Round|Natural|GIA

1.53ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 2526693270

Certificate GIA 2526693270

Diamond specifications and retailer prices

From $4,822 USD
As of October 30, 2026
Save $4,429 USD (48%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $9,251 USD at MOH London · As of November 1, 2026
View at MOH London

About this 1.53ct natural round diamond

This 1.53ct natural round sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2526693270. Listed at 24 retailers as of October 30, 2026, with prices from $4,822 to $9,251, a $4,429 spread on the same certified stone. MOH London lists it at $9,251. 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

1.53
Carat
I
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 2526693270
Dimensions7.38 × 7.32 × 4.58 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
7.38 mm7.32 mm1.53 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2526693270
Side View
Table 58.0%Crown 34°Girdle: Sli. ThickPavilion 41.6°Culet: NoneDepth 62.5%

Caratlytics Score

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

Price History

Last verified: Oct 30
Current: $9,251 USD|Low: $3,942 USD|High: $9,300 USD|Avg: $5,720 USD|+11.4%
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
Retailer 19
Retailer 20
Retailer 21
Retailer 22
November 1, 2026
Retailer 11$3,942 USD
Retailer 12$4,118 USD
Retailer 21$4,822 USD
Retailer 7$4,960 USD
Retailer 18$4,963 USD
Retailer 3$5,025 USD
Retailer 14$5,216 USD
Retailer 6$5,250 USD
Retailer 5$5,315 USD
Retailer 17$5,617 USD
Retailer 15$5,766 USD
Retailer 22$5,790 USD
Retailer 8$5,956 USD
Retailer 13$5,983 USD
Retailer 9$6,350 USD
Retailer 19$6,350 USD
Retailer 10$6,433 USD
Retailer 4$6,560 USD
Retailer 2$6,707 USD
Retailer 16$7,714 USD
Retailer 20$9,098 USD
MOH London$9,251 USD

27 data points across 22 retailers

24 retailers$4,822 USD to $9,251 USD

Retailer 1
-
$3,942 USD
HK$30,800 HKD
Price last confirmed 33 days ago
Retailer 2
-
$4,791 USD
View
Price last confirmed 97 days ago
A
Retailer 3
-
$4,822 USD
View
A
Retailer 4
-
$4,960 USD
View
A
Retailer 5
-
$4,963 USD
View
A
Retailer 6
-
$5,025 USD
View
Retailer 7
-
$5,207 USD
View
Price last confirmed 33 days ago
Retailer 8
-
$5,216 USD
A$8,025 AUD
View
Price last confirmed 33 days ago
A
Retailer 9
-
$5,250 USD
View
Final sale: no returns
B+
Retailer 10
-
$5,315 USD
View
B+
Retailer 11
-
$5,617 USD
View
B+
Retailer 12
-
$5,790 USD
View
B+
Retailer 13
-
$5,956 USD
View
B+
Retailer 14
-
$5,983 USD
£4,711 GBP
View
Retailer 15
-
$6,008 USD
View
Price last confirmed 33 days ago
B+
Retailer 16
-
$6,350 USD
View
B+
Retailer 17
-
$6,350 USD
View
B+
Retailer 18
-
$6,433 USD
View
B+
Retailer 19
-
$6,560 USD
View
B+
Retailer 20
-
$6,707 USD
€6,388 EUR
View
B+
Retailer 21
-
$7,714 USD
ZAR 124,626 ZAR
View
Retailer 22
-
$8,709 USD
View
Price last confirmed 34 days ago
B
Retailer 23
-
$9,098 USD
View
Most Expensive
B
MOH London
F190AC915 · Nov 1
$9,251 USD
£7,284 GBP
View
23 more retailers have this diamond
Prices start from $4,822 USDSave up to $4,429 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
1.53ct Round
$4,822 USD