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Round|Lab Grown|GIA

1.09ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • GIA 7501197437

Certificate GIA 7501197437

Diamond specifications and retailer prices

From €174 EUR
$194 USD
As of October 29, 2026
Save €1,214 EUR (87%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €1,387 EUR at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.09ct lab-grown round diamond

This 1.09ct lab-grown round sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7501197437. Listed at 16 retailers as of October 29, 2026, with prices from €174 to €1,387, a €1,214 spread on the same certified stone. Do Amore Diamonds lists it at €1,387. 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

1.09
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabGIA
CertificateGIA 7501197437
Dimensions6.64 × 6.62 × 4.07 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Culet sizeNone
Key to symbols
Growth Remnant
Top View
6.64 mm6.62 mm1.09 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7501197437
Side View
Table 57.0%Crown 34.5°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.3%

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: Oct 29
Current: €1,387 EUR|Low: €127 EUR|High: €1,756 EUR|Avg: €634 EUR|+14.0%
Do Amore Diamonds
Retailer 2
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Retailer 12
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Retailer 20
October 31, 2026
Retailer 19€174 EUR
Retailer 4€179 EUR
Retailer 5€179 EUR
Retailer 16€201 EUR
Retailer 15€255 EUR
Retailer 7€267 EUR
Retailer 8€354 EUR
Retailer 17€396 EUR
Retailer 11€470 EUR
Retailer 14€498 EUR
Retailer 9€573 EUR
Retailer 3€591 EUR
Retailer 13€695 EUR
Retailer 6€757 EUR
Retailer 2€764 EUR
Retailer 18€918 EUR
Retailer 20€928 EUR
Retailer 10€1,364 EUR
Do Amore Diamonds€1,387 EUR
Retailer 12€1,756 EUR

14 data points across 20 retailers

16 retailers€174 EUR to €1,387 EUR

A
Cheapest Retailer
-
€174 EUR
$194 USD
A
Retailer 2
-
€179 EUR
$200 USD
View
A
Retailer 3
-
€179 EUR
$200 USD
View
A
Retailer 4
-
€201 EUR
$225 USD
View
A
Retailer 5
-
€255 EUR
$285 USD
View
B+
Retailer 6
-
€267 EUR
$298 USD
View
B+
Retailer 7
-
€354 EUR
$395 USD
View
B+
Retailer 8
-
€396 EUR
£349 GBP
View
B+
Retailer 9
-
€498 EUR
$556 USD
View
B
Retailer 10
-
€591 EUR
$660 USD
View
B
Retailer 11
-
€695 EUR
$776 USD
View
B
Retailer 12
-
€757 EUR
$846 USD
View
B
Retailer 13
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€764 EUR
$853 USD
View
B
Retailer 14
-
€918 EUR
$1,026 USD
View
B
Retailer 15
-
€928 EUR
£816 GBP
View
Most Expensive
B
Do Amore Diamonds
27-62661F2E0 · Oct 29
€1,387 EUR
$1,550 USD
View
15 more retailers have this diamond
Prices start from €174 EURSave up to €1,214 EUR

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
1.09ct Round
€174 EUR