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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 $266 AUD
$187 USD
As of October 27, 2026
Save $1,940 AUD (88%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,206 AUD 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 27, 2026, with prices from $266 to $2,206, a $1,940 spread on the same certified stone. Do Amore Diamonds lists it at $2,206. 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 27
Current: $2,206 AUD|Low: $202 AUD|High: $2,793 AUD|Avg: $1,007 AUD|+14.0%
Do Amore Diamonds
Retailer 2
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Retailer 5
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Retailer 7
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Retailer 12
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Retailer 15
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Retailer 17
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Retailer 20
October 30, 2026
Retailer 20$266 AUD
Retailer 14$276 AUD
Retailer 4$285 AUD
Retailer 17$285 AUD
Retailer 18$394 AUD
Retailer 7$424 AUD
Retailer 8$562 AUD
Retailer 2$630 AUD
Retailer 3$740 AUD
Retailer 11$747 AUD
Retailer 9$912 AUD
Retailer 16$939 AUD
Retailer 5$966 AUD
Retailer 19$1,009 AUD
Retailer 6$1,204 AUD
Retailer 13$1,460 AUD
Retailer 15$1,475 AUD
Retailer 10$2,169 AUD
Do Amore Diamonds$2,206 AUD
Retailer 12$2,793 AUD

13 data points across 20 retailers

16 retailers$266 AUD to $2,206 AUD

A
Cheapest Retailer
-
$266 AUD
$187 USD
A
Retailer 2
-
$276 AUD
$194 USD
View
A
Retailer 3
-
$285 AUD
$200 USD
View
A
Retailer 4
-
$285 AUD
$200 USD
View
A
Retailer 5
-
$394 AUD
$277 USD
View
B+
Retailer 6
-
$424 AUD
$298 USD
View
B+
Retailer 7
-
$562 AUD
$395 USD
View
B+
Retailer 8
-
$630 AUD
£349 GBP
View
B+
Retailer 9
-
$740 AUD
$520 USD
View
B
Retailer 10
-
$939 AUD
$660 USD
View
B
Retailer 11
-
$966 AUD
$679 USD
View
B
Retailer 12
-
$1,009 AUD
$709 USD
View
B
Retailer 13
-
$1,204 AUD
$846 USD
View
B
Retailer 14
-
$1,460 AUD
$1,026 USD
View
B
Retailer 15
-
$1,475 AUD
£816 GBP
View
Most Expensive
B
Do Amore Diamonds
27-62661F2E0 · Oct 29
$2,206 AUD
$1,550 USD
View
15 more retailers have this diamond
Prices start from $266 AUDSave up to $1,940 AUD

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
$266 AUD