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Round|Lab Grown|IGI

1.61ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG551274402

Shape and cutting style on the report: Round brilliant

Certificate IGI LG551274402

Diamond specifications and retailer prices

From HK$2,448 HKD
$312 USD
As of November 3, 2026
Save HK$16,932 HKD (87%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$19,380 HKD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 1.61ct lab-grown round diamond

This 1.61ct lab-grown round 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 LG551274402 or 551274402. Listed at 17 retailers as of November 2, 2026, with prices from HK$2,448 to HK$19,380, a HK$16,932 spread on the same certified stone. Do Amore Diamonds lists it at HK$19,380. 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

1.61
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG551274402
Dimensions7.47 × 7.43 × 4.66 mm
L/W Ratio1.01
Girdle conditionFaceted
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
7.47 mm7.43 mm1.61 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG551274402
Side View
Table 58.0%Crown 35.6°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.5%

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: Nov 3
Current: HK$5,308 HKD|Low: HK$1,930 HKD|High: HK$12,137 HKD|Avg: HK$5,273 HKD|+5.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 3, 2026
Retailer 9HK$2,448 HKD
Retailer 8HK$2,707 HKD
Retailer 2HK$3,029 HKD
Retailer 6HK$3,962 HKD
Retailer 7HK$4,480 HKD
Retailer 10HK$4,794 HKD
Retailer 1HK$5,308 HKD
Retailer 4HK$6,159 HKD
Retailer 5HK$8,325 HKD
Retailer 3HK$11,987 HKD

41 data points across 10 retailers

17 retailersHK$2,448 HKD to HK$19,380 HKD

Retailer 1
-
HK$2,095 HKD
$267 USD
Price last confirmed 32 days ago
Retailer 2
-
HK$2,189 HKD
$279 USD
View
Price last confirmed 41 days ago
A
Retailer 3
-
HK$2,448 HKD
$312 USD
View
Final sale: no returns
Retailer 4
-
HK$2,534 HKD
$323 USD
View
Price last confirmed 41 days ago
Retailer 5
-
HK$2,676 HKD
$341 USD
View
Price last confirmed 42 days ago
Retailer 6
-
HK$2,707 HKD
$345 USD
View
Price last confirmed 31 days ago
A
Retailer 7
-
HK$3,029 HKD
$386 USD
View
A
Retailer 8
-
HK$3,962 HKD
$505 USD
View
B+
Retailer 9
-
HK$4,480 HKD
$571 USD
View
B+
Retailer 10
-
HK$4,794 HKD
$611 USD
View
B+
Retailer 11
-
HK$5,308 HKD
£533 GBP
View
Retailer 12
-
HK$6,159 HKD
$785 USD
View
Price last confirmed 12 days ago
B
Retailer 13
-
HK$8,325 HKD
$1,061 USD
View
Retailer 14
-
HK$9,619 HKD
$1,226 USD
View
Price last confirmed 43 days ago
Retailer 15
-
HK$9,619 HKD
$1,226 USD
View
Price last confirmed 26 days ago
B
Retailer 16
-
HK$11,987 HKD
£1,203 GBP
View
Most Expensive
B
Do Amore Diamonds
27-ED0C343CA · Nov 2
HK$19,380 HKD
$2,470 USD
View
16 more retailers have this diamond
Prices start from HK$2,448 HKDSave up to HK$16,932 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
1.61ct Round
HK$2,448 HKD