Oval|Natural|GIA

1.51ct F SI1 Oval Natural Diamond

EX • F/SI1 • GIA 1555689967

Certificate GIA 1555689967

Diamond specifications and retailer prices

From $7,685 USD
Save $8,974 USD (54%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $16,659 USD at NZ Jewellers
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 F 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 1555689967. Listed at 16 retailers, with prices from $7,685 to $16,659 at NZ Jewellers, a $8,974 spread on the same certified stone. 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
F
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 1555689967
Dimensions9.47 × 6.51 × 3.82 mm
L/W Ratio1.45
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Indented Natural, Needle, Natural
Top View
9.47 mm6.51 mm1.51 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1555689967
Side View
Table 60.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 58.7%

Caratlytics Score

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

Price History

Last verified: Sep 28
Current: $16,659 USD|Low: $5,378 USD|High: $16,659 USD|Avg: $9,136 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
October 1, 2026
Retailer 10$5,378 USD
Retailer 11$7,370 USD
Retailer 19$7,685 USD
Retailer 5$7,764 USD
Retailer 8$7,799 USD
Retailer 7$8,330 USD
Retailer 4$8,399 USD
Retailer 16$8,400 USD
Retailer 6$9,024 USD
Retailer 15$9,162 USD
Retailer 13$9,191 USD
Retailer 17$9,258 USD
Retailer 12$9,407 USD
Retailer 9$9,955 USD
Retailer 3$10,412 USD
Retailer 2$10,679 USD
Retailer 14$12,009 USD
Retailer 18$14,049 USD
NZ Jewellers$16,659 USD

22 data points across 19 retailers

16 retailers$7,685 USD to $16,659 USD

B+
Cheapest Retailer
-
$7,685 USD
B+
Retailer 2
-
$7,764 USD
View
B+
Retailer 3
-
$7,799 USD
View
B
Retailer 4
-
$8,399 USD
View
B
Retailer 5
-
$8,400 USD
View
B
Retailer 6
-
$9,024 USD
View
B
Retailer 7
-
$9,162 USD
View
B
Retailer 8
-
$9,191 USD
A$14,140 AUD
View
B
Retailer 9
-
$9,269 USD
£7,299 GBP
View
B
Retailer 10
-
$9,407 USD
£7,407 GBP
View
B
Retailer 11
-
$9,955 USD
View
B
Retailer 12
-
$10,412 USD
View
B
Retailer 13
-
$10,679 USD
€10,170 EUR
View
B
Retailer 14
-
$12,009 USD
ZAR 194,012 ZAR
View
C
Retailer 15
-
$14,049 USD
£11,062 GBP
View
Most Expensive
C
NZ Jewellers
ea7fe237-0061-4177-8bd8-cad91d5fd28a · Sep 30
$16,659 USD
View
15 more retailers have this diamond
Prices start from $7,685 USDSave up to $8,974 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.

B+
1.51ct Oval
$7,685 USD