Radiant|Lab Grown|IGI

1.09ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG696523180

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG696523180

Diamond specifications and retailer prices

From HK$1,655 HKD
$211 USD
As of October 30, 2026
Save HK$10,662 HKD (87%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: HK$12,318 HKD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.09ct lab-grown radiant diamond

This 1.09ct lab-grown radiant sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG696523180 or 696523180. Listed at 23 retailers as of October 30, 2026, with prices from HK$1,655 to HK$12,318, a HK$10,662 spread on the same certified stone. Brilliant Earth lists it at HK$12,318. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.7°
Pavilion angle36.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG696523180
Dimensions7.15 × 5.07 × 3.45 mm
L/W Ratio1.41
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.15 mm5.07 mm1.09 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG696523180
Side View
Table 66.0%Crown 43.7°Girdle: MED-STKPavilion 36.1°Culet: NoneDepth 68.0%

Caratlytics Score

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

Price History

Last verified: Oct 30
Current: HK$12,318 HKD|Low: HK$1,577 HKD|High: HK$14,201 HKD|Avg: HK$5,314 HKD|-11.3%
Brilliant Earth
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
November 2, 2026
Retailer 3HK$1,655 HKD
Retailer 15HK$1,844 HKD
Retailer 17HK$1,922 HKD
Retailer 6HK$2,048 HKD
Retailer 9HK$2,048 HKD
Retailer 7HK$3,538 HKD
Retailer 12HK$3,541 HKD
Retailer 2HK$3,790 HKD
Retailer 13HK$3,880 HKD
Retailer 5HK$3,923 HKD
Retailer 16HK$5,013 HKD
Retailer 4HK$6,590 HKD
Retailer 18HK$6,614 HKD
Retailer 10HK$7,011 HKD
Retailer 11HK$7,517 HKD
Retailer 14HK$8,260 HKD
Retailer 19HK$9,493 HKD
Retailer 8HK$9,636 HKD
Brilliant EarthHK$12,318 HKD

39 data points across 19 retailers

23 retailersHK$1,655 HKD to HK$12,318 HKD

A
Cheapest Retailer
-
HK$1,655 HKD
$211 USD
A
Retailer 2
-
HK$1,844 HKD
$235 USD
View
Final sale: no returns
A
Retailer 3
-
HK$1,922 HKD
$245 USD
View
Retailer 4
-
HK$2,048 HKD
$261 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
HK$2,048 HKD
$261 USD
View
A
Retailer 6
-
HK$3,538 HKD
$451 USD
View
A
Retailer 7
-
HK$3,541 HKD
ZAR 7,292 ZAR
View
A
Retailer 8
-
HK$3,790 HKD
£380 GBP
View
A
Retailer 9
-
HK$3,880 HKD
€471 EUR
View
A
Retailer 10
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HK$3,923 HKD
$500 USD
View
A
Retailer 11
-
HK$5,013 HKD
A$983 AUD
View
B+
Retailer 12
-
HK$5,045 HKD
$643 USD
View
B+
Retailer 13
-
HK$5,578 HKD
$711 USD
View
B+
Retailer 14
-
HK$6,590 HKD
$840 USD
View
Retailer 15
-
HK$6,614 HKD
$843 USD
View
Price last confirmed 13 days ago
B+
Retailer 16
-
HK$7,011 HKD
$894 USD
View
B+
Retailer 17
-
HK$7,359 HKD
$938 USD
View
Retailer 18
-
HK$7,517 HKD
A$1,474 AUD
View
Price last confirmed 24 days ago
B+
Retailer 19
-
HK$8,260 HKD
£829 GBP
View
Retailer 20
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HK$9,255 HKD
$1,180 USD
View
Price last confirmed 62 days ago
Retailer 21
-
HK$9,493 HKD
$1,210 USD
View
Price last confirmed 14 days ago
B
Retailer 22
-
HK$9,636 HKD
$1,228 USD
View
Most Expensive
B
Brilliant Earth
14716120A · Oct 31
HK$12,318 HKD
$1,570 USD
View
22 more retailers have this diamond
Prices start from HK$1,655 HKDSave up to HK$10,662 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 Radiant
HK$1,655 HKD