Oval|Natural|GIA

1.51ct G SI1 Oval Natural Diamond

ID • G/SI1 • GIA 2534617225

Certificate GIA 2534617225

Diamond specifications and retailer prices

From $8,568 SGD
$6,702 USD
As of October 28, 2026
Save $9,732 SGD (53%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $18,300 SGD 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 $8,568 to $18,300, a $9,732 spread on the same certified stone. NZ Jewellers lists it at $18,300. 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
Colour
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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Price History

Last verified: Oct 28
Current: $18,300 SGD|Low: $8,207 SGD|High: $18,300 SGD|Avg: $11,232 SGD
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
Retailer 23
Retailer 24
October 28, 2026
Retailer 8$8,207 SGD
Retailer 5$8,568 SGD
Retailer 15$8,689 SGD
Retailer 7$9,147 SGD
Retailer 3$9,150 SGD
Retailer 6$9,226 SGD
Retailer 17$9,746 SGD
Retailer 14$9,846 SGD
Retailer 23$9,913 SGD
Retailer 24$10,065 SGD
Retailer 2$10,147 SGD
Retailer 20$10,342 SGD
Retailer 9$10,465 SGD
Retailer 11$10,492 SGD
Retailer 10$10,508 SGD
Retailer 12$10,508 SGD
Retailer 16$10,866 SGD
Retailer 18$11,438 SGD
Retailer 21$11,890 SGD
Retailer 19$13,323 SGD
Retailer 4$14,010 SGD
Retailer 13$15,018 SGD
Retailer 22$15,270 SGD
NZ Jewellers$18,300 SGD

28 data points across 24 retailers

24 retailers$8,568 SGD to $18,300 SGD

Retailer 1
-
$8,207 SGD
$6,420 USD
Price last confirmed 25 days ago
B+
Retailer 2
-
$8,568 SGD
$6,702 USD
View
B+
Retailer 3
-
$8,689 SGD
$6,797 USD
View
Price last confirmed 7 days ago
Retailer 4
-
$9,147 SGD
$7,155 USD
View
Price last confirmed 5 days ago
Retailer 5
-
$9,150 SGD
$7,157 USD
View
Price last confirmed 8 days ago
Retailer 6
-
$9,226 SGD
$7,217 USD
View
Price last confirmed 7 days ago
Retailer 7
-
$9,746 SGD
$7,624 USD
View
Price last confirmed 7 days ago
B+
Retailer 8
-
$9,846 SGD
$7,702 USD
View
Retailer 9
-
$9,913 SGD
$7,754 USD
View
Price last confirmed 7 days ago
Retailer 10
-
$10,065 SGD
$7,873 USD
View
Price last confirmed 7 days ago
B+
Retailer 11
-
$10,147 SGD
£6,250 GBP
View
B+
Retailer 12
-
$10,342 SGD
£6,370 GBP
View
Retailer 13
-
$10,465 SGD
A$12,593 AUD
View
Price last confirmed 29 days ago
Retailer 14
-
$10,492 SGD
$8,207 USD
View
Price last confirmed 24 days ago
Retailer 15
-
$10,508 SGD
$8,220 USD
View
Price last confirmed 7 days ago
Retailer 16
-
$10,508 SGD
$8,220 USD
View
Price last confirmed 7 days ago
Retailer 17
-
$10,866 SGD
$8,500 USD
View
Price last confirmed 7 days ago
B+
Retailer 18
-
$11,438 SGD
$8,947 USD
View
B+
Retailer 19
-
$11,890 SGD
€8,858 EUR
View
B
Retailer 20
-
$13,323 SGD
ZAR 168,356 ZAR
View
Retailer 21
-
$14,010 SGD
$10,959 USD
View
Price last confirmed 8 days ago
B
Retailer 22
-
$15,018 SGD
£9,250 GBP
View
B
Retailer 23
-
$15,270 SGD
£9,405 GBP
View
Most Expensive
B
NZ Jewellers
608b8d12-8a31-47a6-a9a1-c67a65642e26 · Oct 27
$18,300 SGD
$14,315 USD
View
23 more retailers have this diamond
Prices start from $8,568 SGDSave up to $9,732 SGD

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
$8,568 SGD