7,788 USD
£6,132 GBP
View
B
Retailer 15
-
$7,917 USD
View
B+
Retailer 16
-
$8,037 USD
£6,328 GBP
View
B
Retailer 17
-
$8,270 USD
View
B
Retailer 18
-
$8,270 USD
View
B
Retailer 19
-
$8,348 USD
View
B
Retailer 20
-
$8,540 USD
View
B
Retailer 21
-
$8,646 USD
View
B
Retailer 22
-
$9,023 USD
€8,593 EUR
View
B
Retailer 23
-
$9,118 USD
View
B
Retailer 24
-
$11,589 USD
£9,125 GBP
View
Most Expensive
B
NZ Jewellers
ae189e5f-e719-447a-814f-c49b131cc493 · Oct 30
$13,833 USD
View
24 more retailers have this diamond
Prices start from $6,143 USDSave up to $7,690 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
$6,143 USD