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Radiant|Lab Grown|IGI

1.69ct G SI1 Radiant Lab Grown Diamond

ID • G/SI1 • IGI LG618477171

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

Certificate IGI LG618477171

Diamond specifications and retailer prices

From HK$1,247 HKD
$159 USD
As of October 27, 2026
Save HK$10,756 HKD (90%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$12,004 HKD at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 1.69ct lab-grown radiant diamond

This 1.69ct lab-grown radiant sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG618477171 or 618477171. Listed at 10 retailers as of October 27, 2026, with prices from HK$1,247 to HK$12,004, a HK$10,756 spread on the same certified stone. Do Amore Diamonds lists it at HK$12,004. 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

1.69
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.7°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG618477171
Dimensions8.35 × 5.86 × 3.97 mm
L/W Ratio1.42
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.35 mm5.86 mm1.69 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG618477171
Side View
Table 65.0%Crown 43.7°Girdle: MED-STKPavilion 35.4°Culet: NoneDepth 67.7%

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: HK$12,004 HKD|Low: HK$1,247 HKD|High: HK$12,710 HKD|Avg: HK$5,652 HKD|-5.6%
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
October 29, 2026
Retailer 8HK$1,247 HKD
Retailer 6HK$1,451 HKD
Retailer 13HK$1,483 HKD
Retailer 10HK$2,817 HKD
Retailer 3HK$3,346 HKD
Retailer 4HK$4,912 HKD
Retailer 7HK$5,264 HKD
Retailer 9HK$5,508 HKD
Retailer 11HK$5,701 HKD
Retailer 5HK$7,452 HKD
Retailer 2HK$8,051 HKD
Retailer 12HK$8,473 HKD
Do Amore DiamondsHK$12,004 HKD

21 data points across 13 retailers

10 retailersHK$1,247 HKD to HK$12,004 HKD

A
Cheapest Retailer
-
HK$1,247 HKD
$159 USD
A
Retailer 2
-
HK$1,451 HKD
$185 USD
View
A
Retailer 3
-
HK$1,483 HKD
$189 USD
View
Final sale: no returns
B+
Retailer 4
-
HK$2,817 HKD
$359 USD
View
B+
Retailer 5
-
HK$5,264 HKD
$671 USD
View
B+
Retailer 6
-
HK$5,508 HKD
$702 USD
View
B+
Retailer 7
-
HK$5,701 HKD
$727 USD
View
B+
Retailer 8
-
HK$8,051 HKD
£808 GBP
View
B
Retailer 9
-
HK$8,473 HKD
$1,080 USD
View
Most Expensive
B
Do Amore Diamonds
27-F947BC3DD · Oct 30
HK$12,004 HKD
$1,530 USD
View
9 more retailers have this diamond
Prices start from HK$1,247 HKDSave up to HK$10,756 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
1.69ct Radiant
HK$1,247 HKD