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Round|Natural|GIA

1.51ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 2426983585

Certificate GIA 2426983585

Diamond specifications and retailer prices

From $8,296 USD
Save $8,103 USD (49%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $16,399 USD at NZ Jewellers
View at NZ Jewellers

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2426983585. Listed at 18 retailers, with prices from $8,296 to $16,399 at NZ Jewellers, a $8,103 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
E
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2426983585
Dimensions7.33 × 7.28 × 4.55 mm
L/W Ratio1.01
Top View
7.33 mm7.28 mm1.51 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2426983585
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.3%

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: Oct 1
Current: $16,399 USD|Low: $6,823 USD|High: $16,399 USD|Avg: $9,930 USD|+9.4%
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
October 1, 2026
Retailer 17$8,296 USD
Retailer 5$8,330 USD
Retailer 16$8,475 USD
Retailer 6$8,493 USD
Retailer 13$8,975 USD
Retailer 19$9,051 USD
Retailer 2$9,109 USD
Retailer 10$9,160 USD
Retailer 3$9,197 USD
Retailer 7$9,802 USD
Retailer 9$9,805 USD
Retailer 20$9,956 USD
Retailer 12$10,138 USD
Retailer 18$10,207 USD
Retailer 11$10,378 USD
Retailer 15$10,512 USD
Retailer 8$11,314 USD
Retailer 14$11,822 USD
Retailer 4$13,829 USD
NZ Jewellers$16,399 USD

19 data points across 20 retailers

18 retailers$8,296 USD to $16,399 USD

A
Cheapest Retailer
-
$8,296 USD
A
Retailer 2
-
$8,330 USD
View
B+
Retailer 3
-
$8,475 USD
View
B+
Retailer 4
-
$8,493 USD
View
B+
Retailer 5
-
$8,975 USD
View
B+
Retailer 6
-
$9,109 USD
A$14,014 AUD
View
B+
Retailer 7
-
$9,160 USD
View
Price last confirmed 18 days ago
B+
Retailer 8
-
$9,190 USD
£7,236 GBP
View
B+
Retailer 9
-
$9,802 USD
View
B+
Retailer 10
-
$9,805 USD
View
B+
Retailer 11
-
$9,956 USD
View
B+
Retailer 12
-
$10,207 USD
£8,037 GBP
View
B+
Retailer 13
-
$10,512 USD
€10,011 EUR
View
B+
Retailer 14
-
$11,314 USD
View
B+
Retailer 15
-
$11,822 USD
ZAR 190,987 ZAR
View
B
Retailer 16
-
$12,637 USD
View
B
Retailer 17
-
$13,829 USD
£10,889 GBP
View
Most Expensive
B
NZ Jewellers
6f31fbbf-7966-45c2-859c-87dc9bb68872 · Sep 26
$16,399 USD
View
17 more retailers have this diamond
Prices start from $8,296 USDSave up to $8,103 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 Round
$8,296 USD