Oval|Natural|GIA

1.51ct D SI1 Oval Natural Diamond

EX • D/SI1 • GIA 7522574211

Certificate GIA 7522574211

Diamond specifications and retailer prices

From $7,660 USD
As of October 28, 2026
Save $8,996 USD (54%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $16,656 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 7522574211. Listed at 19 retailers as of October 28, 2026, with prices from $7,660 to $16,656, a $8,996 spread on the same certified stone. NZ Jewellers lists it at $16,656. 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
OriginNatural
Grading LabGIA
CertificateGIA 7522574211
Dimensions9.48 × 6.33 × 3.99 mm
L/W Ratio1.50
Culet sizeNone
Key to symbols
Crystal, Feather, Pinpoint
Top View
9.48 mm6.33 mm1.51 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7522574211
Side View
Table 61.0%CrownGirdle: ThickPavilionCulet: 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: $16,656 USD|Low: $7,660 USD|High: $16,656 USD|Avg: $10,854 USD|+11.9%
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 30, 2026
Retailer 6$7,660 USD
Retailer 17$7,798 USD
Retailer 14$8,280 USD
Retailer 5$8,328 USD
Retailer 15$8,328 USD
Retailer 4$9,022 USD
Retailer 2$9,060 USD
Retailer 18$9,161 USD
Retailer 16$9,205 USD
Retailer 8$9,953 USD
Retailer 3$10,200 USD
Retailer 9$10,200 USD
Retailer 11$10,410 USD
Retailer 10$10,540 USD
Retailer 13$10,864 USD
Retailer 7$11,107 USD
Retailer 19$12,018 USD
Retailer 12$13,953 USD
NZ Jewellers$16,656 USD

43 data points across 19 retailers

19 retailers$7,660 USD to $16,656 USD

A
Cheapest Retailer
-
$7,660 USD
B+
Retailer 2
-
$7,798 USD
View
B+
Retailer 3
-
$8,280 USD
View
B+
Retailer 4
-
$8,328 USD
View
B+
Retailer 5
-
$8,328 USD
View
Final sale: no returns
B+
Retailer 6
-
$9,022 USD
View
B+
Retailer 7
-
$9,060 USD
£7,133 GBP
View
B+
Retailer 8
-
$9,161 USD
View
Retailer 9
-
$9,205 USD
A$14,162 AUD
View
Price last confirmed 7 days ago
B
Retailer 10
-
$9,953 USD
View
B+
Retailer 11
-
$10,200 USD
View
B+
Retailer 12
-
$10,200 USD
View
B+
Retailer 13
-
$10,410 USD
View
B+
Retailer 14
-
$10,540 USD
View
B+
Retailer 15
-
$10,864 USD
€10,347 EUR
View
B
Retailer 16
-
$11,107 USD
View
Retailer 17
-
$12,018 USD
ZAR 194,159 ZAR
View
Price last confirmed 9 days ago
B
Retailer 18
-
$13,953 USD
£10,987 GBP
View
Most Expensive
B
NZ Jewellers
5721c836-d992-4db4-a3b1-256cf545fc9f · Oct 30
$16,656 USD
View
18 more retailers have this diamond
Prices start from $7,660 USDSave up to $8,996 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
$7,660 USD