Oval|Natural|GIA

1.51ct F SI1 Oval Natural Diamond

EX • F/SI1 • GIA 2547890857

Certificate GIA 2547890857

Diamond specifications and retailer prices

From $7,168 USD
HK$56,000 HKD
Save $9,038 USD (56%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $16,206 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 2547890857. Listed at 17 retailers, with prices from $7,168 to $16,206 at NZ Jewellers, a $9,038 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
FluorescenceNone
Crown angle39.4°
Pavilion angle37.2°
OriginNatural
Grading LabGIA
CertificateGIA 2547890857
Dimensions8.97 × 6.29 × 4.02 mm
L/W Ratio1.43
Top View
8.97 mm6.29 mm1.51 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2547890857
Side View
Table 61.0%Crown 39.4°Girdle: STK-THKPavilion 37.2°Culet: NoneDepth 63.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Sep 25
Current: $16,206 USD|Low: $6,820 USD|High: $16,340 USD|Avg: $9,183 USD|-0.8%
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
September 26, 2026
Retailer 4$6,820 USD
Retailer 17$6,960 USD
Retailer 7$7,168 USD
Retailer 11$7,524 USD
Retailer 13$7,817 USD
Retailer 3$8,396 USD
Retailer 5$8,706 USD
Retailer 22$8,857 USD
Retailer 6$8,875 USD
Retailer 10$9,018 USD
Retailer 14$9,380 USD
Retailer 15$9,380 USD
Retailer 16$9,474 USD
Retailer 19$9,549 USD
Retailer 8$9,689 USD
Retailer 12$9,690 USD
Retailer 21$9,813 USD
Retailer 2$10,290 USD
Retailer 9$11,180 USD
Retailer 18$11,655 USD
Retailer 20$13,649 USD
NZ Jewellers$16,206 USD

16 data points across 22 retailers

17 retailers$7,168 USD to $16,206 USD

A
Retailer 1
-
$6,820 USD
Price last confirmed 8 days ago
B+
Retailer 2
-
$7,168 USD
HK$56,000 HKD
View
B+
Retailer 3
-
$7,817 USD
SGD 10,564 SGD
View
B+
Retailer 4
-
$8,396 USD
View
B+
Retailer 5
-
$8,706 USD
View
Price last confirmed 7 days ago
B
Retailer 6
-
$8,857 USD
A$13,627 AUD
View
Price last confirmed 7 days ago
B
Retailer 7
-
$8,875 USD
View
B+
Retailer 8
-
$9,474 USD
£7,460 GBP
View
B+
Retailer 9
-
$9,549 USD
View
B+
Retailer 10
-
$9,689 USD
View
Price last confirmed 9 days ago
B
Retailer 11
-
$9,690 USD
View
Price last confirmed 62 days ago
B
Retailer 12
-
$9,813 USD
€9,346 EUR
View
Price last confirmed 7 days ago
B+
Retailer 13
-
$10,290 USD
View
B
Retailer 14
-
$11,180 USD
View
Price last confirmed 9 days ago
B
Retailer 15
-
$11,655 USD
ZAR 188,291 ZAR
View
B
Retailer 16
-
$13,649 USD
£10,747 GBP
View
Most Expensive
B
NZ Jewellers
5b2897e1-7231-4cbb-8f7a-da0a60a1dcd3 · Sep 25
$16,206 USD
View
16 more retailers have this diamond
Prices start from $7,168 USDSave up to $9,038 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.

A
1.51ct Oval
$7,168 USD