Oval|Natural|GIA

1.51ct G SI1 Oval Natural Diamond

ID • G/SI1 • GIA 6561710288

Certificate GIA 6561710288

Diamond specifications and retailer prices

From $6,464 USD
HK$50,500 HKD
As of November 1, 2026
Save $8,038 USD (55%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $14,502 USD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.51ct natural oval diamond

This 1.51ct 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 6561710288. Listed at 19 retailers as of October 30, 2026, with prices from $6,464 to $14,502, a $8,038 spread on the same certified stone. NZ Jewellers lists it at $14,502. 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

1.51
Carat
G
Color
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishVery Good
SymmetryVery Good
FluorescenceFaint
Crown angle40.2°
Pavilion angle38.4°
OriginNatural
Grading LabGIA
CertificateGIA 6561710288
Dimensions9.20 × 6.27 × 4.02 mm
L/W Ratio1.47
Girdle conditionFaceted
Culet sizeNone
Top View
9.20 mm6.27 mm1.51 ctG / SI1
OriginNatural
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6561710288
Side View
Table 62.0%Crown 40.2°Girdle: MED-THKPavilion 38.4°Culet: NoneDepth 64.1%

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: Nov 1
Current: $14,502 USD|Low: $6,285 USD|High: $14,502 USD|Avg: $8,741 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
November 2, 2026
Retailer 5$6,464 USD
Retailer 15$6,623 USD
Retailer 9$6,754 USD
Retailer 8$7,543 USD
Retailer 14$7,728 USD
Retailer 3$7,780 USD
Retailer 10$7,880 USD
Retailer 17$7,970 USD
Retailer 12$8,004 USD
Retailer 13$8,013 USD
Retailer 18$8,671 USD
Retailer 11$8,702 USD
Retailer 6$8,917 USD
Retailer 2$8,975 USD
Retailer 4$9,669 USD
Retailer 7$10,005 USD
Retailer 19$10,652 USD
Retailer 16$12,084 USD
NZ Jewellers$14,502 USD

7 data points across 19 retailers

19 retailers$6,464 USD to $14,502 USD

A
Cheapest Retailer
-
$6,464 USD
HK$50,500 HKD
A
Retailer 2
-
$6,623 USD
₹630,733 INR
View
B+
Retailer 3
-
$6,754 USD
A$10,391 AUD
View
B+
Retailer 4
-
$7,543 USD
View
B+
Retailer 5
-
$7,728 USD
View
B+
Retailer 6
-
$7,780 USD
View
B+
Retailer 7
-
$7,880 USD
View
B+
Retailer 8
-
$7,970 USD
View
B+
Retailer 9
-
$8,004 USD
View
Final sale: no returns
B+
Retailer 10
-
$8,013 USD
£6,309 GBP
View
B
Retailer 11
-
$8,671 USD
View
B
Retailer 12
-
$8,702 USD
View
B+
Retailer 13
-
$8,917 USD
View
B+
Retailer 14
-
$8,975 USD
€8,548 EUR
View
B
Retailer 15
-
$9,669 USD
View
B
Retailer 16
-
$10,005 USD
View
B
Retailer 17
-
$10,652 USD
ZAR 172,087 ZAR
View
B
Retailer 18
-
$12,084 USD
£9,515 GBP
View
Most Expensive
B
NZ Jewellers
05ae28cb-bff9-4b6e-a333-6746b85dc833 · Oct 30
$14,502 USD
View
18 more retailers have this diamond
Prices start from $6,464 USDSave up to $8,038 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.

A
1.51ct Oval
$6,464 USD