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1.77ct I SI2 Round Lab Grown Diamond

EX • I/SI2 • IGI LG414059840

Shape and cutting style on the report: Round brilliant

Certificate IGI LG414059840

Diamond specifications and retailer prices

From HK$7,767 HKD
$990 USD
As of October 30, 2026
Save HK$29,957 HKD (79%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$37,724 HKD at MOH London · As of October 29, 2026
View at MOH London

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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG414059840 or 414059840. Listed at 10 retailers as of October 29, 2026, with prices from HK$7,767 to HK$37,724, a HK$29,957 spread on the same certified stone. MOH London lists it at HK$37,724. 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
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.8°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG414059840
Dimensions7.95 × 7.93 × 4.63 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory grown diamond was created by chemical vapor deposition process (CVD) Type IIa
Top View
7.95 mm7.93 mm1.77 ctI / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG414059840
Side View
Table 59.0%Crown 31.8°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 58.3%

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$37,724 HKD|Low: HK$7,767 HKD|High: HK$38,023 HKD|Avg: HK$18,745 HKD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 2HK$7,767 HKD
Retailer 5HK$11,329 HKD
Retailer 8HK$12,326 HKD
Retailer 10HK$12,679 HKD
Retailer 6HK$13,142 HKD
Retailer 3HK$14,475 HKD
Retailer 12HK$17,943 HKD
Retailer 7HK$20,728 HKD
Retailer 11HK$23,843 HKD
Retailer 9HK$24,628 HKD
Retailer 4HK$29,410 HKD
MOH LondonHK$37,724 HKD

15 data points across 12 retailers

10 retailersHK$7,767 HKD to HK$37,724 HKD

A
Cheapest Retailer
-
HK$7,767 HKD
$990 USD
B+
Retailer 2
-
HK$11,329 HKD
$1,444 USD
View
B+
Retailer 3
-
HK$12,326 HKD
$1,571 USD
View
B+
Retailer 4
-
HK$12,679 HKD
$1,616 USD
View
Final sale: no returns
B+
Retailer 5
-
HK$13,142 HKD
$1,675 USD
View
Retailer 6
-
HK$13,142 HKD
$1,675 USD
View
Price last confirmed 18 days ago
B
Retailer 7
-
HK$20,728 HKD
$2,642 USD
View
B
Retailer 8
-
HK$23,843 HKD
$3,039 USD
View
B
Retailer 9
-
HK$24,628 HKD
$3,139 USD
View
Most Expensive
B
MOH London
LG414059840 · Oct 29
HK$37,724 HKD
£3,786 GBP
View
9 more retailers have this diamond
Prices start from HK$7,767 HKDSave up to HK$29,957 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$7,767 HKD