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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 HK$1,522 HKD
$194 USD
As of October 29, 2026
Save HK$10,639 HKD (87%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$12,161 HKD 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 HK$1,522 to HK$12,161, a HK$10,639 spread on the same certified stone. Do Amore Diamonds lists it at HK$12,161. 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: HK$12,161 HKD|Low: HK$1,114 HKD|High: HK$15,393 HKD|Avg: HK$5,553 HKD|+14.0%
Do Amore Diamonds
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
October 30, 2026
Retailer 15HK$1,522 HKD
Retailer 4HK$1,569 HKD
Retailer 18HK$1,569 HKD
Retailer 2HK$1,765 HKD
Retailer 19HK$2,173 HKD
Retailer 7HK$2,338 HKD
Retailer 8HK$3,099 HKD
Retailer 13HK$3,473 HKD
Retailer 3HK$4,080 HKD
Retailer 11HK$4,117 HKD
Retailer 9HK$5,025 HKD
Retailer 17HK$5,178 HKD
Retailer 5HK$5,327 HKD
Retailer 20HK$5,563 HKD
Retailer 6HK$6,637 HKD
Retailer 14HK$8,047 HKD
Retailer 16HK$8,131 HKD
Retailer 10HK$11,954 HKD
Do Amore DiamondsHK$12,161 HKD
Retailer 12HK$15,393 HKD

13 data points across 20 retailers

16 retailersHK$1,522 HKD to HK$12,161 HKD

A
Cheapest Retailer
-
HK$1,522 HKD
$194 USD
A
Retailer 2
-
HK$1,569 HKD
$200 USD
View
A
Retailer 3
-
HK$1,569 HKD
$200 USD
View
A
Retailer 4
-
HK$1,765 HKD
$225 USD
View
A
Retailer 5
-
HK$2,173 HKD
$277 USD
View
B+
Retailer 6
-
HK$2,338 HKD
$298 USD
View
B+
Retailer 7
-
HK$3,099 HKD
$395 USD
View
B+
Retailer 8
-
HK$3,473 HKD
£349 GBP
View
B+
Retailer 9
-
HK$4,080 HKD
$520 USD
View
B
Retailer 10
-
HK$5,178 HKD
$660 USD
View
B
Retailer 11
-
HK$5,327 HKD
$679 USD
View
B
Retailer 12
-
HK$5,563 HKD
$709 USD
View
B
Retailer 13
-
HK$6,637 HKD
$846 USD
View
B
Retailer 14
-
HK$8,047 HKD
$1,026 USD
View
B
Retailer 15
-
HK$8,131 HKD
£816 GBP
View
Most Expensive
B
Do Amore Diamonds
27-62661F2E0 · Oct 29
HK$12,161 HKD
$1,550 USD
View
15 more retailers have this diamond
Prices start from HK$1,522 HKDSave up to HK$10,639 HKD

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
HK$1,522 HKD