CaratHunter
Plans
Oval|Natural|GIA

1.51ct D SI1 Oval Natural Diamond

EX • D/SI1 • GIA 6562231098

Certificate GIA 6562231098

Diamond specifications and retailer prices

From $7,360 USD
As of October 28, 2026
Save $9,447 USD (56%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $16,807 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6562231098. Listed at 27 retailers as of October 28, 2026, with prices from $7,360 to $16,807, a $9,447 spread on the same certified stone. NZ Jewellers lists it at $16,807. 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
D
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38.8°
Pavilion angle38.2°
OriginNatural
Grading LabGIA
CertificateGIA 6562231098
Dimensions8.87 × 6.44 × 4.06 mm
L/W Ratio1.38
Girdle conditionFaceted
Culet sizeNone
Top View
8.87 mm6.44 mm1.51 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6562231098
Side View
Table 61.0%Crown 38.8°Girdle: MED-STKPavilion 38.2°Culet: NoneDepth 63.1%

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: Oct 28
Current: $16,807 USD|Low: $7,309 USD|High: $18,160 USD|Avg: $10,058 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
Retailer 20
Retailer 21
Retailer 22
Retailer 23
Retailer 24
Retailer 25
Retailer 26
October 31, 2026
Retailer 12$7,360 USD
Retailer 8$7,475 USD
Retailer 23$7,590 USD
Retailer 19$7,834 USD
Retailer 3$7,869 USD
Retailer 24$8,032 USD
Retailer 18$8,081 USD
Retailer 16$8,253 USD
Retailer 20$8,355 USD
Retailer 25$8,404 USD
Retailer 14$8,941 USD
Retailer 15$9,078 USD
Retailer 7$9,183 USD
Retailer 17$9,328 USD
Retailer 13$9,372 USD
Retailer 5$9,431 USD
Retailer 4$9,940 USD
Retailer 26$9,940 USD
Retailer 9$10,042 USD
Retailer 6$10,270 USD
Retailer 21$10,406 USD
Retailer 22$10,505 USD
Retailer 2$10,840 USD
Retailer 10$10,864 USD
Retailer 11$13,826 USD
NZ Jewellers$16,807 USD

14 data points across 26 retailers

27 retailers$7,360 USD to $16,807 USD

A
Cheapest Retailer
-
$7,360 USD
A
Retailer 2
-
$7,475 USD
HK$58,400 HKD
View
A
Retailer 3
-
$7,590 USD
View
A
Retailer 4
-
$7,869 USD
View
Retailer 5
-
$8,000 USD
View
Price last confirmed 23 days ago
B+
Retailer 6
-
$8,032 USD
View
Retailer 7
-
$8,081 USD
SGD 10,920 SGD
View
Price last confirmed 21 days ago
B+
Retailer 8
-
$8,253 USD
View
B+
Retailer 9
-
$8,355 USD
View
B+
Retailer 10
-
$8,404 USD
View
Final sale: no returns
B+
Retailer 11
-
$8,941 USD
View
B+
Retailer 12
-
$9,078 USD
View
B+
Retailer 13
-
$9,183 USD
£7,230 GBP
View
Retailer 14
-
$9,328 USD
A$14,350 AUD
View
Price last confirmed 7 days ago
B+
Retailer 15
-
$9,372 USD
View
B+
Retailer 16
-
$9,431 USD
£7,426 GBP
View
B+
Retailer 17
-
$9,940 USD
View
B+
Retailer 18
-
$9,940 USD
View
B
Retailer 19
-
$9,957 USD
View
B
Retailer 20
-
$10,042 USD
View
B+
Retailer 21
-
$10,270 USD
View
B+
Retailer 22
-
$10,406 USD
€9,910 EUR
View
B+
Retailer 23
-
$10,505 USD
View
B+
Retailer 24
-
$10,840 USD
View
Retailer 25
-
$12,334 USD
ZAR 199,251 ZAR
View
Price last confirmed 30 days ago
B
Retailer 26
-
$13,826 USD
£10,887 GBP
View
Most Expensive
B
NZ Jewellers
2ec1dfbe-c26d-48b9-9ee7-71427e7e5858 · Oct 30
$16,807 USD
View
26 more retailers have this diamond
Prices start from $7,360 USDSave up to $9,447 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
$7,360 USD