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Round|Natural|GIA

1.51ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 1543994919

Certificate GIA 1543994919

Diamond specifications and retailer prices

From $6,686 USD
Save $6,636 USD (50%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $13,322 USD at MOH London
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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1543994919. Listed at 15 retailers, with prices from $6,686 to $13,322 at MOH London, a $6,636 spread on the same certified stone. 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
E
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1543994919
Dimensions7.28 × 7.31 × 4.57 mm
L/W Ratio1.00
Culet sizeNone
Top View
7.28 mm7.31 mm1.51 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1543994919
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 1
Current: $13,322 USD|Low: $5,023 USD|High: $13,322 USD|Avg: $8,649 USD|+1.1%
MOH London
Retailer 2
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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
September 29, 2026
Retailer 11$5,023 USD
Retailer 14$6,664 USD
Retailer 18$6,686 USD
Retailer 16$7,627 USD
Retailer 7$7,647 USD
Retailer 9$7,781 USD
Retailer 20$7,892 USD
Retailer 6$8,124 USD
Retailer 12$8,310 USD
Retailer 4$8,380 USD
Retailer 8$8,984 USD
Retailer 2$9,234 USD
Retailer 21$9,315 USD
Retailer 13$9,324 USD
Retailer 3$9,361 USD
Retailer 5$9,416 USD
Retailer 19$10,223 USD
Retailer 15$10,266 USD
Retailer 10$10,939 USD
Retailer 17$12,124 USD
MOH London$13,322 USD

35 data points across 21 retailers

15 retailers$6,686 USD to $13,322 USD

A
Cheapest Retailer
-
$6,686 USD
A
Retailer 2
-
$7,647 USD
View
A
Retailer 3
-
$7,892 USD
View
B+
Retailer 4
-
$8,124 USD
View
B+
Retailer 5
-
$8,380 USD
View
B+
Retailer 6
-
$8,984 USD
View
B+
Retailer 7
-
$9,234 USD
A$14,207 AUD
View
B+
Retailer 8
-
$9,315 USD
View
B+
Retailer 9
-
$9,324 USD
£7,342 GBP
View
B+
Retailer 10
-
$9,361 USD
View
B+
Retailer 11
-
$9,416 USD
View
B+
Retailer 12
-
$10,223 USD
View
B+
Retailer 13
-
$10,266 USD
€9,777 EUR
View
B
Retailer 14
-
$12,124 USD
ZAR 195,862 ZAR
View
Most Expensive
B
MOH London
4AD520369 · Sep 28
$13,322 USD
£10,490 GBP
View
14 more retailers have this diamond
Prices start from $6,686 USDSave up to $6,636 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
$6,686 USD