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1.77ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG589389041

Shape and cutting style on the report: Round brilliant

Certificate IGI LG589389041

Diamond specifications and retailer prices

From HK$1,640 HKD
$209 USD
As of October 29, 2026
Save HK$14,131 HKD (90%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$15,771 HKD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.77ct lab-grown round diamond

This 1.77ct 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 LG589389041 or 589389041. Listed at 10 retailers as of October 29, 2026, with prices from HK$1,640 to HK$15,771, a HK$14,131 spread on the same certified stone. Do Amore Diamonds lists it at HK$15,771. 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

1.77
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG589389041
Dimensions7.73 × 7.69 × 4.81 mm
L/W Ratio1.01
Girdle conditionFaceted
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
7.73 mm7.69 mm1.77 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG589389041
Side View
Table 56.0%Crown 34.9°Girdle: MediumPavilion 40.9°Culet: NoneDepth 62.3%

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 29
Current: HK$15,771 HKD|Low: HK$1,357 HKD|High: HK$16,163 HKD|Avg: HK$6,717 HKD|-2.4%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 8HK$1,640 HKD
Retailer 10HK$1,860 HKD
Retailer 6HK$1,907 HKD
Retailer 5HK$3,499 HKD
Retailer 7HK$6,166 HKD
Retailer 3HK$6,567 HKD
Retailer 4HK$7,226 HKD
Retailer 9HK$8,317 HKD
Retailer 2HK$9,058 HKD
Do Amore DiamondsHK$15,771 HKD

20 data points across 10 retailers

10 retailersHK$1,640 HKD to HK$15,771 HKD

A
Cheapest Retailer
-
HK$1,640 HKD
$209 USD
A
Retailer 2
-
HK$1,860 HKD
$237 USD
View
Final sale: no returns
A
Retailer 3
-
HK$1,907 HKD
$243 USD
View
B+
Retailer 4
-
HK$3,499 HKD
$446 USD
View
B+
Retailer 5
-
HK$6,166 HKD
$786 USD
View
Retailer 6
-
HK$6,567 HKD
$837 USD
View
Price last confirmed 7 days ago
B+
Retailer 7
-
HK$7,226 HKD
$921 USD
View
B
Retailer 8
-
HK$8,317 HKD
$1,060 USD
View
B
Retailer 9
-
HK$9,058 HKD
£909 GBP
View
Most Expensive
B
Do Amore Diamonds
27-67326A655 · Oct 29
HK$15,771 HKD
$2,010 USD
View
9 more retailers have this diamond
Prices start from HK$1,640 HKDSave up to HK$14,131 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
1.77ct Round
HK$1,640 HKD