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Oval|Natural|GIA

1.51ct E SI1 Oval Natural Diamond

ID • E/SI1 • GIA 2245022822

Certificate GIA 2245022822

Diamond specifications and retailer prices

From $10,594 NZD
$5,971 USD
As of October 29, 2026
Save $10,898 NZD (51%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $21,492 NZD 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 E 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 2245022822. Listed at 11 retailers as of October 29, 2026, with prices from $10,594 to $21,492, a $10,898 spread on the same certified stone. NZ Jewellers lists it at $21,492. 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
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 2245022822
Dimensions9.17 × 6.54 × 3.85 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
9.17 mm6.54 mm1.51 ctE / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 2245022822
Side View
Table 56.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 58.9%

Caratlytics Score

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

Price History

Last verified: Oct 29
Current: $21,492 NZD|Low: $8,680 NZD|High: $21,492 NZD|Avg: $12,551 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 3$9,409 NZD
Retailer 4$9,487 NZD
Retailer 12$10,594 NZD
Retailer 9$10,862 NZD
Retailer 7$11,118 NZD
Retailer 11$12,202 NZD
Retailer 2$12,234 NZD
Retailer 8$12,401 NZD
Retailer 6$13,388 NZD
Retailer 5$18,004 NZD
Retailer 10$18,814 NZD
NZ Jewellers$21,492 NZD

18 data points across 12 retailers

11 retailers$10,594 NZD to $21,492 NZD

Retailer 1
-
$9,409 NZD
$5,303 USD
Price last confirmed 15 days ago
A
Retailer 2
-
$10,594 NZD
$5,971 USD
View
A
Retailer 3
-
$10,862 NZD
CA$8,502 CAD
View
A
Retailer 4
-
$11,118 NZD
$6,266 USD
View
A
Retailer 5
-
$12,202 NZD
$6,877 USD
View
A
Retailer 6
-
$12,234 NZD
£5,429 GBP
View
A
Retailer 7
-
$12,401 NZD
$6,989 USD
View
A
Retailer 8
-
$13,388 NZD
€7,186 EUR
View
B
Retailer 9
-
$18,004 NZD
£7,990 GBP
View
B
Retailer 10
-
$18,814 NZD
$10,604 USD
View
Most Expensive
B
NZ Jewellers
f59a4f33-89d6-4c46-ab3b-637280643581 · Oct 30
$21,492 NZD
$12,113 USD
View
10 more retailers have this diamond
Prices start from $10,594 NZDSave up to $10,898 NZD

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.

A
1.51ct Oval
$10,594 NZD