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Radiant|Lab Grown|IGI

1.17ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG735547542

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

Certificate IGI LG735547542

Diamond specifications and retailer prices

From HK$1,404 HKD
$179 USD
As of October 30, 2026
Save HK$12,090 HKD (90%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: HK$13,965 HKD at Brilliant Earth · As of September 28, 2026
View at Brilliant Earth

About this 1.17ct lab-grown radiant diamond

This 1.17ct 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 LG735547542 or 735547542. Listed at 22 retailers as of October 30, 2026, with a 861% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.17
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle27.4°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG735547542
Dimensions10.37 × 7.13 × 4.39 mm
L/W Ratio1.45
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
10.37 mm7.13 mm1.17 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG735547542
Side View
Table 67.0%Crown 27.4°Girdle: MED-STKPavilion 35°Culet: NoneDepth 64.3%

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 30
Current: HK$13,495 HKD|Low: HK$1,349 HKD|High: HK$13,965 HKD|Avg: HK$4,700 HKD|-3.4%
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
Retailer 20
November 1, 2026
Retailer 4HK$1,404 HKD
Retailer 17HK$1,561 HKD
Retailer 10HK$1,624 HKD
Retailer 5HK$1,742 HKD
Retailer 12HK$1,742 HKD
Retailer 15HK$2,949 HKD
Retailer 2HK$3,000 HKD
Retailer 7HK$3,083 HKD
Retailer 14HK$3,126 HKD
Retailer 9HK$3,672 HKD
Retailer 16HK$4,238 HKD
Retailer 19HK$4,347 HKD
Retailer 6HK$5,586 HKD
Retailer 8HK$5,618 HKD
Retailer 11HK$6,014 HKD
Retailer 3HK$6,201 HKD
Retailer 20HK$6,433 HKD
Retailer 13HK$8,131 HKD
Retailer 18HK$10,199 HKD
Brilliant EarthHK$13,495 HKD

39 data points across 20 retailers

22 retailersHK$1,404 HKD to HK$13,495 HKD

A
Cheapest Retailer
-
HK$1,404 HKD
$179 USD
A
Retailer 2
-
HK$1,561 HKD
$199 USD
View
Final sale: no returns
A
Retailer 3
-
HK$1,624 HKD
$207 USD
View
A
Retailer 4
-
HK$1,742 HKD
$222 USD
View
Retailer 5
-
HK$1,742 HKD
$222 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
HK$2,949 HKD
€358 EUR
View
A
Retailer 7
-
HK$3,000 HKD
ZAR 6,178 ZAR
View
A
Retailer 8
-
HK$3,083 HKD
$393 USD
View
A
Retailer 9
-
HK$3,126 HKD
£314 GBP
View
A
Retailer 10
-
HK$3,672 HKD
$468 USD
View
A
Retailer 11
-
HK$4,238 HKD
A$831 AUD
View
A
Retailer 12
-
HK$4,347 HKD
$554 USD
View
B+
Retailer 13
-
HK$5,586 HKD
$712 USD
View
B+
Retailer 14
-
HK$5,618 HKD
$716 USD
View
B+
Retailer 15
-
HK$6,014 HKD
$766 USD
View
B+
Retailer 16
-
HK$6,201 HKD
SGD 1,068 SGD
View
B+
Retailer 17
-
HK$6,433 HKD
$820 USD
View
B+
Retailer 18
-
HK$8,131 HKD
£816 GBP
View
Retailer 19
-
HK$10,199 HKD
$1,300 USD
View
Retailer 20
-
HK$10,356 HKD
$1,320 USD
View
Price last confirmed 38 days ago
B
Retailer 21
-
HK$13,495 HKD
$1,720 USD
View
Most Expensive
Brilliant Earth
16533170A · Sep 28
HK$13,965 HKD
$1,780 USD
View
Price last confirmed 33 days ago
21 more retailers have this diamond
Prices start from HK$1,404 HKDSave up to HK$12,090 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
1.17ct Radiant
HK$1,404 HKD