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Round|Natural|GIA

1.51ct G SI1 Round Natural Diamond

VG • G/SI1 • GIA 5533597927

Certificate GIA 5533597927

Diamond specifications and retailer prices

From $5,333 USD
Save $7,107 USD (57%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $12,440 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 5533597927. Listed at 26 retailers, with prices from $5,333 to $12,440 at NZ Jewellers, a $7,107 spread on the same certified stone. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.51
Carat
G
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38.5°
Pavilion angle40.2°
OriginNatural
Grading LabGIA
CertificateGIA 5533597927
Dimensions7.18 × 7.16 × 4.62 mm
L/W Ratio1.00
Top View
7.18 mm7.16 mm1.51 ctG / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5533597927
Side View
Table 56.0%Crown 38.5°Girdle: MED-THKPavilion 40.2°Culet: NoneDepth 64.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Sep 30
Current: $12,440 USD|Low: $5,333 USD|High: $13,031 USD|Avg: $7,267 USD|-4.5%
NZ Jewellers
Retailer 2
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Retailer 25
October 1, 2026
Retailer 16$5,333 USD
Retailer 8$5,394 USD
Retailer 10$5,517 USD
Retailer 9$5,650 USD
Retailer 20$5,664 USD
Retailer 14$5,877 USD
Retailer 23$5,885 USD
Retailer 11$6,220 USD
Retailer 5$6,250 USD
Retailer 15$6,738 USD
Retailer 24$6,842 USD
Retailer 25$6,989 USD
Retailer 3$7,026 USD
Retailer 13$7,264 USD
Retailer 6$7,480 USD
Retailer 22$7,542 USD
Retailer 17$7,590 USD
Retailer 7$7,775 USD
Retailer 18$7,840 USD
Retailer 21$7,993 USD
Retailer 12$8,196 USD
Retailer 4$8,519 USD
Retailer 19$8,969 USD
Retailer 2$10,491 USD
NZ Jewellers$12,440 USD

14 data points across 25 retailers

26 retailers$5,333 USD to $12,440 USD

A
Cheapest Retailer
-
$5,333 USD
A
Retailer 2
-
$5,394 USD
View
A
Retailer 3
-
$5,517 USD
HK$43,100 HKD
View
A
Retailer 4
-
$5,650 USD
View
A
Retailer 5
-
$5,664 USD
View
A
Retailer 6
-
$5,877 USD
View
A
Retailer 7
-
$5,885 USD
View
A
Retailer 8
-
$6,116 USD
A$9,409 AUD
View
Price last confirmed 145 days ago
A
Retailer 9
-
$6,220 USD
View
B+
Retailer 10
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$6,250 USD
View
B+
Retailer 11
-
$6,738 USD
View
B+
Retailer 12
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$6,842 USD
View
B+
Retailer 13
-
$6,989 USD
View
B+
Retailer 14
-
$7,026 USD
£5,532 GBP
View
B+
Retailer 15
-
$7,264 USD
A$11,175 AUD
View
B+
Retailer 16
-
$7,480 USD
View
B+
Retailer 17
-
$7,542 USD
€7,183 EUR
View
B+
Retailer 18
-
$7,590 USD
View
Price last confirmed 48 days ago
B+
Retailer 19
-
$7,775 USD
View
B+
Retailer 20
-
$7,840 USD
View
Price last confirmed 48 days ago
B+
Retailer 21
-
$7,993 USD
£6,294 GBP
View
B+
Retailer 22
-
$8,196 USD
View
B
Retailer 23
-
$8,519 USD
View
B
Retailer 24
-
$8,969 USD
ZAR 144,893 ZAR
View
B
Retailer 25
-
$10,491 USD
£8,261 GBP
View
Most Expensive
B
NZ Jewellers
83ec2ec4-a2a9-4de2-8923-e46b322bb458 · Sep 27
$12,440 USD
View
25 more retailers have this diamond
Prices start from $5,333 USDSave up to $7,107 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
$5,333 USD