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Round|Natural|GIA

1.51ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 2245021465

Certificate GIA 2245021465

Diamond specifications and retailer prices

From $6,682 USD
HK$52,200 HKD
As of November 1, 2026
Save $5,852 USD (47%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $12,534 USD at MOH London · As of November 1, 2026
View at MOH London

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 2245021465. Listed at 19 retailers as of November 1, 2026, with prices from $6,682 to $12,534, a $5,852 spread on the same certified stone. MOH London lists it at $12,534. 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 angle35°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2245021465
Dimensions7.30 × 7.33 × 4.59 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Needle
Top View
7.30 mm7.33 mm1.51 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2245021465
Side View
Table 56.0%Crown 35°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.7%

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: Nov 1
Current: $12,534 USD|Low: $6,682 USD|High: $13,044 USD|Avg: $8,826 USD|-2.6%
MOH London
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
November 2, 2026
Retailer 4$6,682 USD
Retailer 14$6,715 USD
Retailer 3$6,809 USD
Retailer 15$6,907 USD
Retailer 17$7,013 USD
Retailer 2$7,438 USD
Retailer 18$7,461 USD
Retailer 5$7,491 USD
Retailer 12$8,260 USD
Retailer 6$8,408 USD
Retailer 10$8,623 USD
Retailer 7$8,950 USD
Retailer 8$8,980 USD
Retailer 11$9,250 USD
Retailer 13$9,290 USD
Retailer 9$9,426 USD
Retailer 16$11,049 USD
MOH London$12,534 USD

29 data points across 18 retailers

19 retailers$6,682 USD to $12,534 USD

A
Cheapest Retailer
-
$6,682 USD
HK$52,200 HKD
A
Retailer 2
-
$6,715 USD
View
A
Retailer 3
-
$6,809 USD
View
A
Retailer 4
-
$6,907 USD
View
A
Retailer 5
-
$7,013 USD
A$10,789 AUD
View
B+
Retailer 6
-
$7,438 USD
CA$10,331 CAD
View
B+
Retailer 7
-
$7,461 USD
View
Final sale: no returns
B+
Retailer 8
-
$7,491 USD
View
B+
Retailer 9
-
$8,260 USD
£6,504 GBP
View
B+
Retailer 10
-
$8,408 USD
View
Retailer 11
-
$8,623 USD
A$13,266 AUD
View
Price last confirmed 9 days ago
B+
Retailer 12
-
$8,950 USD
View
B+
Retailer 13
-
$8,980 USD
View
B+
Retailer 14
-
$9,250 USD
View
B+
Retailer 15
-
$9,290 USD
€8,848 EUR
View
B+
Retailer 16
-
$9,426 USD
View
Retailer 17
-
$10,077 USD
View
Price last confirmed 19 days ago
B
Retailer 18
-
$11,049 USD
ZAR 178,494 ZAR
View
Most Expensive
B
MOH London
C7551D8A6 · Nov 1
$12,534 USD
£9,869 GBP
View
18 more retailers have this diamond
Prices start from $6,682 USDSave up to $5,852 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.

A
1.51ct Round
$6,682 USD