Round|Lab Grown|IGI

1.00ct G SI1 Round Lab Grown Diamond

FR • G/SI1 • IGI LG811646377

Shape and cutting style on the report: Round brilliant

Certificate IGI LG811646377

Diamond specifications and retailer prices

From HK$1,177 HKD
$150 USD
As of November 1, 2026
Save HK$5,668 HKD (83%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$6,845 HKD at MOH London · As of October 26, 2026
View at MOH London

About this 1ct lab-grown round diamond

This 1ct lab-grown round sits in the classic one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG811646377 or 811646377. Listed at 10 retailers as of October 26, 2026, with prices from HK$1,177 to HK$6,845, a HK$5,668 spread on the same certified stone. MOH London lists it at HK$6,845. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.00
Carat
G
Colour
SI1
Clarity
Fair
Cut

Specifications

CutFair
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle34.4°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811646377
Dimensions6.43 × 6.36 × 3.76 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
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
6.43 mm6.36 mm1.00 ctG / SI1
OriginLab Grown
CutFair
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG811646377
Side View
Table 60.0%Crown 34.4°Girdle: STK-THKPavilion 38.5°Culet: NoneDepth 58.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: HK$6,845 HKD|Low: HK$1,130 HKD|High: HK$6,915 HKD|Avg: HK$3,383 HKD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 4HK$1,177 HKD
Retailer 8HK$1,365 HKD
Retailer 5HK$1,459 HKD
Retailer 6HK$2,683 HKD
Retailer 2HK$3,256 HKD
Retailer 7HK$3,962 HKD
Retailer 9HK$4,433 HKD
Retailer 3HK$4,966 HKD
MOH LondonHK$6,845 HKD

40 data points across 9 retailers

10 retailersHK$1,177 HKD to HK$6,845 HKD

B+
Cheapest Retailer
-
HK$1,177 HKD
$150 USD
B+
Retailer 2
-
HK$1,365 HKD
$174 USD
View
Retailer 3
-
HK$1,459 HKD
$186 USD
View
Price last confirmed 7 days ago
B+
Retailer 4
-
HK$1,459 HKD
$186 USD
View
B
Retailer 5
-
HK$2,683 HKD
$342 USD
View
B
Retailer 6
-
HK$3,256 HKD
£327 GBP
View
B
Retailer 7
-
HK$3,962 HKD
$505 USD
View
C
Retailer 8
-
HK$4,700 HKD
$599 USD
View
C
Retailer 9
-
HK$4,966 HKD
$633 USD
View
Most Expensive
C
MOH London
LG811646377 · Oct 26
HK$6,845 HKD
£687 GBP
View
9 more retailers have this diamond
Prices start from HK$1,177 HKDSave up to HK$5,668 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+
1.00ct Round
HK$1,177 HKD