Oval|Natural|GIA

1.51ct D SI1 Oval Natural Diamond

EX • D/SI1 • GIA 7241366322

Certificate GIA 7241366322

Diamond specifications and retailer prices

From $11,055 USD
As of October 28, 2026
Save $9,864 USD (47%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $20,919 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 7241366322. Listed at 19 retailers as of October 28, 2026, with prices from $11,055 to $20,919, a $9,864 spread on the same certified stone. NZ Jewellers lists it at $20,919. 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
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7241366322
Dimensions8.92 × 6.60 × 4.02 mm
L/W Ratio1.35
Top View
8.92 mm6.60 mm1.51 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7241366322
Side View
Table 61.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 61.0%

Caratlytics Score

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

Price History

Last verified: Oct 28
Current: $13,394 USD|Low: $11,055 USD|High: $19,839 USD|Avg: $15,030 USD|-0.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 6$11,055 USD
Retailer 1$13,394 USD
Retailer 5$13,472 USD
Retailer 7$13,597 USD
Retailer 3$15,141 USD
Retailer 4$18,342 USD
Retailer 2$19,708 USD

43 data points across 7 retailers

19 retailers$11,055 USD to $20,919 USD

B+
Cheapest Retailer
-
$11,055 USD
B+
Retailer 2
-
$11,646 USD
View
B+
Retailer 3
-
$11,659 USD
View
B+
Retailer 4
-
$11,727 USD
CA$16,288 CAD
View
B
Retailer 5
-
$12,350 USD
View
B
Retailer 6
-
$12,552 USD
View
B
Retailer 7
-
$13,388 USD
View
B
Retailer 8
-
$13,394 USD
£10,547 GBP
View
Retailer 9
-
$13,472 USD
A$20,727 AUD
View
Price last confirmed 7 days ago
B
Retailer 10
-
$13,597 USD
View
B
Retailer 11
-
$14,120 USD
View
B
Retailer 12
-
$14,430 USD
View
B
Retailer 13
-
$14,430 USD
View
B
Retailer 14
-
$14,543 USD
View
B
Retailer 15
-
$14,910 USD
View
B
Retailer 16
-
$15,141 USD
€14,420 EUR
View
B
Retailer 17
-
$18,342 USD
ZAR 296,315 ZAR
View
B
Retailer 18
-
$19,708 USD
£15,518 GBP
View
Most Expensive
B
NZ Jewellers
8f6aceef-faf3-4bd8-b8b2-5eb04a828892 · Oct 30
$20,919 USD
View
18 more retailers have this diamond
Prices start from $11,055 USDSave up to $9,864 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+
1.51ct Oval
$11,055 USD