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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 $239 SGD
$187 USD
As of October 27, 2026
Save $1,742 SGD (88%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,982 SGD 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 $239 to $1,982, a $1,742 spread on the same certified stone. Do Amore Diamonds lists it at $1,982. 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: $1,982 SGD|Low: $182 SGD|High: $2,508 SGD|Avg: $905 SGD|+14.0%
Do Amore Diamonds
Retailer 2
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Retailer 12
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Retailer 20
October 30, 2026
Retailer 20$239 SGD
Retailer 14$248 SGD
Retailer 4$256 SGD
Retailer 17$256 SGD
Retailer 18$354 SGD
Retailer 7$381 SGD
Retailer 8$505 SGD
Retailer 2$566 SGD
Retailer 3$665 SGD
Retailer 11$671 SGD
Retailer 9$819 SGD
Retailer 16$844 SGD
Retailer 5$868 SGD
Retailer 19$906 SGD
Retailer 6$1,082 SGD
Retailer 13$1,311 SGD
Retailer 15$1,325 SGD
Retailer 10$1,948 SGD
Do Amore Diamonds$1,982 SGD
Retailer 12$2,508 SGD

13 data points across 20 retailers

16 retailers$239 SGD to $1,982 SGD

A
Cheapest Retailer
-
$239 SGD
$187 USD
A
Retailer 2
-
$248 SGD
$194 USD
View
A
Retailer 3
-
$256 SGD
$200 USD
View
A
Retailer 4
-
$256 SGD
$200 USD
View
A
Retailer 5
-
$354 SGD
$277 USD
View
B+
Retailer 6
-
$381 SGD
$298 USD
View
B+
Retailer 7
-
$505 SGD
$395 USD
View
B+
Retailer 8
-
$566 SGD
£349 GBP
View
B+
Retailer 9
-
$665 SGD
$520 USD
View
B
Retailer 10
-
$844 SGD
$660 USD
View
B
Retailer 11
-
$868 SGD
$679 USD
View
B
Retailer 12
-
$906 SGD
$709 USD
View
B
Retailer 13
-
$1,082 SGD
$846 USD
View
B
Retailer 14
-
$1,311 SGD
$1,026 USD
View
B
Retailer 15
-
$1,325 SGD
£816 GBP
View
Most Expensive
B
Do Amore Diamonds
27-62661F2E0 · Oct 29
$1,982 SGD
$1,550 USD
View
15 more retailers have this diamond
Prices start from $239 SGDSave up to $1,742 SGD

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
$239 SGD