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Radiant|Lab Grown|IGI

1.81ct F SI1 Radiant Lab Grown Diamond

ID • F/SI1 • IGI LG530293318

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

Certificate IGI LG530293318

Diamond specifications and retailer prices

From HK$12,946 HKD
$1,650 USD
As of November 2, 2026
Save HK$16,869 HKD (57%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$29,815 HKD at Friendly Diamonds · As of November 2, 2026
View at Friendly Diamonds

About this 1.81ct lab-grown radiant diamond

This 1.81ct lab-grown radiant sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG530293318 or 530293318. Listed at 12 retailers as of November 2, 2026, with prices from HK$12,946 to HK$29,815, a HK$16,869 spread on the same certified stone. Friendly Diamonds lists it at HK$29,815. 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

1.81
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle50.1°
Pavilion angle32.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG530293318
Dimensions7.95 × 6.00 × 4.17 mm
L/W Ratio1.32
Culet sizePointed
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
7.95 mm6.00 mm1.81 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG530293318
Side View
Table 66.0%Crown 50.1°Girdle: MediumPavilion 32.5°Culet: NoneDepth 69.5%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: HK$29,815 HKD|Low: HK$12,946 HKD|High: HK$52,473 HKD|Avg: HK$24,338 HKD
Friendly Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 5HK$12,946 HKD
Retailer 4HK$15,653 HKD
Retailer 8HK$17,520 HKD
Retailer 6HK$18,156 HKD
Retailer 9HK$19,458 HKD
Retailer 2HK$24,770 HKD
Retailer 7HK$28,419 HKD
Friendly DiamondsHK$29,815 HKD
Retailer 3HK$51,856 HKD

43 data points across 9 retailers

12 retailersHK$12,946 HKD to HK$29,815 HKD

B
Cheapest Retailer
-
HK$12,946 HKD
$1,650 USD
B
Retailer 2
-
HK$15,653 HKD
$1,995 USD
View
B
Retailer 3
-
HK$17,026 HKD
$2,170 USD
View
B
Retailer 4
-
HK$17,520 HKD
$2,233 USD
View
Final sale: no returns
B
Retailer 5
-
HK$18,156 HKD
$2,314 USD
View
Retailer 6
-
HK$18,156 HKD
$2,314 USD
View
Price last confirmed 22 days ago
B
Retailer 7
-
HK$19,458 HKD
$2,480 USD
View
B
Retailer 8
-
HK$24,770 HKD
£2,486 GBP
View
B
Retailer 9
-
HK$24,958 HKD
$3,181 USD
View
B
Retailer 10
-
HK$28,419 HKD
$3,622 USD
View
Most Expensive
B
Friendly Diamonds
1585640 · Nov 2
HK$29,815 HKD
$3,800 USD
View
10 more retailers have this diamond
Prices start from HK$12,946 HKDSave up to HK$16,869 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.

B
1.81ct Radiant
HK$12,946 HKD