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Round|Lab Grown|IGI

1.60ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG818687021

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818687021

Diamond specifications and retailer prices

From HK$1,663 HKD
$212 USD
As of November 1, 2026
Save HK$5,555 HKD (77%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$8,261 HKD at MOH London · As of October 26, 2026
View at MOH London

About this 1.6ct lab-grown round diamond

This 1.6ct 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 LG818687021 or 818687021. Listed at 16 retailers as of November 1, 2026, with a 334% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.60
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818687021
Dimensions7.48 × 7.53 × 4.59 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.48 mm7.53 mm1.60 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818687021
Side View
Table 59.0%Crown 35.1°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 61.2%

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 1
Current: HK$8,261 HKD|Low: HK$1,593 HKD|High: HK$8,350 HKD|Avg: HK$4,489 HKD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 3, 2026
Retailer 13HK$1,663 HKD
Retailer 15HK$1,922 HKD
Retailer 3HK$2,056 HKD
Retailer 4HK$2,056 HKD
Retailer 10HK$3,477 HKD
Retailer 16HK$3,539 HKD
Retailer 6HK$3,711 HKD
Retailer 2HK$3,765 HKD
Retailer 11HK$3,781 HKD
Retailer 7HK$4,088 HKD
Retailer 9HK$5,422 HKD
Retailer 12HK$6,120 HKD
Retailer 5HK$6,614 HKD
Retailer 8HK$7,034 HKD
Retailer 14HK$7,218 HKD
MOH LondonHK$8,261 HKD

32 data points across 16 retailers

16 retailersHK$1,663 HKD to HK$7,218 HKD

A
Cheapest Retailer
-
HK$1,663 HKD
$212 USD
A
Retailer 2
-
HK$1,922 HKD
$245 USD
View
A
Retailer 3
-
HK$2,056 HKD
$262 USD
View
Retailer 4
-
HK$2,056 HKD
$262 USD
View
Price last confirmed 9 days ago
A
Retailer 5
-
HK$3,477 HKD
€422 EUR
View
B+
Retailer 6
-
HK$3,539 HKD
$451 USD
View
A
Retailer 7
-
HK$3,711 HKD
$473 USD
View
A
Retailer 8
-
HK$3,765 HKD
£378 GBP
View
A
Retailer 9
-
HK$3,781 HKD
£379 GBP
View
A
Retailer 10
-
HK$4,088 HKD
$521 USD
View
B+
Retailer 11
-
HK$5,422 HKD
$691 USD
View
B+
Retailer 12
-
HK$6,120 HKD
$780 USD
View
B+
Retailer 13
-
HK$6,614 HKD
$843 USD
View
B
Retailer 14
-
HK$7,034 HKD
$897 USD
View
B
Retailer 15
-
HK$7,218 HKD
$920 USD
View
Most Expensive
MOH London
LG818687021 · Oct 26
HK$8,261 HKD
£829 GBP
View
Price last confirmed 7 days ago
15 more retailers have this diamond
Prices start from HK$1,663 HKDSave up to HK$5,555 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
1.60ct Round
HK$1,663 HKD