Oval|Natural|GIA

1.51ct G SI1 Oval Natural Diamond

ID • G/SI1 • GIA 2534617225

Certificate GIA 2534617225

Diamond specifications and retailer prices

From $6,702 USD
As of October 28, 2026
Save $7,613 USD (53%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $14,315 USD at NZ Jewellers · As of October 27, 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2534617225. Listed at 24 retailers as of October 27, 2026, with prices from $6,702 to $14,315, a $7,613 spread on the same certified stone. NZ Jewellers lists it at $14,315. 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
G
Color
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle37.1°
OriginNatural
Grading LabGIA
CertificateGIA 2534617225
Dimensions9.46 × 6.21 × 3.95 mm
L/W Ratio1.52
Girdle conditionThick
Key to symbols
Crystal, Needle, Pinpoint
Top View
9.46 mm6.21 mm1.51 ctG / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2534617225
Side View
Table 62.0%Crown 37.1°Girdle: MED-STKPavilionCulet: NoneDepth 63.6%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $14,315 USD|Low: $6,420 USD|High: $14,315 USD|Avg: $8,786 USD
NZ Jewellers
Retailer 2
Retailer 3
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Retailer 24
October 28, 2026
Retailer 8$6,420 USD
Retailer 5$6,702 USD
Retailer 15$6,797 USD
Retailer 7$7,155 USD
Retailer 3$7,157 USD
Retailer 6$7,217 USD
Retailer 17$7,624 USD
Retailer 14$7,702 USD
Retailer 23$7,754 USD
Retailer 24$7,873 USD
Retailer 2$7,937 USD
Retailer 20$8,090 USD
Retailer 9$8,186 USD
Retailer 11$8,207 USD
Retailer 10$8,220 USD
Retailer 12$8,220 USD
Retailer 16$8,500 USD
Retailer 18$8,947 USD
Retailer 21$9,301 USD
Retailer 19$10,421 USD
Retailer 4$10,959 USD
Retailer 13$11,748 USD
Retailer 22$11,944 USD
NZ Jewellers$14,315 USD

28 data points across 24 retailers

24 retailers$6,702 USD to $14,315 USD

Retailer 1
-
$6,420 USD
Price last confirmed 24 days ago
B+
Retailer 2
-
$6,702 USD
View
B+
Retailer 3
-
$6,797 USD
View
B+
Retailer 4
-
$7,155 USD
View
B+
Retailer 5
-
$7,157 USD
View
B+
Retailer 6
-
$7,217 USD
View
B+
Retailer 7
-
$7,624 USD
View
B+
Retailer 8
-
$7,702 USD
View
B+
Retailer 9
-
$7,754 USD
View
B+
Retailer 10
-
$7,873 USD
View
B+
Retailer 11
-
$7,937 USD
£6,250 GBP
View
B+
Retailer 12
-
$8,090 USD
£6,370 GBP
View
Retailer 13
-
$8,186 USD
A$12,593 AUD
View
Price last confirmed 27 days ago
Retailer 14
-
$8,207 USD
View
Price last confirmed 22 days ago
B+
Retailer 15
-
$8,220 USD
View
B+
Retailer 16
-
$8,220 USD
View
B
Retailer 17
-
$8,500 USD
View
B+
Retailer 18
-
$8,947 USD
View
B+
Retailer 19
-
$9,301 USD
€8,858 EUR
View
B
Retailer 20
-
$10,421 USD
ZAR 168,356 ZAR
View
B
Retailer 21
-
$10,959 USD
View
B
Retailer 22
-
$11,748 USD
£9,250 GBP
View
B
Retailer 23
-
$11,944 USD
£9,405 GBP
View
Most Expensive
B
NZ Jewellers
608b8d12-8a31-47a6-a9a1-c67a65642e26 · Oct 27
$14,315 USD
View
23 more retailers have this diamond
Prices start from $6,702 USDSave up to $7,613 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. Return terms as we hold them. Check the retailer's own returns page before you buy.

B+
1.51ct Oval
$6,702 USD