Oval|Natural|GIA

1.51ct D SI1 Oval Natural Diamond

EX • D/SI1 • GIA 1169911515

Certificate GIA 1169911515

Diamond specifications and retailer prices

From $15,995 CAD
$11,450 USD
As of October 28, 2026
Save $12,527 CAD (44%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $28,522 CAD at MOH London · As of October 29, 2026
View at MOH London

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 1169911515. Listed at 19 retailers as of October 28, 2026, with prices from $15,995 to $28,522, a $12,527 spread on the same certified stone. MOH London lists it at $28,522. 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 1169911515
Dimensions8.79 × 6.58 × 4.09 mm
L/W Ratio1.34
Top View
8.79 mm6.58 mm1.51 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1169911515
Side View
Table 61.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 62.2%

Caratlytics Score

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

Price History

Last verified: Oct 28
Current: $28,522 CAD|Low: $15,995 CAD|High: $28,711 CAD|Avg: $21,734 CAD|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 6$15,995 CAD
Retailer 2$19,392 CAD
Retailer 5$19,507 CAD
Retailer 7$19,680 CAD
Retailer 3$21,925 CAD
Retailer 4$26,546 CAD
MOH London$28,522 CAD

43 data points across 7 retailers

19 retailers$15,995 CAD to $28,522 CAD

B+
Cheapest Retailer
-
$15,995 CAD
$11,450 USD
B
Retailer 2
-
$16,854 CAD
$12,065 USD
View
B
Retailer 3
-
$16,882 CAD
$12,085 USD
View
B
Retailer 4
-
$16,981 CAD
View
B
Retailer 5
-
$17,859 CAD
$12,785 USD
View
B
Retailer 6
-
$18,165 CAD
$13,004 USD
View
B
Retailer 7
-
$19,376 CAD
$13,871 USD
View
B
Retailer 8
-
$19,392 CAD
£10,931 GBP
View
B
Retailer 9
-
$19,507 CAD
A$21,484 AUD
View
B
Retailer 10
-
$19,680 CAD
$14,088 USD
View
B
Retailer 11
-
$20,437 CAD
$14,630 USD
View
B
Retailer 12
-
$20,800 CAD
$14,890 USD
View
B
Retailer 13
-
$20,800 CAD
$14,890 USD
View
B
Retailer 14
-
$21,058 CAD
$15,075 USD
View
B
Retailer 15
-
$21,498 CAD
$15,390 USD
View
B
Retailer 16
-
$21,925 CAD
€14,948 EUR
View
B
Retailer 17
-
$25,734 CAD
$18,422 USD
View
B
Retailer 18
-
$26,546 CAD
ZAR 306,998 ZAR
View
Most Expensive
B
MOH London
DE6A5FE04 · Oct 29
$28,522 CAD
£16,077 GBP
View
18 more retailers have this diamond
Prices start from $15,995 CADSave up to $12,527 CAD

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
$15,995 CAD