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Oval|Natural|GIA

1.50ct H SI1 Oval Natural Diamond

ID • H/SI1 • GIA 6545177251

Certificate GIA 6545177251

Diamond specifications and retailer prices

From $6,020 USD
Save $7,117 USD (54%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $13,137 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 H 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 6545177251. Listed at 20 retailers, with prices from $6,020 to $13,137 at NZ Jewellers, a $7,117 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
H
Color
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6545177251
Dimensions9.08 × 6.52 × 4.00 mm
L/W Ratio1.39
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Cloud, Needle, Indented Natural, Natural
Top View
9.08 mm6.52 mm1.50 ctH / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6545177251
Side View
Table 63.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 61.3%

Caratlytics Score

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

Price History

Last verified: Oct 1
Current: $13,137 USD|Low: $6,020 USD|High: $13,137 USD|Avg: $7,798 USD
NZ Jewellers
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
October 1, 2026
Retailer 5$6,020 USD
Retailer 3$6,177 USD
Retailer 8$6,568 USD
Retailer 19$6,735 USD
Retailer 7$6,820 USD
Retailer 11$6,994 USD
Retailer 6$7,116 USD
Retailer 4$7,185 USD
Retailer 16$7,225 USD
Retailer 17$7,461 USD
Retailer 15$7,491 USD
Retailer 10$7,513 USD
Retailer 13$7,619 USD
Retailer 9$8,210 USD
Retailer 12$8,420 USD
Retailer 14$9,471 USD
Retailer 2$10,954 USD
Retailer 18$11,078 USD
NZ Jewellers$13,137 USD

29 data points across 19 retailers

20 retailers$6,020 USD to $13,137 USD

B+
Cheapest Retailer
-
$6,020 USD
B+
Retailer 2
-
$6,177 USD
View
B+
Retailer 3
-
$6,520 USD
View
Price last confirmed 31 days ago
B+
Retailer 4
-
$6,568 USD
View
B+
Retailer 5
-
$6,735 USD
View
B+
Retailer 6
-
$6,820 USD
View
B+
Retailer 7
-
$6,994 USD
View
B+
Retailer 8
-
$7,116 USD
View
B+
Retailer 9
-
$7,185 USD
View
B+
Retailer 10
-
$7,225 USD
View
B
Retailer 11
-
$7,478 USD
£5,888 GBP
View
B
Retailer 12
-
$7,491 USD
£5,898 GBP
View
B
Retailer 13
-
$7,513 USD
A$11,558 AUD
View
B
Retailer 14
-
$7,619 USD
A$11,722 AUD
View
B
Retailer 15
-
$8,210 USD
View
B+
Retailer 16
-
$8,420 USD
€8,019 EUR
View
B
Retailer 17
-
$9,471 USD
ZAR 153,001 ZAR
View
B
Retailer 18
-
$10,954 USD
£8,625 GBP
View
B
Retailer 19
-
$11,078 USD
£8,723 GBP
View
Most Expensive
B
NZ Jewellers
9427aa61-651f-46c3-b61c-87238e9357f3 · Sep 30
$13,137 USD
View
19 more retailers have this diamond
Prices start from $6,020 USDSave up to $7,117 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.

B+
1.50ct Oval
$6,020 USD