Round|Natural|GIA

1.51ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 7548519542

Certificate GIA 7548519542

Diamond specifications and retailer prices

From $7,490 USD
As of October 23, 2026
20 retailers carry this diamond
Most expensive: $13,588 USD at NZ Jewellers · As of September 26, 2026
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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7548519542. Listed at 20 retailers as of September 26, 2026. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 7548519542
Dimensions7.28 × 7.33 × 4.51 mm
L/W Ratio1.01
Star length50%
Culet sizeNone
Key to symbols
Crystal, Feather
Top View
7.28 mm7.33 mm1.51 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7548519542
Side View
Table 59.0%Crown 36°Girdle: Slightly ThickPavilion 40.6°Culet: NoneDepth 61.7%

Caratlytics Score

No score right now
No retailer has confirmed this stone recently, so we are not scoring it. Prices below are as of the date shown.

Price History

Last verified: Oct 23
Current: $13,588 USD|Low: $6,874 USD|High: $14,249 USD|Avg: $8,911 USD|-4.6%
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
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Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
Retailer 23
Retailer 24
October 24, 2026
Retailer 15$6,874 USD
Retailer 4$7,490 USD
Retailer 14$7,499 USD
Retailer 19$7,576 USD
Retailer 12$7,690 USD
Retailer 8$7,859 USD
Retailer 3$7,944 USD
Retailer 16$8,124 USD
Retailer 11$8,249 USD
Retailer 21$8,555 USD
Retailer 2$8,568 USD
Retailer 7$8,624 USD
Retailer 10$8,730 USD
Retailer 23$8,861 USD
Retailer 6$9,170 USD
Retailer 22$9,170 USD
Retailer 5$9,237 USD
Retailer 20$9,344 USD
Retailer 17$9,374 USD
Retailer 24$9,480 USD
Retailer 13$9,521 USD
Retailer 9$9,795 USD
Retailer 18$12,808 USD
NZ Jewellers$13,588 USD

26 data points across 24 retailers

20 retailers$7,490 USD to $13,588 USD

Retailer 1
-
$7,490 USD
Price last confirmed 9 days ago
Retailer 2
-
$7,576 USD
CA$10,522 CAD
View
Price last confirmed 10 days ago
Retailer 3
-
$7,859 USD
A$12,091 AUD
View
Price last confirmed 30 days ago
Retailer 4
-
$8,124 USD
View
Price last confirmed 31 days ago
Retailer 5
-
$8,249 USD
View
Price last confirmed 33 days ago
Retailer 6
-
$8,555 USD
View
Price last confirmed 11 days ago
Retailer 7
-
$8,568 USD
£6,746 GBP
View
Price last confirmed 9 days ago
Retailer 8
-
$8,624 USD
View
Price last confirmed 10 days ago
Retailer 9
-
$8,730 USD
£6,874 GBP
View
Price last confirmed 32 days ago
Retailer 10
-
$8,861 USD
View
Price last confirmed 7 days ago
Retailer 11
-
$9,170 USD
View
Price last confirmed 10 days ago
Retailer 12
-
$9,170 USD
View
Price last confirmed 10 days ago
Retailer 13
-
$9,237 USD
View
Price last confirmed 9 days ago
Retailer 14
-
$9,344 USD
View
Price last confirmed 9 days ago
Retailer 15
-
$9,374 USD
View
Price last confirmed 34 days ago
Retailer 16
-
$9,480 USD
View
Price last confirmed 11 days ago
Retailer 17
-
$9,521 USD
€9,068 EUR
View
Price last confirmed 10 days ago
Retailer 18
-
$9,795 USD
ZAR 158,237 ZAR
View
Price last confirmed 32 days ago
Retailer 19
-
$12,808 USD
£10,085 GBP
View
Price last confirmed 11 days ago
Most Expensive
NZ Jewellers
a8ac7166-480e-47de-a1fa-0a158bf757ff · Sep 26
$13,588 USD
View
Price last confirmed 36 days ago
19 more retailers have this diamond

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.

1.51ct Round
$7,490 USD